Showing posts with label Oracle Golden Gate (OGG). Show all posts
Showing posts with label Oracle Golden Gate (OGG). Show all posts

January 4, 2023

Top 50 real-time Oracle GoldenGate (OGG) Interview Questions And answers 2023

OGG (Oracle Golden Gate) Interview Questions for experienced Part2

26. Why is Supplemental logging required for Replication in Golden Gate? is it mandatory?
Answer:
The process of adding these additional columns into redo log files is called supplemental logging.
Supplemental logging makes sure that enough information is captured, into the redo log file, during the update that can be used by any method based on log miner technology.
Supplemental logging can be enabled at the table level or at the Database level.

27. Does DDLs are supported by OGG ?
Answer:

28. List the minimum parameters that can be used to create the OGG extract process?
Answer:

29. What parameters can be used to configure Oracle GoldenGate to extract data from Archived Redo log files only?
Answer:

30. What type of Encryption is supported in OGG?
Answer:

31. What were some of the new features of GoldenGate (OGG) 19c/21c?
Answer:

32. What is a Credential Store in OGG 12c? How to configure Credential Store in OGG 12c?
Answer:

33. How do the Replicat works in a Coordinated Mode?
Answer:

34. What is the advantage of the collector process (in classic architecture)?
Answer:

35. List a few parameters which you used to improve the OGG replicat process performance?
Answer:

36. How do you see the contents of trail files ?
Answer:

37. What is the use of the DEFGEN utility?
Answer:

38. What is the best practice to delete old extract files in OGG?
Answer:

39. Is SCN and CSN are same ?
Answer:
Yes, they are the same

40. What is the difference between classic architecture and MA (Microservices Architecture) of OGG ?
Answer:

41. What is Oracle GoldenGate Microservice Architecture (MA)  (OGG 12c Release 3 onwards)?
Answer:

42. What is Admin client (after Golden Gate 12.3) ?
Answer:

43. What is OGG Service Manager (from 12c Release 3)?
Answer:

44. How to find out the overhead of Supplemental logging ?
Answer:

45. What is the difference between Supplemental logging of Min/UI/PK/FK/ALL ?
Answer:
At the least, minimal database-level supplemental logging must be enabled for any Change Data Capture source database.

46. Why is force logging required for Replication in OGG? is it mandatory?
Answer:

47. How to do a bidirectional Golden Gate setup ?
Answer:

48. How you will check whether replication is bidirectional (active-active setup) or not?
Answer:

49. 

50.

Related Oracle Interview Articles: Oracle GoldenGate (OGG) Interview Questions/FAQs Part1


February 10, 2022

50 Top OGG (Oracle GoldenGate) Interview Questions

Oracle Golden Gate (OGG) Interview Questions/answers Part 1


1. What is GoldenGate and how to set up Golden Gate?

Answer:

2. What are the processes/components in OGG (Oracle Golden Gate)?

Answer:
Manager, Extract, Replicat, Data Pump

3. What is the use of (Data) Pump process in Golden Gate (GG)?
Answer:

4. What is the command-line utility in Oracle GoldenGate (or) what is ggsci?

Answer:

5. What is the default port for Golden Gate Manager process?

Answer:
7809

6. What are the important files of Oracle Golden Gate (OGG)?

Answer:
GLOBALS, ggserr.log, dirprm, etc ...

7. What is a checkpoint table?

Answer:

8. How can you see Golden Gate errors?

Answer:
ggsci> VIEW GGSEVT
ggserr.log file

9. What is the difference between classical extract and integrated extract?

Answer:
Classic Capture/extract:      (deprecated in OGG 21c)
* The Classic Capture mode is the traditional Extract process that accesses the database redo logs (optionally archive logs) to capture the DML changes occurring on the objects specified in the parameter files.
* At the OS level, the GoldenGate user must be a part of the same database group which owns the database redo logs.
* This capture mode is available for other RDBMS as well.
* There are some data types that are not supported in Classic Capture mode.
* Classic capture can’t read data from the compressed tables/tablespaces.

Integrated Capture (IC)/Extract:
* In the Integrated Capture/Extract mode, GoldenGate works directly with the database log mining server to receive the data changes in the form of logical change records (LCRs).
* IC mode does not require any special setup for the databases using ASM, transparent data encryption, or Oracle RAC.
* This feature is only available for oracle databases in Version 11.2.0.3 or higher.
*  It also supports various object types which were previously not supported by Classic Capture.
* This Capture mode supports extracting data from source databases using compression.
* Integrated Capture can be configured in an online or downstream mode.

10. What is the difference between classical replicat and integrated replicat?
Answer:

11. What is the difference between classical replicat and coordinated replicat?
Answer:

12. What is the use assumetargetdefs in replicat parameter file?
Answer:
Use the ASSUMETARGETDEFS parameter when the source and target objects specified in a MAP statement have identical column structure, such as when synchronizing a hot site. It directs Oracle GoldenGate to assume that the data definitions of the source and target objects are identical, and to refer to the target definitions when metadata is needed for the source data.

13. Can you configure multiple extracts to write to the same exttrail file?
Answer:
Only one Extract process can write to one exttrail at a time. So you can’t configure multiple extracts to write to the same exttrail.

14. What is the use of PASSTHRU and NOPASSTHRU parameters ?
Answer:
parameter passthru indicates the source and target database tables structure are identical. In pass-through mode (configured by PASSTHRU), the Extract process does not lookup table definitions from the database or from a data-definitions file. To use pass-through mode, the source and target table names and structures must be identical.

15. What is a Handle collision in OGG?
Answer:
The Golden Gate HANDLECOLLISIONS parameter is configured on the target database in the Replicat process to enable processing of the data when there are duplicate data integrity issues in the destination database.
Use the HANDLECOLLISIONS and NOHANDLECOLLISIONS parameters to control whether or not Replicat tries to resolve duplicate-record and missing-record errors when applying SQL on the target.

16. List important considerations for bi-directional (active-active setup) replication?
Answer:
The customer should consider the following points in an active-active replication environment.
* Primary Key: Helps to identify conflicts and resolve them.
* Sequences: Are not supported. The workaround is used to use odd/even, range or concatenate sequences.
* Triggers: These should be disabled or suppressed to avoid using uniqueness issue
* Data Looping: This can easily be avoided using OGG itself
* LAG: This should be minimized. If a customer says that there will not be any LAG due to network or huge load, then we don’t need to deploy CDR. But this is not the case always as there would be some LAG and these can cause Conflicts.
* CDR (Conflict Detection & Resolution): OGG has built-in CDRs for all kinds of DMLs that can be used to detect and resolve them.
* Packaged Application: These are not supported as they may contain data types that are not supported by OGG or it might not allow the application modification to work with OGG.

17. What is the difference between Discard and Ignore (in RESOLVECONFLICT) ?
Answer:

18. How you will check whether replicat is classical replicat or coordinated replicat or integrated replicat?
Answer:

19. How to find out the RBA of a Golden Gate (OGG) process ? [or] Which command will you use to find out the RBA of extract/replicat ?
Answer:

20. What is the heartbeat table in OGG ? Who will insert data into the heartbeat table ?
Answer:

21. How to check whether the table is in OGG replication or not ?
Answer:

22. What is trace table? What is the use of trace table?
Answer:

23. What is the use of initial load ?
Answer:

24. 
What are the different OGG Initial load methods available?
Answer:

25. 
Answer:



Related Oracle Articles: Oracle DBA Interview Questions/FAQs – Part3   Oracle Performance related interview Questions/FAQs

October 28, 2021

OGG Admin client utility

Oracle GoldenGate command-line utility - adminclient commands


Admin Client is a new command line utility, similar to GGSCI, which is used with Oracle GoldenGate Microservices Architecture(MA).

AdminClient was released in Oracle GoldenGate 12c Release 3 (12.3.0.0.1).

It uses the REST API published by the MA Servers to accomplish control and configuration tasks in Oracle GoldenGate (OGG) deployments.

Differences between GGSCI tool and admin client CLI:

      Task      GGSCI Admin Client
Management Local deployments only All MA deployments
Transfer data using(Data) Pump Distribution Server
Access to server SSH or local consoleBrowser (HTTP or HTTPS)
Security System security MA security
Connected By defaultRequires separate CONNECT command
Connection to DBMS Required NOT required
Login to database using USERID+PASSWORD (or) USERIDALIAS USERIDALIAS
Sequence of extract commands REGISTER EXTRACT before ADD EXTRACT REGISTER EXTRACT after ADD EXTRACT
CommunicationsUnsecuredSecured (with SSL)

$OGG_HOME/bin/adminclient

adminclient> ADD AUTHORIZATIONPROFILE
adminclient> ADD CREDENTIALS
adminclient> ADD DISTPATH
adminclient> ADD ENCRYPTIONPROFILE
adminclient> ADD PROFILE
adminclient> ADD RECVPATH

adminclient> ALTER AUTHORIZATIONPROFILE
adminclient> ALTER DISTPATH
adminclient> ALTER ENCRYPTIONPROFILE
adminclient> ALTER RECVPATH

adminclient> CD

adminclient> CLEAR INSTANTIATION CSN

adminclient> CONNECT
adminclient> connect http://<host>:<port> deployment <deployment-name> as <deployment username>, password <password>
adminclient> connect https://localhost:9000 as admin password adminpw
adminclient> connect https://ogg19c.localdomain:7820 deployment D1 as admin password adminpw
adminclient> connect https://localhost:9000 deployment ogg_dep as admin !
adminclient> connect https://ogg21c.localdomain:7820 deployment Target
 
adminclient> DBLOGIN USERIDALIAS
adminclient> dblogin useridalias <alias> domain <domain>
adminclient> dblogin useridalias SOURCEPDB

adminclient> DELETE AUTHORIZATIONPROFILE
adminclient> DELETE CREDENTIALS
adminclient> DELETE DISTPATH
adminclient> DELETE ENCRYPTIONPROFILE
adminclient> DELETE PROFILE
adminclient> DELETE RECVPATH

adminclient> DISABLE SERVICE
adminclient> DISCONNECT

adminclient> EDIT ENCKEYS
adminclient> EDIT GLOBALS
adminclient> ENABLE SERVICE

adminclient> INFO AUTHORIZATIONPROFILE
adminclient> INFO CREDENTIALS
adminclient> INFO DISTPATH
adminclient> INFO ENCRYPTIONPROFILE
adminclient> INFO PROFILE
adminclient> INFO RECVPATH

adminclient> HEALTH DEPLOYMENT
adminclient> NOALLOWNESTED
adminclient> PURGE EXTTRAIL

adminclient> RESTART DEPLOYMENT
adminclient> RESTART ER
adminclient> RESTART EXTRACT
adminclient> RESTART REPLICAT
adminclient> RESTART SERVICE

adminclient> SET COLOR
adminclient> SET COLOR on/off

adminclient> SET DEBUG
adminclient> SET DEBUG on/off

adminclient> SET INSTANTIATION CSN

adminclient> SET PAGER
adminclient> SET PAGER more

adminclient> SET VERBOSE
adminclient> SET VERBOSE on/off

adminclient> show

adminclient> START DEPLOYMENT
adminclient> START DISTPATH
adminclient> START RECVPATH
adminclient> START SERVICE

adminclient> STATUS DEPLOYMENT
adminclient> STATS DISTPATH
adminclient> STATS RECVPATH
adminclient> STATUS SERVICE

adminclient> STOP DEPLOYMENT
adminclient> STOP DISTPATH
adminclient> STOP RECVPATH
adminclient> STOP SERVICE

adminclient> VALIDATE AUTHORIZATIONPROFILE

adminclient> VIEW DISCARD
adminclient> VIEW GLOBALS
adminclient> VIEW MESSAGES

April 14, 2021

Golden Gate (OGG) Log Dump Utility Commands

Oracle GoldenGate LogDump Utility Commands (21c)

Can we see data in OGG trail files? What is OGG logdump utility?

We can not open Oracle Golden Gate trail files directly and check the data.

logdump utility, in OGG (Oracle GoldenGate) 11g onwards, used to view data from trail files.


With the help of the logdump tool, we can open trail files, read their content, navigate through files, and view transactions at different RBA’s.

logdump > help

FC [num | string]            - Edit previous command
HISTORY                        - List previous commands
OPEN | FROM  filename   - Open a Log file
RECORD | REC               - Display audit record
NEXT [ count ]               - Display next data record
SKIP [ count ] [FILTER]  - Skip down count records
     FILTER                     - Apply filter during skip
COUNT                          - Count the records in the file
      [START[time] timestr,]
      [END[time] timestr,]
      [INT[erval] minutes,]
      [LOG[trail] wildcard-template,]
      [FILE wildcard-template,]
      [DETAIL ]
       timestr format is [[yy]yy-mm-dd] [hh[:mm][:ss]]
POSITION [ rba | FIRST | LAST | EOF ] - Set position in file
         REVerse | FORward                    - Set read direction
RECLEN [ size ]        - Sets max output length
EXIT | QUIT             - Exit the program
FILES | FI | DIR       - Display filenames
ENV                        - Show current settings
VOLUME | VOL | V    - Change default volume
DEBUG                    - Enter the debugger
GHDR  ON | OFF      - Toggle GHDR display
DETAIL ON | OFF | DATA      - Toggle detailed data display
DECRYPT OFF | ON [KEYNAME key_name]  [PROFILE profile_name]  - Decrypt data encrypted with GoldenGate trail encryption.
RECLEN nnn                - Set data display length
SCANFORHEADER (SFH)  [PREV]        - Search for the start of a header
SCANFORTYPE   (SFT)         - Find the next record of TYPE
      typename | typenumber
      [,filename-template]
SCANFORRBA    (SFR)         - Find the next record with SYSKEY
      syskey                         - syskey = -1 scans for next record
      ,filename-template
SCANFORTIME  (SFTS)       - Find the next record with timestamp
      date-time string
      [,filename-template]
         date-time string format is [[yy]yy-mm-dd] [hh[:mm][:ss]]
SCANFORENDTRANS  (SFET)    - Find the end of the current transaction
SCANFORNEXTTRANS (SFNT)   - Find start of the next transaction
SCANFORMETADATA  (SFMD)   - Find a metadata record
      [DDR] | [TDR]
      [NEXT] | [Index]
SHOW option       - Display internal information
      [OPEN]         - list open files
      [TIME]          - print current time in various formats
      [ENV]           - show current environment
      [RECTYPE]    - show list of record types
      [FILTER]       - show active filter items
BIO  option         - Set LargeBlock I/O info
      [ON]            - Enable LargeBlock I/O (default)
      [OFF]           - Disable LargeBlock I/O
      [BLOCK nnnn]   - Set LargeBlock I/O size
TIMEOFFSET option  - Set the time offset from GMT
      [LOCAL]            - Use local time
      [GMT]               - Use GMT time
      [GMT +/- hh[:mm]]  - Offset +/- from GMT
FILTER SHOW
FILTER ENABLE | ON           - Enable filtering
FILTER DISABLE | OFF        - Disable filtering
FILTER CLEAR [ filterid | ALL ]
FILTER MATCH  ANY | ALL
FILTER [INClude | EXCLude] filter options
   filter options are
       RECTYPE  type number | type name
       STRING [BOTH] /text/ [column range]
       HEX      hex string  [column range]
       TRANSID  TMF transaction identifier
       FILENAME filename template
       PROCESS  processname template
       INT16    16-bit integer
       INT32    32-bit integer
       INT64    64-bit integer
       STARTTIME date-time string
       ENDTIME   date-time string
       SYSKEY   [comparison] 32/64-bit syskey
       SYSKEYLEN [comparison] [value]
       TRANSIND [comparison] nn
       UNDOFLAG [comparison] nn
       RECLEN   [comparison] nn
       AUDITRBA [comparison] nnnnnnnn
       ANSINAME ansi table name
       GGSTOKEN tokenname [comparison] [tokenvalue]
       USERTOKEN tokenname [comparison] [tokenvalue]
       CSN | LogCSN [comparison] [value]
   column range start column:end column, ie  0:231
   comparison =, ==, !=, , , , =, =  EQ, GT, LE, GE, LE, NE
X program [string]          - Execute program
TRANSHIST nnnn            - Set size of transaction history
TRANSRECLIMIT nnnn     - Set low record count threshold
TRANSBYTELIMIT nnnn    - Set low byte count threshold
LOG {STOP} | { [TO] filename }    - Write a session log
BEGIN date-time        - Set next read position using a timestamp
SAVEFILECOMMENT on | OFF      - Toggle comment records in a savefile
SAVE savefilename [!] options    - Write data to a savefile
   options are
   nnn RECORDS | nnn BYTES
   [NOCOMMENT]  - Suppress the Comment header/trailer recs, Default
   [COMMENT]    - Insert Comment header/trailer recs
   [TRUNCATE ]  - purgedata an existing savefile
   [EXT ( pri, sec [,max])] - Savefile Extent sizes on NSK
   [MEGabytes nnnn]             - For extent size calculation
   [TRANSIND nnn]               - Set the transind field
   [COMMITTS nnn]               - Set the committs field
USERTOKEN     on  | OFF | detail  - Show user token info
HEADERTOKEN   on  | OFF | detail  - Show header token info
GGSTOKEN      on  | OFF | detail  - Show GGS token info
FILEHEADER    on  | OFF | detail  - Display file header contents
ASCIIHEADER   ON  | off           - Toggle header charset
EBCDICHEADER  on  | OFF           - Toggle header charset
ASCIIDATA     ON  | on            - Toggle user data charset
EBCDICDATA    on  | OFF           - Toggle user data charset
ASCIIDUMP     ON  | off           - Toggle charset for hex/ascii display
EBCDICDUMP    on  | OFF           - Toggle charset for hex/ascii display
PRINTMXCOLUMNINFO  on | OFF       - Toggle SQL/MX columninfo display
TMFBEFOREIMAGE     on | OFF       - Toggle display of TMF before images
FLOAT  value                    - Interpret a floating point number
       [FORMAT specifier]       - sprintf format default %f


Logdump commands in OGG 21c/19c

./logdump
logdump > env     -- to display current OGG LOGDUMP environment (similar to env command in Linux flavours)

logdump > open filename
logdump > open /ogg/ogg_18_9_15_0_7/srcdir/9p030418
logdump > OPEN ./dirdat/EE000001

logdump > FILEHEADER [on | off | detail]
logdump > FILEHEADER ON
logdump > FILEHEADER OFF
logdump > FILEHEADER DETAIL

logdump > GHDR [on | off]   -- get header, to view record header
logdump > ghdr ON
logdump > ghdr OFF


logdump > HEADERTOKEN {ON | OFF | DETAIL}

logdump > DETAIL [on | off | data]   -- to include column information in Hex and ASCII
logdump > detail on
logdump > detail off
logdump > detail data

logdump > USERTOKEN [detail]   -- to display custom user defined information
logdump > USERTOKEN DETAIL

logdump > GGSTOKEN ON  -- OGG generated tokens. These tokens contain the Transaction ID, Row ID
logdump > GGSTOKEN ON

logdump > RECLEN [<# of bytes>]
logdump > RECLEN 256

logdump > pos RBA        -- to go to specific RBA in a OGG trail file
logdump > pos xxxx
logdump > pos first
logdump > pos 0
logdump > pos last
logdump > pos eof
logdump > pos forward  (or) pos for
logdump > pos reverse  (or) pos rev

logdump > n (or) next               -- will fetch next record in trail file
logdump > nexttrail       -- will close current trail file and open next trail file
logdump > skip [count]
logdump > skip 5

logdump > history

logdump > SFH                 -- scan file header, to find next healthy record
logdump > SCANFORHEADER
logdump > SFET -- Scan for end of the transaction
logdump > SCANFORENDOFTRANSACTION
logdump > SCANFORENDTRANS
logdump > SCANFORENDTR
logdump > SCANFORRBA 321 /home/ogg/dirdat/rt000000
logdump > SCANFORTIME 2018-02-18 13:23:25
logdump > SCANFORTYPE Commit
logdump > SFT 2

logdump > record

logdump > count [detail]    -- to display count summary
logdump > count
logdump > count detail
logdump > COUNT START 2018-04-09 12:00:00 , END 2018-04-11 12:00:00
logdump > COUNT INTERVAL 4
logdump > COUNT LOG ls* 

logdump > filter enable
logdump > filter disable
logdump > filter include iotype insert
logdump > filter include iotype 160
logdump > FILTER INCLUDE FILENAME APP.DETAIL
logdump > FILTER INCLUDE FILENAME [SCHEMA].[TABLE]; FILTER RECTYPE 5; FILTER INCLUDE IOTYPE INSERT
logdump > filter show
logdump > FILTER CLEAR

logdump > SHOW RECTYPE
logdump > SHOW OPEN
logdump > SHOW FILTER
logdump > clear

logdump > TRANSHIST 200
logdump > TRANSRECLIMIT 50

logdump > SAVE [file] [n] RECORDS
logdump > SAVE /home/ogg/dirdat/rt000001 10 records nocomment

logdump > LOG TO filename.txt      -- similar to spool command in SQL*Plus
logdump > LOG STOP

logdump > WRITELOG "text"     -- similar to spool command in SQL*Plus

logdump > ENCRYPT 123456789

logdump > DECRYPT OFF | ON [KEYNAME key_name] [PROFILE profile_name] - Decrypt data encrypted with GoldenGate trail encryption.
logdump > DECRYPT ON
logdump > DECRYPT OFF

logdump > DUMP 300

logdump > quit
logdump > exit


Related Oracle Articles:  
ggsci - Oracle GoldenGate (OGG)   Oracle Golden Gate (OGG) Interview Questions and answers


February 6, 2021

ggsci Oracle GoldenGate (OGG) Command Interpreter

GGSCI   -- (Oracle) GoldenGate Software Command Interpreter (19c/21c)

OGG files

Reports (.rpt)                       /u02/goldengate/ogg/dirrpt
Parameters (.prm)                /u02/goldengate/ogg/dirprm
Replicat Checkpoints (.cpr)    /u02/goldengate/ogg/dirchk
Extract Checkpoints (.cpe)    /u02/goldengate/ogg/dirchk
Process Status (.pcs)            /u02/goldengate/ogg/dirpcs
SQL Scripts (.sql)                 /u02/goldengate/ogg/dirsql
Database Definitions (.def)   /u02/goldengate/ogg/dirdef
Dump files (.dmp)                /u02/goldengate/ogg/dirdmp
Masterkey wallet files (.wlt)  /u02/goldengate/ogg/dirwlt
Credential store files (.crd)   /u02/goldengate/ogg/dircrd
                                         /u02/goldengate/ogg/dirdat

How to Invoke OGG command line interface?
C:\GG> ggsci.exe    (in Windows)
[oracle@prod gg]$ ./ggsci

Commands
ggsci > HELP [command] [object]
ggsci > help

GGSCI/OGG  Command Summary:

Object:          Command:
SUBDIRS          CREATE
DATASTORE      ALTER, CREATE, DELETE, INFO, REPAIR
ER                    INFO, KILL, LAG, SEND, STATUS, START, STATS, STOP
EXTRACT          ADD, ALTER, CLEANUP, DELETE, INFO, KILL,
                       LAG, REGISTER, SEND, START, STATS, STATUS, STOP, UNREGISTER
EXTTRAIL         ADD, ALTER, DELETE, INFO
GGSEVT           VIEW
JAGENT            INFO, START, STATUS, STOP
MANAGER         INFO, SEND, START, STOP, STATUS
MARKER           INFO
PARAMETERS    EDIT, VIEW, SET EDITOR, INFO, GETPARAMINFO
REPLICAT         ADD, ALTER, CLEANUP, DELETE, INFO, KILL, LAG, REGISTER, SEND,
                       START, STATS, STATUS, STOP, SYNCHRONIZE, UNREGISTER
REPORT                  VIEW
RMTTRAIL               ADD, ALTER, DELETE, INFO
TRACETABLE           ADD, DELETE, INFO
TRANDATA               ADD, DELETE, INFO
SCHEMATRANDATA   ADD, DELETE, INFO
CHECKPOINTTABLE  ADD, DELETE, CLEANUP, INFO, UPGRADE
WALLET                  CREATE, OPEN, PURGE
MASTERKEY             ADD, INFO, RENEW, DELETE, UNDELETE
CREDENTIALSTORE  ADD, ALTER, INFO, DELETE
HEARTBEATTABLE    ADD, DELETE, ALTER, INFO, UPGRADE
HEARTBEATENTRY    DELETE

Commands without an object:
(Database)     DBLOGIN, LIST TABLES, ENCRYPT PASSWORD, FLUSH SEQUENCE,  MININGDBLOGIN, SET NAMECCSID
(DDL)            DUMPDDL
(Miscellaneous)  !, ALLOWNESTED | NOALLOWNESTED, CREATE SUBDIRS, DEFAULTJOURNAL, FC, HELP,
             HISTORY, INFO ALL, OBEY, SHELL, SHOW, VERSIONS, VIEW GGSEVT, VIEW REPORT
                 (note: type the word COMMAND after the ! to display the
                 ! help topic, for example: GGSCI (sys1)> help ! command
                 
For help on a specific command, type HELP command object.
Example: HELP ADD REPLICAT

ggsci > help add rmttrail
=========================================================================
ggsci > CREATE SUBDIRS     -- To create default directories within Oracle GoldenGate (OGG) home directory
=========================================================================
DATASTORE        ALTER, CREATE, DELETE, INFO, REPAIR
ggsci > info datastore -- to display information about the Oracle GoldenGate Monitor data store
ggsci > info datastore

ggsci > create datastore { MMAP | SHM [ID ] }    --  to create an Oracle GoldenGate Monitor data store in the Oracle GoldenGate installation directory
ggsci > CREATE DATASTORE MMAP
ggsci > CREATE DATASTORE SHM
ggsci > CREATE DATASTORE SHM ID 999

ggsci > alter datastore { MMAP | SHM [ID ] } -- to change the memory model that is used for
interprocess communication by the Oracle GoldenGate Monitor data store.
ggsci > ALTER DATASTORE MMAP
ggsci > ALTER DATASTORE SHM
ggsci > ALTER DATASTORE SHM ID 999

ggsci > DELETE DATASTORE [!]    -- to remove the Oracle GoldenGate Monitor data store from the Oracle GoldenGate installation directory.
ggsci > DELETE DATASTORE
ggsci > DELETE DATASTORE !

ggsci > REPAIR DATASTORE   -- to repair the Oracle GoldenGate Monitor data store if it is corrupt or after an upgrade.
ggsci > REPAIR DATASTORE
=========================================================================
ER               INFO, KILL, LAG, SEND, STATUS, START, STATS, STOP
ggsci > INFO ER group_wildcard_specification   -- To get information on multiple Extract and Replicat groups as a unit
ggsci > info er *ext*
ggsci > info ER *

ggsci > START ER group_wildcard_specification    -- To start multiple Extract and Replicat groups as a unit
ggsci > start er *rep*

ggsci > STOP ER group_wildcard_specification    -- To stop multiple Extract and Replicat groups as a unit
ggsci > stop er *ext*

ggsci > STATUS ER group_wildcard_specification   -- To check the status of multiple Extract and Replicat groups as a unit
ggsci > status er *EX*

ggsci > LAG ER group_wildcard_specification   -- To get lag information on multiple Extract and Replicat groups as a unit
ggsci > lag er *ext*

ggsci > KILL ER group_wildcard_specification   -- To forcefully terminate multiple Extract and Replicat groups as a unit
ggsci > kill er *x*

ggsci > SEND ER group_wildcard_specification   -- To send instructions to multiple Extract and Replicat groups as a unit
ggsci > send er *ext

ggsci > STATS ER group_wildcard_specification   -- To get statistics on multiple Extract and Replicat groups as a unit
ggsci > stats er ext*
stats ER *
=========================================================================
EXTRACT          ADD, ALTER, CLEANUP, DELETE, INFO, KILL, LAG, REGISTER, SEND, START, STATS, STATUS, STOP, UNREGISTER
ggsci > INFO EXTRACT group_name [, SHOWCH [n]] [, DETAIL] [, TASKS | ALLPROCESSES]  -- To display status of Extract, approximate Extract lag, checkpoint information, process run history
ggsci > info extract emp_ext
ggsci > info extract cust_ext, detail
ggsci > info extract ext*, showch
ggsci > INFO EXTRACT E*, SHOWCH 10
ggsci > info extract *, detail
ggsci > info extract hr, tasks
ggsci > info extract extp, allprocesses

ggsci > ADD EXTRACT group_name
{, SOURCEISTABLE |
   , TRANLOG |  
   , INTEGRATED TRANLOG |
   , VAM |
   , EXTFILESOURCE file_name |
   , EXTTRAILSOURCE trail_name |
   , VAMTRAILSOURCE VAM_trail_name}
 BEGIN {NOW | yyyy-mm-dd[ hh:mi:[ss[.cccccc]]]} |
 EXTSEQNO sequence_number, EXTRBA relative_byte_address |
 EOF |
 LSN [value] |
 bsds_name |
 LRI_NUMBER |
 EXTRBA relative_byte_address |
 PAGE data_page, ROW row_ID |
 SEQNO sequence_number
 SCN value
 THREADS [n]
 PASSIVE
 PARAMS file_name
 REPORT file_name
 DESC 'description'
 SOCKSPROXY {host_name | IP_address}[:port] [PROXYCSALIAS credential_store_alias
[PROXYCSDOMAIN credential_store_domain]]]
 RMTNAME passive_Extract_name]
 DESC [description]
 -- To create an Extract group
Syntax for an alias Extract:
ADD EXTRACT group_name, RMTHOST {host_name | IP_address}, {MGRPORT port} | {PORT port} [, RMTNAME name] [, DESC "description"]
ggsci > add extract s_extr, tranlog, begin now
ggsci > add extract finext, tranlog, begin now, threads 4
ggsci > add extract fin, tranlog, begin now, passive
ggsci > ADD EXTRACT ESOURCE02, INTEGRATED TRANLOG, BEGIN NOW
ggsci > add extract ext_ms, extseqno 111, begin now
ggsci > add extract hr_ext, extrba 567890, begin 2018-04-02 12:00:00
ggsci > add extract initload, sourceistable
ggsci > add extract pump, exttrailsource /oracle/ogg_21c/dirdat/hr
ggsci > add extract fin, vam                        -- VAM - Vendor Access Module
ggsci > add extract fin, vamtrailsource /ogg/dirdat/vt
ggsci > add extract finA, rmthost host123, mgrport 7810, rmtname fin
ggsci > ADD EXTRACT finance TRANLOG SCN 123456
ggsci > ADD EXTRACT finance INTEGRATED TRANLOG SCN 123456

ggsci > REGISTER EXTRACT extract_group_name LOGRETENTION -- For classic Extract
REGISTER EXTRACT group-name
  ( LOGRETENTION | DATABASE
     ( [ CONTAINER container-list |
         ADD CONTANER container-list |
         DROP CONTAINER container-list ]
       [ SCN scn ]
       [ SHARE ( AUTOMATIC | group-name | NONE ) ]
       [ [NO]OPTIMIZED ]
)
) -- For Integrated Extract
ggsci > register extract extr logretention
ggsci > REGISTER EXTRACT 1ext DATABASE
ggsci > REGISTER EXTRACT ext9 database SCN 136589 SHARE AUTOMATIC
ggsci > REGISTER EXTRACT ext2 DATABASE SHARE NONE 
ggsci > REGISTER EXTRACT sales DATABASE CONTAINER (sales, finance, hr)

ggsci > UNREGISTER EXTRACT extract_group_name {DATABASE | LOGRETENTION}
ggsci > unregister extract extr logretention
ggsci > UNREGISTER EXTRACT sales DATABASE

ggsci > ALTER EXTRACT group_name 
 [ADD_EXTRACT_attribute] 
 [TRANLOG LRI_number] 
 [UPGRADE INTEGRATED TRANLOG] 
 [DOWNGRADE INTEGRATED TRANLOG [THREADS number]] 
 [THREAD number] 
 [LSN value] 
 [SCN value] 
 [ETROLLOVER]   -- To change the attributes of an Extract group, To increment a trail to the next file in the sequence
ggsci > alter extract PA_AD, begin now
ggsci > alter extract EA_AD, begin 2018-08-23
ggsci > alter extract PA_AD, etrollover
ggsci > alter extract PA_AD, extseqno 5470, extrba 209184
ggsci > ALTER EXTRACT EA01RA THREAD 1
ggsci > alter extract accounts, thread 4, begin 2018-03-09
ggsci > alter extract sales, lsn 1234:123:1
ggsci > ALTER EXTRACT finance, SCN 778899
ggsci > ALTER EXTRACT finance, UPGRADE INTEGRATED TRANLOG
ggsci > ALTER EXTRACT efin8, DOWNGRADE INTEGRATED TRANLOG THREADS 2
ggsci > ALTER EXTRACT finance, SEQNO 1234 JOURNAL accts/acctsjrn JRNRCV accts/jrnrcv0005

ggsci > LAG EXTRACT group_name  [GLOBAL]  -- To determine a true lag time between Extract and the datasource
ggsci > lag extract ext*
ggsci > lag extract *

ggsci > KILL EXTRACT group_name    -- To kill an Extract process running in regular or PASSIVE mode
ggsci > kill extract fin

ggsci > DELETE EXTRACT group_name [!]   -- To delete an Extract group
ggsci > delete extract emp_ext
ggsci > delete extract emp_ext !              -- will not ask for confirmation

ggsci > CLEANUP EXTRACT group_name [, SAVE count]    -- To delete run history for the specified Extract group
ggsci > cleanup extract fin
ggsci > cleanup extract e*, save 6

ggsci > START EXTRACT extract_name  [ATCSN csn | AFTERCSN csn]  -- To start Extract process
ggsci > start extract extr
ggsci > start *
ggsci > START EXTRACT finance ATCSN 684993 
ggsci > START EXTRACT finance AFTERCSN 684993 
ggsci > START EXT1PMP FORCEAPPEND

ggsci > STOP EXTRACT extract_name   -- To stop Extract gracefully
ggsci > stop extract extr
ggsci > stop *

ggsci > STATUS EXTRACT group_name [, TASKS | ALLPROCESSES] [UPGRADE | DOWNGRADE]   -- To determine whether or not Extract is running
ggsci > status extract extr_hr
ggsci > status extract ext*, tasks
ggsci > status extract *ext*, allprocesses

ggsci > STATS EXTRACT group_name [, statistic] [, TABLE table] [, TOTALSONLY table_specification] [, REPORTFETCH | NOREPORTFETCH] [, REPORTRATE HR|MIN|SEC] [, ... ]  -- To display statistics for one or more Extract group
ggsci > stats ext_hr
ggsci > stats ecm*
ggsci > stats extract ext
ggsci > stats extract ext2 reportrate sec
ggsci > stats extract fin, total, daily
ggsci > stats extract fin, total, hourly, table acct, reportrate min, reset, reportfetch
ggsci > stats extract ext_1a, reset
ggsci > STATS EXTRACT ext, LATEST, REPORTFETCH 

ggsci > SEND EXTRACT group_name, { 
BR {BRINTERVAL interval | 
   BRSTART | 
   BRSTOP | BRCHECKPOINT {IMMEDIATE | IN n{M|H} | 
   AT yyyy-mm-dd hh:mm[:ss]]}} | 
BR BRFSOPTION { MS_SYNC | MS_ASYNC } 
CACHEMGR {CACHESTATS | CACHEQUEUES | CACHEVMUSAGE} | 
FORCESTOP | 
FORCETRANS transaction_ID [THREAD n] [FORCE] | 
GETLAG | 
GETPARAMINFO [parameter_name] [FILE output_file] | 
GETTCPSTATS | 
LOGEND | 
LOGSTATS | 
REPORT | 
RESUME | 
ROLLOVER | 
SHOWTRANS [transaction_ID] [THREAD n] [COUNT n] 
   [DURATION duration unit] [TABULAR]
   [FILE file_name [DETAIL]] | 
SKIPTRANS transaction_ID [THREAD n] [FORCE] | 
STATUS | 
STOP | 
TRACE[2] file_name | 
TRACE[2] OFF | 
TRACE OFF file_name | 
TRACEINIT | 
TRANSLOGOPTIONS INTEGRATEDPARAMS(parameter_specification)| 
TRANLOGOPTIONS {PREPAREFORUPGRADETOIE | NOPREPAREFORUPGRADETOIE} 
|TRANLOGOPTIONS 
{PURGEORPHANEDTRANSACTIONS | NOPURGEORPHANEDTRANSACTIONS} | 
TRANLOGOPTIONS TRANSCLEANUPFREQUENCY minutes | 
VAMMESSAGE 'Teradata_command' | 
VAMMESSAGE {'ARSTATS' | 'INCLUDELIST [filter]' | 'FILELIST [filter]'
| 'EXCLUDELIST 
[filter]'} | 
VAMMESSAGE 'OPENTRANS' 
}     -- To communicate with a running Extract process
Teradata_command = {"control:terminate" | "control:suspend" | "control:resume" | "control:copy database.table"
ggsci > send extract exthr status
ggsci > send extract extr, getlag
ggsci > send extract group_name tltrace file file_name ddlinclude
ggsci > send extract fin, rollover
ggsci > send extract fin  stop
ggsci > send extract fin, vammessage control:suspend
ggsci > send extract fin, tranlogoptions transcleanupfrequency 15
ggsci > send extract fin, showtrans
ggsci > send extract fin, showtrans count 10
ggsci > send extract fin, skiptrans 15.7.42734 thread 4
ggsci > SEND EXTRACT EXTORD, ROLLREPORT
=========================================================================
EXTTRAIL         ADD, ALTER, DELETE, INFO
ggsci > INFO EXTTRAIL trail_name  -- To retrieve configuration information for a local trail
ggsci > info exttrail *
ggsci > info exttrail e:\ogg\dirdat\ex

ggsci > ADD EXTTRAIL trail_name, EXTRACT group_name [, MEGABYTES n] [, SEQNO n]   -- To create a trail for online processing on local system
ggsci > add exttrail /oracle/ogg_21c/dirdat/lt, extract s_extr
ggsci > add exttrail C:\OGG\dirdat\et, extract emp_ext
ggsci > add exttrail e:\ogg\dirdat\fi, extract fin, megabytes 50

ggsci > ALTER EXTTRAIL trail_name, EXTRACT group_name [, MEGABYTES n]   -- To change the attributes of a trail (on the local system)
ggsci > alter exttrail c:\ogg\dirdat\aa, extract fin, megabytes 30

ggsci > DELETE EXTTRAIL trail_name    -- To delete the record of checkpoints associated with a trail on a local system
ggsci > delete exttrail /home/ogg/dirdat/et
=========================================================================
JAGENT           INFO, START, STATUS, STOP
INFO JAGENT                 Returns information about the Oracle GoldenGate Monitor JAgent.  
ggsci > INFO JAGENT

START JAGENT                Starts the JAgent.  
ggsci > START JAGENT

STATUS JAGENT               Returns the state of the Oracle GoldenGate Monitor JAgent.  
ggsci > STATUS JAGENT

STOP JAGENT                 Stops the JAgent.
ggsci > STOP JAGENT
ggsci > STOP JAGENT !
=========================================================================
MANAGER          INFO, SEND, START, STOP, STATUS

ggsci > INFO MANAGER   -- To determine whether or not the Manager process is running
ggsci > INFO MGR
ggsci > INFO MARKER [COUNT number_of_items]  -- To review recently processed markers from a nonstop system
ggsci > info marker
ggsci > info marker count 6

ggsci > EDIT PARAMS {MGR | ./GLOBALS | group_name | file_name}  -- To create or change a parameter file
ggsci > EDIT PARAMS DEFGEN
ggsci > edit params ./GLOBALS
GGSCHEMA ogg_own
CHECKPOINTTABLE ogg_own.checkpoint
ALLOWOUTPUTDIR /u02/ogg_trails
HEARTBEATTABLE table_name
ENABLEMONITORING

ggsci > edit params mgr

ggsci > VIEW PARAMS {MGR | group_name | file_name}   -- To view the contents of a parameter file
ggsci > view params mgr
ggsci > view params s_extr
ggsci > view params e:\ogg_parameters\replp.prm

ggsci > START MANAGER    -- To start Manager process
ggsci > start MGR
ggsci > start manager

ggsci > STOP MANAGER [!]    -- To stop Manager process
ggsci > stop manager
ggsci > stop mgr
ggsci > stop manager !    -- will not ask for confirmation

ggsci > SEND MANAGER [CHILDSTATUS [DEBUG]] [GETPORTINFO [DETAIL]] [GETPURGEOLDEXTRACTS]   -- To retrieve the status of the active Manager process or to retrieve dynamic port information as configured in the Manager parameter file
ggsci > send manager childstatus
ggsci > send manager childstatus debug
ggsci > send manager getportinfo
ggsci > send manager getportinfo detail
ggsci > send manager getpurgeoldextracts

ggsci > STATUS MANAGER    -- To determine whether or not the Manager process is running
ggsci > status manager
=========================================================================
PARAMETERS       EDIT, VIEW, SET EDITOR, INFO, GETPARAMINFO
ggsci > SET EDITOR program_name    -- To change the default text editor for the current session of GGSCI, default editors are Notepad for Windows and vi for UNIX
ggsci > set editor wordpad
=========================================================================
REPLICAT         ADD, ALTER, CLEANUP, DELETE, INFO, KILL, LAG, REGISTER, SEND,
                 START, STATS, STATUS, STOP, SYNCHRONIZE, UNREGISTER
ggsci > INFO REPLICAT group_name [, SHOWCH [n]] [, DETAIL] [, TASKS | ALLPROCESSES] -- To display status of Replicat, approximate replication lag, the trail from which Replicat is reading, Replicat run history, including checkpoints in the trail, information about the Replicat environment.
ggsci > info replicat emp_rep
ggsci > info replicat emp_rep, detail
ggsci > info replicat prd*, detail, allprocesses
ggsci > info replicat *, tasks
ggsci > info replicat fin, showch
ggsci > info ra002 detail


INFO command will read the checkpoint file. LAG command get the lag time more precisely, because it directly communicates with ER to obtain the lag time. SEND command communicates directly with the process and gets the current/latest status of it.

ggsci > edit params e:\ogg\dirprm\replp.prm

ggsci > ADD REPLICAT group_name
 INTEGRATED | COORDINATED [MAXTHREADS number]]
  {, SPECIALRUN |
   , EXTFILE file_name |
   , EXTTRAIL trail_name}
 BEGIN {NOW | yyyy-mm-dd[ hh:mm[:ss[.cccccc]]]} |
   , EXTSEQNO sequence_number, EXTRBA rba]
{PARALLEL | PARALLEL INTEGRATED EXTTRAIL trail_name , 
 CHECKPOINTTABLE owner.table | NODBCHECKPOINT}
 PARAMS file_name]
 REPORT file_name]
 DESC 'description']  -- To create a Replicat group
ggsci > add replicat repl, exttrail C:\OGG\dirdat\lt
ggsci > add replicat R3CT, exttrail /u01/ogg/dirdat/lt, checkpointtable ogg_own.checkpoint
ggsci > add replicat initload, specialrun
ggsci > add replicat sales, exttrail /oracle/ogg/dirdat/lt, nodbcheckpoint
ggsci > ADD REPLICAT financer, INTEGRATED, EXTTRAIL c:\ggs\dirdat\rt
ggsci > add replicat sales, EXTTRAIL /ogg/dirdat/ex, FORMAT RELEASE 11.1
ggsci > ADD REPLICAT sales, COORDINATED MAXTHREADS 100, EXTTRAIL dirdat/rt 
ggsci > ADD REPLICAT sales, PARALLEL INTEGRATED, EXTTRAIL dirdat/rt, checkpointtable ggadmin.checkpoint
ggsci > ADD REPLICAT R01AD INTEGRATED EXTTRAIL /ogg/trail/ra CHECKPOINTTABLE OGGOWN.CHKPTAB BEGIN 2018-10-31 20:04:25.293534

ggsci > ALTER REPLICAT group_name[threadID], { 
 ADD REPLICAT option  ...] |
 INTEGRATED | NONINTEGRATED, CHECKPOINTTABLE owner.table }   -- To change the attributes of a Replicat group
ggsci > alter replicat fin, begin now
ggsci > alter replicat rfin, begin 2018-08-08 08:08:08
ggsci > alter replicat RA_AD, extseqno 3804
ggsci > alter replicat RA_AD, extrba 766338576
ggsci > alter replicat RBBP01 extseqno 13, extrba 11995
ggsci > ALTER REPLICAT finance, INTEGRATED 
ggsci > ALTER REPLICAT finance, NONINTEGRATED, CHECKPOINTTABLE ogg.checkpt

ggsci > CLEANUP REPLICAT group_name [, SAVE count]   -- To delete run history for a specified Replicat group
ggsci > cleanup replicat fin
ggsci > cleanup replicat *, save 10

ggsci > DELETE REPLICAT group_name [!]   -- To delete a Replicat group
ggsci > delete replicat emp_ext
ggsci > delete replicat emp_ext !             -- will not ask for confirmation

ggsci > KILL REPLICAT group_name   -- To kill a Replicat process
ggsci > kill replicat fin

ggsci > LAG REPLICAT group_name [GLOBAL]  -- To determine a true lag time between Replicat and the trail
ggsci > lag replicat myrepl
ggsci > lag replicat *

ggsci > SEND REPLICAT group_name[threadID], 

CACHEMGR {CACHESTATS | CACHEQUEUES | CACHEVMUSAGE} | 
DEPENDENCYINFO|DEPINFO [TXNCOUNT num] |
FORCESTOP | 
GETLAG | 
GETPARAMINFO [parameter_name] [FILE output_file] | 
HANDLECOLLISIONS | NOHANDLECOLLISIONS [table_spec] | 
INTEGRATEDPARAMS(parameter_specification) | 
REPORT [HANDLECOLLISIONS [table_spec]] | 
RESUME | 
STATUS | 
STOP | 
TRACE[2] [DDLINCLUDE | DDL[ONLY]] file_name | 
TRACE[2] OFF | 
TRACE OFF file_name | 
TRACEINIT | 
THREADS (threadID threadID] ...] thread_range thread_range]
 ...]) 
}     -- To communicate with a starting or running Replicat process
ggsci > send replicat fin, handlecollisions
ggsci > send replicat fin, report handlecollisions fin_*
ggsci > send replicat fin, getlag
ggsci > SEND REPLICAT finance, INTEGRATEDPARAMS (parallelism 10) 
ggsci > SEND REPLICAT fin, TRACE THREADS(1) FILE ./dirrpt/trace.trc 
ggsci > SEND REPLICAT R01IX TRACE FILE ./dirrpt/R01IX_trace.trc 
ggsci > send Rep2 DEPENDENCYINFO TXNCOUNT 5
ggsci > send replicat R01IX status

ggsci > START REPLICAT group_name [SKIPTRANSACTION | ATCSN csn | AFTERCSN csn] [FILTERDUPTRANSACTIONS | NOFILTERDUPTRANSACTIONS] 
[THREADS (threadID threadID] ...] thread_range thread_range] ...])   -- To start Replicat process
ggsci > start *
ggsci > start replicat RCT
ggsci > start replicat fin, atcsn 5238306       -- commit sequence number (CSN)
ggsci > start replicat fin, aftercsn 0X000006B1:0002334D:0004
ggsci > start replicat MYREP skiptransaction
ggsci > start RAU8 NOFILTERDUPTRANSACTIONS
ggsci > START REPLICAT fin ATCSN 6488359 THREADS(1-3), AFTERCSN 6488360 THREADS(9-10), SKIPTRANSACTION THREADS(7,8) 

ggsci > STOP REPLICAT replicat_name [!]   -- To stop Replicat gracefully
ggsci > stop replicat 2RCT
ggsci > stop replicat rep !
ggsci > stop *

ggsci > STATUS REPLICAT group_name [, TASKS | ALLPROCESSES]  -- To determine whether or not Replicat is running
ggsci > status replicat emp_rep
ggsci > status replicat cust_rep, tasks
ggsci > status replicat rep, allprocesses

ggsci > STATS REPLICAT group_name 
 [statistic] 
 [TABLE [container. | catalog.]schema.table] 
 [TOTALSONLY [container. | catalog.]schema.table] 
 [REPORTCDR] 
 [REPORTCHARCONV] 
 [REPORTDETAIL | NOREPORTDETAIL]  REPORTRATE {HR | MIN | SEC}] 
 ... ]    -- To display statistics for one or more Replicat groups
ggsci > stats rep_hr
ggsci > stats rep_name -total
ggsci > STATS REPLICAT r_trg REPORTDETAIL SEC
ggsci > STATS REPLICAT r_trg, TOTAL, DAILY
ggsci > stats replicat fin, total, table acct, reportrate hr, reset, noreportdetail
ggsci > STATS REPLICAT group, REPORTCDR
ggsci > STATS REPLICAT RA_TH table OWNER.USERS REPORTCDR hourly REPORTRATE MIN

ggsci > SYNCHRONIZE REPLICAT group_name
ggsci > SYNCHRONIZE REPLICAT rep_fin

ggsci > UNREGISTER REPLICAT group_name DATABASE 
ggsci > UNREGISTER REPLICAT sales DATABASE 

=========================================================================
RMTTRAIL          ADD, ALTER, DELETE, INFO
ggsci > INFO RMTTRAIL trail_name  -- To retrieve configuration information for a remote trail
ggsci > info rmttrail *
ggsci > info rmttrail D:\ogg19c\dirdat\ex

ggsci > ADD RMTTRAIL trail_name, EXTRACT group_name [, MEGABYTES n] [, SEQNO n]   -- To create a trail for online processing on remote system
ggsci > add rmttrail C:\OGG\dirdat_21c\hr, extract extr
ggsci > add rmttrail /u01/app/oracle/ogg21c/dirdat/ms, extract msextr
ggsci > add rmttrail /u02/app/ogg_19c/dirdat/my, extract mysql, megabytes 50

ggsci > ALTER RMTTRAIL trail_name, EXTRACT group_name [, MEGABYTES n]   -- To change the attributes of a trail (on a remote system)
ggsci > alter rmttrail c:\ogg\dirdat\et, extract fin, megabytes 25

ggsci > DELETE RMTTRAIL trail_name    -- To delete the record of checkpoints associated with a trail on a remote system
ggsci > delete rmttrail /home/ogg_21c/dirdat/et
=========================================================================
TRACETABLE        ADD, DELETE, INFO
ggsci > INFO TRACETABLE [owner.table]      -- To verify the existence of the specified trace table
ggsci > info tracetable
ggsci > info tracetable ora_trace

ggsci > ADD TRACETABLE [owner.table]    -- To create a trace table in the Oracle database
ggsci > add tracetable
ggsci > add tracetable ora_trace

ggsci > DELETE TRACETABLE [owner.table]    -- To delete a trace table
ggsci > delete tracetable
ggsci > delete tracetable ora_trace
=========================================================================
TRANDATA         ADD, DELETE, INFO
ggsci > INFO TRANDATA [container.]owner.table [NOVALIDATE]   -- To determine whether logging/replication enabled or not
ggsci > info trandata hr.*
ggsci > info trandata fin.acct
ggsci > INFO TRANDATA finance.ac* NOVALIDATE

ggsci > ADD TRANDATA {[container.]owner.table | schema.table [JOURNAL 
library/journal] | library/file [JOURNAL library/journal]} 
 [NOSCHEDULINGCOLS | ALLCOLS] 
 [COLS (columns)] 
 [INCLUDELONG | EXCLUDELONG] 
 [LOBSNEVER | LOBSALWAYS | LOBSIFCHANGED | LOBSALWAYSNOINDEX] 
 [NOKEY] 
 [NOVALIDATE]
 [PREPARECSN  {WAIT | LOCK | NOWAIT | NONE}]    -- To enable Oracle GoldenGate to acquire the transaction information it needs from the transaction records
ggsci > add trandata hr.*
ggsci > add trandata emp.employees
ggsci > add trandata fin.acct, cols (name, address)
ggsci > add trandata fin.acct, nokey, cols (name, pid)
ggsci > add trandata fin.acct, lobsalwaysnoindex
ggsci > ADD TRANDATA \u20AC1
ggsci > ADD TRANDATA SCHEMA_NAME.TABLE_NAME ALLCOLS 

ggsci > DELETE TRANDATA user_name.table_names [, OLDFORMAT] [, USETRIGGER]  -- To delete logging/replication data
ggsci > delete trandata fin.acct
ggsci > delete trandata fin.cust*
ggsci > delete trandata emp.hr, usetrigger
=========================================================================
SCHEMATRANDATA   ADD, DELETE, INFO
ggsci > ADD SCHEMATRANDATA schema { 
[ALLOWNONVALIDATEDKEYS] 
[NOSCHEDULINGCOLS | ALLCOLS]} 
[NOVALIDATE]
[PREPARECSN {WAIT | LOCK | NOWAIT | NONE}] 
ggsci > ADD SCHEMATRANDATA OWNER ALLCOLS
ggsci > ADD SCHEMATRANDATA scott

ggsci > INFO SCHEMATRANDATA schema_name
ggsci > INFO SCHEMATRANDATA scott

ggsci > DELETE SCHEMATRANDATA schema_name
ggsci > DELETE SCHEMATRANDATA scott
ggsci > DELETE SCHEMATRANDATA scott ALLCOLS


ggsci > SET_INSTANTIATION_CSN csn FOR [schema.] table FROM source_database_name       # Sets whether and how table instantiation CSN filtering is used
ggsci > SET_INSTANTIATION_CSN 12345678 FOR hr.employees FROM DBS6

ggsci > CLEAR_INSTANTIATION_CSN FOR [schema.]table FROM source_database_name    # Clears table instantiation CSN filtering
ggsci > CLEAR_INSTANTIATION_CSN FOR hr.employees FROM orcl
=========================================================================
CHECKPOINTTABLE  ADD, DELETE, CLEANUP, INFO, UPGRADE
ggsci > INFO CHECKPOINTTABLE [user_name.table_name]  -- To confirm the existence of a checkpoint table and view the date and time that it was created
ggsci > info checkpointtable
ggsci > info checkpointtable ogg_own.chkpt_table

ggsci > ADD CHECKPOINTTABLE [user_name.table_name]   -- To create a checkpoint table in the target database
ggsci > add checkpointtable
ggsci > add checkpointtable ogg_own.checkpoint

ggsci > CLEANUP CHECKPOINTTABLE [user_name.table_name]  -- To remove checkpoint records from the checkpoint table
ggsci > cleanup checkpointtable ggs.fin_check

ggsci > DELETE CHECKPOINTTABLE [user_name.table_name] [!]     -- To drop a checkpoint table from the database
ggsci > delete checkpointtable ggs.fin_check

ggsci > UPGRADE CHECKPOINTTABLE [[container. | catalog.]owner.table] 
ggsci > UPGRADE CHECKPOINTTABLE
ggsci > UPGRADE CHECKPOINTTABLE ggs.fin_check

=========================================================================
WALLET            CREATE, OPEN, PURGE
create wallet -- to encrypt the encryption keys that secure data over the network and in trail files and other Oracle GoldenGate files that store sensitive data.
ggsci > create wallet

open wallet -- to open a master-key wallet
ggsci > open wallet

purge wallet -- to permanently remove master key versions from the master-key wallet.
ggsci > purge wallet
=========================================================================
MASTERKEY        ADD, INFO, RENEW, DELETE, UNDELETE
ADD MASTERKEY
ggsci > add masterkey ogg_mk
ggsci > add masterkey renew

INFO MASTERKEY [VERSION version]
ggsci > INFO MASTERKEY
ggsci > INFO MASTERKEY VERSION 7
ggsci > info masterkey ogg_mk version 1

DELETE MASTERKEY {VERSION version | RANGE FROM begin_value TO end_value | ALL}
ggsci > DELETE MASTERKEY VERSION 10
ggsci > DELETE MASTERKEY RANGE FROM 3 TO 6

UNDELETE MASTERKEY VERSION version
ggsci > UNDELETE MASTERKEY VERSION 3

RENEW masterkey
ggsci > renew masterkey ogg
=========================================================================
CREDENTIALSTORE  ADD, ALTER, INFO, DELETE
ggsci > ADD CREDENTIALSTORE
ggsci > ADD CREDENTIALSTORE

ggsci > ALTER CREDENTIALSTORE delete user gg_root
ALTER CREDENTIALSTORE {
  ADD USER userid |
  REPLACE USER userid |
  DELETE USER userid }
[PASSWORD password]
[ALIAS alias]
[DOMAIN domain]
ggsci > ALTER CREDENTIALSTORE ADD USER oggadmin password password
ggsci > ALTER CREDENTIALSTORE ADD USER oggadmin@link alias gg_root
ggsci > ALTER CREDENTIALSTORE ADD USER oggown PASSWORD oggown ALIAS gg_root
ggsci > ALTER CREDENTIALSTORE ADD USER ggadmin PASSWORD oracle ALIAS gg_root DOMAIN gg
ggsci > ALTER CREDENTIALSTORE REPLACE USER oggadmin password password
ggsci > ALTER CREDENTIALSTORE REPLACE USER oggown@testdb PASSWORD oggown ALIAS gg_root
ggsci > ALTER CREDENTIALSTORE delete user gg_root

ggsci > INFO CREDENTIALSTORE [DOMAIN domain-name]
ggsci > INFO CREDENTIALSTORE DOMAIN support 

ggsci > DELETE CREDENTIALSTORE
ggsci > DELETE CREDENTIALSTORE
=========================================================================
HEARTBEATTABLE    ADD, DELETE, ALTER, INFO,UPGRADE

ADD HEARTBEATTABLE 
 [, FREQUENCY number in seconds] 
 [, RETENTION_TIME number in days] | 
 [, PURGE_FREQUENCY number in days] 
 [, PARTITIONED]
 [, NOADDTRANDATA ]
 [, TARGETONLY] 
ggsci > ADD HEARTBEATTABLE         # from OGG 12c R2 (12.2.0)
ggsci > add heartbeattable, frequency 5
ggsci > ADD HEARTBEATTABLE, partitioned
ggsci > add heartbeattable, RETENTION_TIME 60
ggsci > add heartbeattable, PURGE_FREQUENCY 5

ALTER HEARTBEATTABLE 
 [FREQUENCY number in seconds] 
 [RETENTION_TIME number in days] | 
 [PURGE_FREQUENCY number in days] 
 [TARGETONLY | NOTARGETONLY]
ggsci > ALTER HEARTBEATTABLE
ggsci > ALTER HEARTBEATTABLE FREQUENCY 60
ggsci > ALTER HEARTBEATTABLE RETENTION_TIME 30
ggsci > ALTER HEARTBEATTABLE PURGE_FREQUENCY 1

ggsci > INFO heartbeattable
ggsci > INFO heartbeattable

DELETE HEARTBEATTABLE group_name
ggsci > DELETE HEARTBEATTABLE

ggsci > UPGRADE heartbeattable
ggsci > UPGRADE heartbeattable
=========================================================================
HEARTBEATENTRY   DELETE
ggsci > DELETE HEARTBEATENTRY group_name Deletes entries in the heartbeat table.
ggsci > DELETE HEARTBEATENTRY 

=========================================================================

Commands without an object:
(Database)       DBLOGIN, LIST TABLES, ENCRYPT PASSWORD, FLUSH SEQUENCE, MININGDBLOGIN, SET NAMECCSID

ggsci > DBLOGIN {SOURCEDB|TARGETDB dsn | USERID user_name[, PASSWORD password] [SYSDBA] | 
SOURCEDB|TARGETDB dsn, USERID user_name[, PASSWORD password] [SYSDBA] [SQLID sqlid]   -- To establish a database connection
ggsci > dblogin sourcedb testdb
ggsci > dblogin targetdb repldb
ggsci > dblogin userid gg
ggsci > dblogin userid gg, password oracle
ggsci > dblogin userid system@localhost:1521/prod, password 12345678
ggsci > dblogin sourcedb ctdb@host1, userid ogg_own, password ggs sysdba
ggsci > dblogin USERIDALIAS gg_login

ggsci > ENCRYPT PASSWORD password [AES128 | AES192 | AES256 | BLOWFISH]  ENCRYPTKEY {key_name | DEFAULT}   -- To encrypt a database login password
ggsci > encrypt password oracle143 encryptkey spiderman
ggsci > ENCRYPT PASSWORD oracle123 BLOWFISH ENCRYPTKEY DEFAULT 
ggsci > ENCRYPT PASSWORD oracle890 AES192 ENCRYPTKEY superkey2 

FLUSH SEQUENCE owner.sequence       -- Updates an Oracle sequence
ggsci > FLUSH SEQUENCE scott.seq*

ggsci > LIST TABLES table_name   -- To list all tables in the database that match the specification
ggsci > list tables cust*

MININGDBLOGIN { 
USERID {/ | userid} PASSWORD password] [algorithm ENCRYPTKEY {keyname | 
DEFAULT}] | USERIDALIAS alias [DOMAIN domain] | 
[SYSDBA] 
}       -- Specifies the credentials of the user that an Oracle GoldenGate process uses to log into an Oracle mining database
MININGDBLOGIN USERIDALIAS oggalias SESSIONCHARSET ISO-8859-11 
MININGDBLOGIN USERID ogg@ora1.ora, PASSWORD AACAAAAAAAAAAAJAUEUGODSCVGJEEIUGKJDJTFNDKEJFFFTC AES128, ENCRYPTKEY securekey1

SET NAMECCSID {CCSID | DEFAULT}
ggsci > SET NAMECCSID 1141
=========================================================================
(DDL)            DUMPDDL

ggsci > DUMPDDL [SHOW]   -- To view the data in the Oracle GoldenGate DDL history table
ggsci > dumpddl
=========================================================================

(Miscellaneous)  !, ALLOWNESTED | NOALLOWNESTED, CREATE SUBDIRS, DEFAULTJOURNAL, FC, HELP, 
  HISTORY, INFO ALL, OBEY, SHELL, SHOW, VERSIONS, VIEW GGSEVT, VIEW REPORT

ggsci > SHOW   -- To display the Oracle GoldenGate (OGG) environment
ggsci > SHOW ALL

ggsci > INFO ALL [TASKS | ALLPROCESSES]   -- To display the status of all Manager, Extract, Datapump and Replicat processes
ggsci > info all
Program     Status      Group       Lag       Time Since Chkpt
MANAGER     RUNNING
EXTRACT     STOPPED     EXTR      00:01:15      00:00:07
REPLICAT    ABENDED     REP       00:00:00      00:00:04
ggsci > info all tasks
ggsci > info all allprocesses

ggsci > VIEW GGSEVT                -- To view GoldenGate error log (ggserr.log file)

ggsci > VIEW REPORT {group_name[n] | file_name|mgr}   -- To view the process report that is generated by Extract or Replicat
ggsci > view report ext6
ggsci > view report rep
ggsci > view report mgr  
ggsci > view report c:\ogg\dirrpt\orders.rpt

ggsci > HISTORY [n]   -- To view the most recently issued GGSCI commands since the session started
ggsci > history       -- by default, shows last 10 commands
ggsci > history 30

pause sleep_interval
ggsci > pause 900

ggsci > VERSIONS   -- To display operating system and database version information
ggsci > versions
Operating System:
Linux
Version #1 SMP Thu Jul 8 02:53:40 UTC 2021, Release 3.10.0-1160.36.2.el7.x86_64
Node: linux03.calldba.com
Machine: Linux

Database:
Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production

ggsci > FC [n | -n | string]   -- To display edit a previously issued GGSCI command and then execute it again
ggsci > fc
ggsci > fc 9
ggsci > fc -3
ggsci > fc sta
FC editor commands
i text  -- Inserts text
r text  -- Replaces text
d        -- Deletes a character
replacement_text  -- Replaces the displayed command with the text that we enter on a one-for-one basis.

ggsci > SHELL shell_command   -- To execute shell commands from within GGSCI interface
ggsci > shell ls -l /u01/app/oracle/19c/dirdat
ggsci > sh dir dirprm\*
ggsci > shell rm ./dat*
GGSCI > shell pmap -x replicate_process_id

ggsci > ! [n | -n | string]    -- To execute previous GGSCI command
ggsci > !
ggsci > ! 6    -- To run the command 6 listed in the history
ggsci > ! -3
ggsci > ! sta
ggsci > help ! command

ggsci > OBEY ggsci_script      -- To process a file that contains a list of Golden Gate commands.
ggsci > shell more /u01/app/oracle/ogg21c/startup.txt
START MANAGER
START EXTRACT EXT3
START EXTRACT DPUMP
INFO ALL
ggsci > obey /u01/app/oracle/ogg19c/startup.txt
ggsci > obey ./mycommands.txt


INFO PARAM name
ggsci > INFO PARAM RMTHOST
ggsci > INFO PARAM RETRYDELAY

ALLOWNESTED
NOALLOWNESTED



DEFAULTJOURNAL [library/journal] [CLEAR] 

ggsci > EXIT


New Commands in OGG 12c R3 (Oracle GoldenGate 12c (12.3.0.1))
=========================================================================
PMSRVR - Performance Metrics Server process uses the metrics service to collect and store
instance deployment performance results.
INFO PMSRVR                 Returns information about the PMSRVR. 
ggsci > INFO PMSRVR

START PMSRVR                Starts the PMSRVR. 
ggsci > START PMSRVR

STATUS PMSRVR               Returns the state of the PMSRVR. 
ggsci > STATUS PMSRVR

STOP PMSRVR                 Stops the PMSRVR.
ggsci > STOP PMSRVR
STOP PMSRVR !
=========================================================================
ADD PROCEDURETRANDATA       Adding supplemental logging for Procedural Replication.
ggsci > ADD PROCEDURETRANDATA

DELETE PROCEDURETRANDATA    Remove supplemental logging for Procedural Replication.
ggsci > DELETE PROCEDURETRANDATA

INFO PROCEDURETRANDATA      Display display supplemental logging information about Procedural Replication.
ggsci > INFO PROCEDURETRANDATA
=========================================================================

Oracle GoldenGate 18c provides support for some new features which were introduced in Oracle Database 12c – 
  • Support for Identity/AUTO_INCREMENT Columns and 
  • Support for In-Database Row Archival (works like TTL, hidden column called ORA_ARCHIVE_STATE column is added to the table).