New Features for DBA’s

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Example 4: Configuring Online Change Synchronization after initial load

In previous example we just loaded the table and that task is only one time.

In this example , we will configure a continuous synchronisation for the same myobj table.

  • Create a GoldenGate Checkpoint table
  • Create an Extract group
  • Create a parameter file for the online Extract group
  • Create a Trail
  • Create a Replicat group
  • Create a parameter file for the online Replicat group
On Source Steps On Target Steps
    Create CheckPoint Table

ggsci> EDIT PARAMS ./GLOBALS

###add the following two lines global params file ###

GGSCHEMA GGS_OWNER

CHECKPOINTTABLE GGS_OWNER.CHKPTAB

ggsci> stop mgr
Create a Primary Extract Group

ggsci> ADD EXTRACT ext2, TRANLOG, BEGIN NOW

ggsci> ADD RMTTRAIL /u01/ggt_target/dirdat/rt, EXTRACT EXT2

ggsci> EDIT PARAMS ext2

###add the following lines in params file###

EXTRACT ext2

USERID ggs_owner, PASSWORD ggs_owner

RMTHOST targethost, MGRPORT 7809

RMTTRAIL /u01/ggt_target/dirdat/rt

TABLE test.myobj;

 Create a Replicate Group

ggsci> DBLOGIN USERID ggs_owner, PASSWORD ggs_owner

ggsci> ADD CHECKPOINTTABLE GGS_OWNER.CHKPTAB

ggsci> ADD REPLICAT rep2, EXTTRAIL /u01/ggt_target/dirdat/rt CHECKPOINTTABLE CHKPTAB

ggsci> edit params rep2

###add the following lines in params file####

REPLICAT rep2

ASSUMETARGETDEFS

USERID ggs_owner, PASSWORD ggs_owner

MAP test.myobj, TARGET test.myobj;
Start extract and check status

ggsci> START EXTRACT ext2

ggsci> status extract ext2

ggsci> info extract ext2, detail

 Start replicat and check status

ggsci> START replicat rep2

ggsci> status replicate ext2

ggsci> info replicat ext2, detail
Perform any DML Operation

delete from test.myobj where rownum < 1000;

commit;

    
Check the data select count(*) from myobj; Check the Data select count(*) from myobj;