在上一篇檔案中的OGG單向複製配置不支援DLL的同步，只支援DML，因而本文在之前的基礎上增加對DDL語句的複製，下面是簡要配置過程記錄！

一：驗證之前的配置不支援DDL複製，這裡在source端，新建一張表，發現無法複製到target端！target端也新建相同的表後，DML操作可以成功複製

[root@db1 ~]# su - oracle

[oracle@db1 ~]$ sqlplus hr/hr

SQL> create table t2 (id number primary key,name varchar2(20));

Table created.

SQL> conn hr/hr@db2

Connected.

SQL> select tname from tab where tname='T2';

no rows selected

SQL> create table t2 (id number primary key,name varchar2(20));

Table created.

SQL> conn hr/hr

Connected.

SQL> insert into t2 values (1,'one');

1 row created.

SQL> commit;

Commit complete.

SQL> conn hr/hr@db2

Connected.

SQL> select * from t2;

ID NAME

---------- --------------------

1 one

二：開始配置OGG支援DDL複製(在source端操作)

1：賦予ogg使用者相應的許可權，修改全域性配置檔案新增ggschema引數

SQL> conn /as sysdba

Connected.

SQL> grant execute on utl_file to ogg;

Grant succeeded.

[oracle@db1 ~]$ cd $GGATE

[oracle@db1 ogg]$ ggsci

GGSCI (db1) 1> edit param ./GLOBALS

GGSCI (db1) 2> view param ./GLOBALS

ggschema ogg

2：執行相關的sql指令碼

[oracle@db1 ~]$ cd $GGATE

[oracle@db1 ogg]$ sqlplus /nolog

SQL> conn /as sysdba

Connected.

SQL> @marker_setup.sql

Marker setup script.

You will be prompted for the name of a schema for the Oracle GoldenGate database objects.

NOTE: The schema must be created prior to running this script.

NOTE: Stop all DDL replication before starting this installation.

Enter Oracle GoldenGate schema name:ogg

Marker setup table script. complete, running verification script...

Please enter the name of a schema for the GoldenGate database objects:

Setting schema name to OGG

MARKER TABLE

-------------------------------

OK

MARKER SEQUENCE

-------------------------------

OK

Script. complete.

SQL> show parameter recyclebin;

NAME TYPE VALUE

------------------------------------ ----------- ------------------------------

recyclebin string on

SQL> alter session set recyclebin=off;

System altered.

SQL> alter system set recyclebin=off deferred;

System altered.

SQL> show parameter recyclebin;

NAME TYPE VALUE

------------------------------------ ----------- ------------------------------

recyclebin string OFF

1.回收站啟動和關閉

回收站預設是開啟的.不過我們可以透過引數recyclebin來關閉和開啟.

如果只是針對每個session可以透過alter session set recyclebin=off; 和 alter session set recyclebin=on;來關閉和開啟

如果是針對所有session可以透過修改系統引數recyclebin來實現,不過這裡要注意10g和11g有點不一樣,它們的引數型別不同

10g可以用:alter system set recyclebin=off; 和alter system set recyclebin=on;來關閉和開啟

11g可以用:alter system set recyclebin=off deferred; 和alter system set recyclebin=on deferred;來關閉和開啟

SQL> @ddl_setup.sql

Oracle GoldenGate DDL Replication setup script.

Verifying that current user has privileges to install DDL Replication...

You will be prompted for the name of a schema for the Oracle GoldenGate database objects.

NOTE: For an Oracle 10g source, the system recycle bin must be disabled. For Oracle 11g and later, it can be enabled.

NOTE: The schema must be created prior to running this script.

NOTE: Stop all DDL replication before starting this installation.

Enter Oracle GoldenGate schema name:ogg

Working, please wait ...

Spooling to file ddl_setup_spool.txt

Checking for sessions that are holding locks on Oracle Golden Gate metadata tables ...

Check complete.

Using OGG as a Oracle GoldenGate schema name.

Working, please wait ...

RECYCLEBIN must be empty.

This installation will purge RECYCLEBIN for all users.

To proceed, enter yes. To stop installation, enter no.

Enter yes or no:yes

————————其他輸出省略————————

STATUS OF DDL REPLICATION

---------------------------------------------------------------------------------------

SUCCESSFUL installation of DDL Replication software components

Script. complete.

SQL> @role_setup.sql

GGS Role setup script.

This script. will drop and recreate the role GGS_GGSUSER_ROLE

To use a different role name, quit this script. and then edit the params.sql script. to change the gg_role parameter to the preferred name. (Do not run the script.)

You will be prompted for the name of a schema for the GoldenGate database objects.

NOTE: The schema must be created prior to running this script.

NOTE: Stop all DDL replication before starting this installation.

Enter GoldenGate schema name:ogg

Wrote file role_setup_set.txt

PL/SQL procedure successfully completed.

Role setup script. complete

Grant this role to each user assigned to the Extract, GGSCI, and Manager processes, by using the following SQL command:

GRANT GGS_GGSUSER_ROLE TO

where is the user assigned to the GoldenGate processes.

SQL> grant ggs_ggsuser_role to ogg;

Grant succeeded.

SQL> @ddl_enable.sql

Trigger altered.

SQL> @?/rdbms/admin/dbmspool.sql

Package created.

Grant succeeded.

View created.

Package body created.

SQL> @ddl_pin.sql ogg

PL/SQL procedure successfully completed.

3：source端修改extract程式的params檔案，新增"ddl include all"引數，重啟extract程式

GGSCI (db1) 1> view params eora_t1

extract eora_t1

setenv (NLS_LANG=AMERICAN_AMERICA.AL32UTF8)

ddl include all

userid ogg,password ogg

exttrail ./dirdat/aa

table hr.*;

GGSCI (db1) 2> stop extract eora_t1

Sending STOP request to EXTRACT EORA_T1 ...

Request processed.

GGSCI (db1) 3> start extract eora_t1

Sending START request to MANAGER ...

EXTRACT EORA_T1 starting

GGSCI (db1) 4> info extract eora_t1

EXTRACT EORA_T1 Last Started 2012-06-20 15:42 Status RUNNING

Checkpoint Lag 00:00:00 (updated 00:00:10 ago)

Log Read Checkpoint Oracle Redo Logs

2012-06-20 15:42:58 Seqno 3, RBA 50044416

SCN 0.567478 (567478)

4：target端修改replicat程式的params檔案，新增"ddl include all"和"ddlerror default ignore retryop maxretries 3 retrydelay 5" 引數，重啟replicat程式

[root@db2 ~]# su - oracle

[oracle@db2 ~]$ cd $GGATE

[oracle@db2 ogg]$ ggsci

GGSCI (db2) 1> edit params rora_t1

GGSCI (db2) 2> view params rora_t1

replicat rora_t1

setenv (NLS_LANG=AMERICAN_AMERICA.AL32UTF8)

ddl include all

ddlerror default ignore retryop maxretries 3 retrydelay 5

userid ogg,password ogg

handlecollisions

assumetargetdefs

discardfile ./dirrpt/rora_t1.dsc,purge

map hr.* ,target hr.*;

GGSCI (db2) 3> stop replicat rora_t1

Sending STOP request to REPLICAT RORA_T1 ...

Request processed.

GGSCI (db2) 4> start replicat rora_t1

Sending START request to MANAGER ...

REPLICAT RORA_T1 starting

GGSCI (db2) 5> info replicat rora_t1

REPLICAT RORA_T1 Last Started 2012-06-20 15:50 Status RUNNING

Checkpoint Lag 00:00:00 (updated 00:00:00 ago)

Log Read Checkpoint File ./dirdat/pa000000

First Record RBA 4780973

三：測試

[oracle@db1 ogg]$ sqlplus hr/hr

SQL> alter table t2 add location varchar2(200);

Table altered.

SQL> conn hr/hr@db2

Connected.

SQL> desc t2

Name Null? Type

----------------------------------------- -------- ----------------------------

ID NOT NULL NUMBER

NAME VARCHAR2(20)

LOCATION VARCHAR2(200)

SQL> conn hr/hr

Connected.

SQL> create table t3 as select object_id,object_name from dba_objects;

Table created.

SQL> conn hr/hr@db2

Connected.

SQL> select tname from tab where tname='T3';

TNAME

------------------------------

T3

SQL> desc t3;

Name Null? Type

----------------------------------------- -------- ----------------------------

OBJECT_ID NUMBER

OBJECT_NAME VARCHAR2(128)

注：本文根據”51CTO斬月部落格“進行整理。

GoldenGate單向複製配置(支援DDL複製)

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