Oracle 11g 單實例到單實例OGG同步實施文檔-OGG initial load
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Oracle 11g 單實例到單實例OGG同步實施文檔-OGG initial load
2018-06-07 00:514730原創GoldenGate 作者： leo 本文鏈接：https://www.cndba.cn/leo1990/article/28371.環境介紹
| 類別 | 源端 | 目標端 |
|---|---|---|
| 數據庫類型 | 單實例 | 單實例 |
| 數據庫版本 | 11.2.0.4 | 11.2.0.4 |
| ORACLE_SID | cndba | cndba |
| DB_NAME | cndba | cndba |
| 主機IP地址 | 192.168.1.85 | 192.168.1.86 |
| OS版本 | RedHat 6.7 | RedHat 6.7 |
| OGG版本 | 11.2.1.0.1 64位 | 11.2.1.0.1 64位 |
| 主機名 | cndba | cndba |
2.安裝前的準備工作
2.1.源端創建GoldenGate用戶表空間
create tablespace ogg_data datafile ‘/u01/app/oracle/oradata/cndba/ogg01.dbf‘ size 100m autoextend off;
2.2.源端創建GoldenGate用戶
create user ogg identified by ogg default tablespace ogg_data; grant connect,resource,dba,create table,create sequence to ogg;
2.3.目標端創建GoldenGate用戶表空間
create tablespace ogg_data datafile ‘/u01/app/oracle/oradata/cndba/ogg01.dbf‘ size 100m autoextend off;
2.4.目標端創建GoldenGate用戶表空間
create user ogg identified by ogg default tablespace ogg_data;
grant connect,resource,dba,create table,create sequence to ogg;
2.5.源端創建測試用戶及測試數據
SQL> create user test identified by test; User created. SQL> grant connect,resource to test; Grant succeeded. SQL> conn test/test Connected. SQL> create table test (id number(10) primary key ,name varchar(8)); Table created. SQL> insert into test values(1,‘zhangsan‘); 1 row created. SQL> insert into test values(2,‘lisi‘); 1 row created. SQL> commit;
2.6.目標端創建測試用戶及測試數據
SQL> create user test identified by test;
User created.
SQL> grant connect,resource to test;
Grant succeeded.
SQL> conn test/test
Connected.
SQL> create table test (id number(10) primary key ,name varchar(8));
Table created.
目標端不需要插入數據
2.7.源端開啟歸檔模式、強制日誌、附加日誌
2.7.1.查看是否開啟歸檔模式、強制日誌、附加日誌
SQL> select LOG_MODE, SUPPLEMENTAL_LOG_DATA_MIN,FORCE_LOGGING from v$database;
LOG_MODE SUPPLEME FOR
------------ -------- ---
NOARCHIVELOG NO NO
2.7.2.開啟歸檔
[[email protected] cndba]# mkdir -p /u01/archive
[[email protected] cndba]# chown -R oracle:oinstall /u01/archive/
SQL> archive log list
Database log mode No Archive Mode
Automatic archival Disabled
Archive destination /u01/app/oracle/product/11.2.0/db_1/dbs/arch
Oldest online log sequence 5
Current log sequence 7
SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup mount
ORACLE instance started.
Total System Global Area 1060585472 bytes
Fixed Size 2260000 bytes
Variable Size 905970656 bytes
Database Buffers 146800640 bytes
Redo Buffers 5554176 bytes
Database mounted.
SQL> alter database archivelog;
Database altered.
SQL> alter database open;
Database altered.
SQL> alter system set log_archive_dest_1=‘location=/u01/archive‘;
System altered.
SQL> archive log liset
SP2-0718: illegal ARCHIVE LOG option
SQL> archive log list
Database log mode Archive Mode
Automatic archival Enabled
Archive destination /u01/archive
Oldest online log sequence 5
Next log sequence to archive 7
Current log sequence 7
2.7.3.開啟強制日誌
SQL> alter database force logging;
Database altered.
2.7.4.開啟附加日誌
SQL> alter database add supplemental log data;
Database altered.
2.7.5.查看是否開啟歸檔模式、強制日誌、附加日誌
SQL> select LOG_MODE, SUPPLEMENTAL_LOG_DATA_MIN,FORCE_LOGGING from v$database;
LOG_MODE SUPPLEME FOR
------------ -------- ---
ARCHIVELOG YES YES
2.7.6.查看回收站是否關閉
SQL> show parameter recycle
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
buffer_pool_recycle string
db_recycle_cache_size big integer 0
recyclebin string on
SQL> alter system set recyclebin=off scope=spfile;
System altered.
--重啟數據庫查看
SQL> show parameter recycle
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
buffer_pool_recycle string
db_recycle_cache_size big integer 0
recyclebin string OFF
3.GoldenGate安裝
3.1.源端安裝OGG
3.1.1.創建軟件安裝目錄並賦權
[[email protected] software]# mkdir -p /u01/app/oracle/ogg
[[email protected] software]# chown -R oracle:oinstall /u01/app/oracle/ogg
3.1.2.配置oracle用戶環境變量
[[email protected] ~]$ vi .bash_profile
設置Library 路徑
假設OGG的安裝目錄是/u01/app/oracle/ogg，那麽在/home/oracle/.bash_profile文件裏添加如下內容：
export OGG_HOME=$ORACLE_BASE/ogg
export PATH=$ORACLE_HOME/bin:$PATH:$OGG_HOME
export LD_LIBRARY_PATH=$ORACLE_HOME/lib:$OGG_HOME:/lib:/usr/lib
--source 使修改生效：
[[email protected] ~]$ source .bash_profile
3.1.3.解壓ogg文件
[[email protected] software]# cd /software/
[[email protected] software]# unzip ogg112101_fbo_ggs_Linux_x64_ora11g_64bit.zip
[[email protected] software]# tar -xvf fbo_ggs_Linux_x64_ora11g_64bit.tar -C /u01/app/oracle/ogg
[[email protected] ogg]# chown -R oracle:oinstall /u01/app/oracle/ogg
註意：/u01/app/oracle/ogg 是$OGG_HOME
3.1.4.運行ogg並創建目錄
[[email protected] ~]$ cd $OGG_HOME
[[email protected] ogg]$ ./ggsci
Oracle GoldenGate Command Interpreter for Oracle
Version 11.2.1.0.1 OGGCORE_11.2.1.0.1_PLATFORMS_120423.0230_FBO
Linux, x64, 64bit (optimized), Oracle 11g on Apr 23 2012 08:32:14
Copyright (C) 1995, 2012, Oracle and/or its affiliates. All rights reserved.
GGSCI (cndba) 1> create subdirs
Creating subdirectories under current directory /u01/app/oracle/ogg
Parameter files /u01/app/oracle/ogg/dirprm: already exists
Report files /u01/app/oracle/ogg/dirrpt: created
Checkpoint files /u01/app/oracle/ogg/dirchk: created
Process status files /u01/app/oracle/ogg/dirpcs: created
SQL script files /u01/app/oracle/ogg/dirsql: created
Database definitions files /u01/app/oracle/ogg/dirdef: created
Extract data files /u01/app/oracle/ogg/dirdat: created
Temporary files /u01/app/oracle/ogg/dirtmp: created
Stdout files /u01/app/oracle/ogg/dirout: created
3.2.目標端安裝OGG
3.2.1.創建軟件安裝目錄並賦權
[[email protected] software]# mkdir -p /u01/app/oracle/ogg
[[email protected] software]# chown -R oracle:oinstall /u01/app/oracle/ogg
3.2.2.配置oracle用戶環境變量
[[email protected] ~]$ vi .bash_profile
設置Library 路徑
假設OGG的安裝目錄是/u01/app/oracle/ogg，那麽在/home/oracle/.bash_profile文件裏添加如下內容：
export OGG_HOME=$ORACLE_BASE/ogg
export PATH=$ORACLE_HOME/bin:$PATH:$OGG_HOME
export LD_LIBRARY_PATH=$ORACLE_HOME/lib:$OGG_HOME:/lib:/usr/lib
--source 使修改生效：
[[email protected] ~]$ source .bash_profile
3.2.3.解壓ogg文件
[[email protected] software]# cd /software/
[[email protected] software]# unzip ogg112101_fbo_ggs_Linux_x64_ora11g_64bit.zip
[[email protected] software]# tar -xvf fbo_ggs_Linux_x64_ora11g_64bit.tar -C /u01/app/oracle/ogg
[[email protected] ogg]# chown -R oracle:oinstall /u01/app/oracle/ogg
註意：/u01/app/oracle/ogg 是$OGG_HOME
3.2.4.運行ogg並創建目錄
[[email protected] ~]$ cd $OGG_HOME
[[email protected] ogg]$ ./ggsci
Oracle GoldenGate Command Interpreter for Oracle
Version 11.2.1.0.1 OGGCORE_11.2.1.0.1_PLATFORMS_120423.0230_FBO
Linux, x64, 64bit (optimized), Oracle 11g on Apr 23 2012 08:32:14
Copyright (C) 1995, 2012, Oracle and/or its affiliates. All rights reserved.
GGSCI (cndba) 1> create subdirs
Creating subdirectories under current directory /u01/app/oracle/ogg
Parameter files /u01/app/oracle/ogg/dirprm: already exists
Report files /u01/app/oracle/ogg/dirrpt: created
Checkpoint files /u01/app/oracle/ogg/dirchk: created
Process status files /u01/app/oracle/ogg/dirpcs: created
SQL script files /u01/app/oracle/ogg/dirsql: created
Database definitions files /u01/app/oracle/ogg/dirdef: created
Extract data files /u01/app/oracle/ogg/dirdat: created
Temporary files /u01/app/oracle/ogg/dirtmp: created
Stdout files /u01/app/oracle/ogg/dirout: created
4.GoldenGate配置
4.1.OGG源端配置
4.1.1.配置mgr進程
GGSCI (cndba) 3> edit params mgr
GGSCI (cndba) 4> view params mgr
port 7809
GGSCI (cndba) 5> start mgr
Manager started.
GGSCI (cndba) 6> info all
Program Status Group Lag at Chkpt Time Since Chkpt
MANAGER RUNNING
GGSCI (cndba) 7> sh netstat -ntpl |grep 7809 --查看7809端口是否啟用
(Not all processes could be identified, non-owned process info
will not be shown, you would have to be root to see it all.)
tcp 0 0 :::7809 :::* LISTEN 14176/./mgr
GGSCI (cndba) 8> sh ps -ef|grep mgr --查看mgr進程是否存在
root 14 2 0 13:24 ? 00:00:00 [async/mgr]
postfix 1867 1860 0 13:26 ? 00:00:00 qmgr -l -t fifo -u
oracle 14176 14114 0 15:43 ? 00:00:00 ./mgr PARAMFILE /u01/app/oracle/ogg/dirprm/mgr.p
oracle 14185 14114 0 15:44 pts/0 00:00:00 sh -c ps -ef|grep mgr
oracle 14187 14185 0 15:44 pts/0 00:00:00 grep mgr
4.1.2.添加表級transdata
GGSCI (cndba) 10> dblogin userid ogg,password ogg
Successfully logged into database.
查看是否開啟
GGSCI (cndba) 11> info trandata test.test
GGSCI (cndba) 11> add trandata test.*
Logging of supplemental redo data enabled for table TEST.TEST.
註意：為了方便這裏直接添加整個用戶下表級transdata，如果只是同步部分表的，請批量
執行add trandata test.tablename
4.1.3.配置extract抽取進程
GGSCI (cndba) 13> dblogin userid ogg,password ogg
Successfully logged into database.
GGSCI (cndba) 14> add extract ext1, tranlog, begin now, threads 1
EXTRACT added.
GGSCI (cndba) 15> add exttrail ./dirdat/et, extract ext1
EXTTRAIL added.
GGSCI (cndba) 16> edit params ext1
GGSCI (cndba) 17> view params ext1
EXTRACT ext1
SETENV (NLS_LANG="AMERICAN_AMERICA.ZHS16GBK") --此處數據庫字符集設為一致
--SETENV (ORACLE_SID = "cndba")
SETENV (ORACLE_HOME = /u01/app/oracle/product/11.2.0/db_1)
USERID ogg, PASSWORD ogg
THREADOPTIONS MAXCOMMITPROPAGATIONDELAY 20000
EXTTRAIL ./dirdat/et
DYNAMICRESOLUTION
--DDL INCLUDE ALL
TABLE test.*;
4.1.4.配置pump傳輸進程
GGSCI (cndba) 18> add extract pump1,exttrailsource ./dirdat/et,begin now
EXTRACT added.
GGSCI (cndba) 19> add rmttrail ./dirdat/et,extract pump1
RMTTRAIL added.
GGSCI (cndba) 20> edit params pump1
GGSCI (cndba) 21> view params pump1
EXTRACT pump1
RMTHOST 192.168.1.86, MGRPORT 7809
RMTTRAIL ./dirdat/et
PASSTHRU
DYNAMICRESOLUTION
TABLE test.*;
GGSCI (cndba) 22> info all
Program Status Group Lag at Chkpt Time Since Chkpt
MANAGER RUNNING
EXTRACT STOPPED EXT1 00:00:00 00:18:00
EXTRACT STOPPED PUMP1 00:00:00 00:04:07
4.2.OGG目標端配置
4.2.1.添加GLOBALS參數文件，創新檢查點表
GGSCI (cndba) 7> edit params ./GLOBALS
GGSCI (cndba) 8> view params ./GLOBALS
--添加以下內容：
GGSCHEMA ogg
checkpointtable ogg.checkpoint
GGSCI (cndba) 9> dblogin userid ogg,password ogg
Successfully logged into database.
GGSCI (cndba) 10> add checkpointtable ogg.checkpoint
Successfully created checkpoint table ogg.checkpoint.
4.2.2.配置mgr進程
GGSCI (cndba) 3> edit params mgr
GGSCI (cndba) 4> view params mgr
port 7809
GGSCI (cndba) 5> start mgr
Manager started.
GGSCI (cndba) 6> info all
Program Status Group Lag at Chkpt Time Since Chkpt
MANAGER RUNNING
GGSCI (cndba) 7> sh netstat -ntpl |grep 7809 --查看7809端口是否啟用
(Not all processes could be identified, non-owned process info
will not be shown, you would have to be root to see it all.)
tcp 0 0 :::7809 :::* LISTEN 14176/./mgr
GGSCI (cndba) 8> sh ps -ef|grep mgr --查看mgr進程是否存在
root 14 2 0 13:24 ? 00:00:00 [async/mgr]
postfix 1867 1860 0 13:26 ? 00:00:00 qmgr -l -t fifo -u
oracle 14176 14114 0 15:43 ? 00:00:00 ./mgr PARAMFILE /u01/app/oracle/ogg/dirprm/mgr.p
oracle 14185 14114 0 15:44 pts/0 00:00:00 sh -c ps -ef|grep mgr
oracle 14187 14185 0 15:44 pts/0 00:00:00 grep mgr
4.2.3.配置replicat復制進程
GGSCI (cndba) 11> add replicat rep1, exttrail ./dirdat/et, checkpointtable ogg.checkpoint
REPLICAT added.
GGSCI (cndba) 12> edit params rep1
GGSCI (cndba) 13> view params rep1
REPLICAT rep1
setenv (ORACLE_SID=cndba)
SETENV (ORACLE_HOME = "/u01/app/oracle/product/11.2.0/db_1")
USERID ogg,PASSWORD ogg
ASSUMETARGETDEFS
HANDLECOLLISIONS
REPERROR (DEFAULT, DISCARD)
DDLERROR DEFAULT DISCARD
DDLOPTIONS REPORT
DISCARDFILE ./dirrpt/repr1.dsc,append,megabytes 100
MAP test.*, TARGET test.*;
5.初始化數據-initial load
5.1.啟動生產端和容災端的管理進程
--源端
[[email protected] ogg]$ cd /u01/app/oracle/ogg
[[email protected] ogg]$ ./ggsci
GGSCI (cndba) 1> start mgr
Manager started.
GGSCI (cndba) 1> info all
Program Status Group Lag at Chkpt Time Since Chkpt
MANAGER RUNNING
EXTRACT STOPPED EXT1 00:00:00 00:40:35
EXTRACT STOPPED PUMP1 00:00:00 00:26:42
--目標端
[[email protected] ~]$ cd /u01/app/oracle/ogg
[[email protected] ogg]$ ./ggsci
GGSCI (host1) 1> start mgr
Manager started.
GGSCI (cndba) 14> info all
Program Status Group Lag at Chkpt Time Since Chkpt
MANAGER RUNNING
REPLICAT STOPPED REP1 00:00:00 00:11:22
5.2.源端初始化抽取的配置
GGSCI (cndba) 6> edit params extinit
添加以下內容：
EXTRACT extinit
userid ogg , password ogg
RMTHOST 192.168.1.86 , MGRPORT 7809
RMTTASK replicat,GROUP repinit --目標端replicat
TABLE test.* ;
---------添加初始化Extract 進程---------------
ADD EXTRACT extinit, SOURCEISTABLE
5.3.目標端初始化復制的配置
GGSCI (host1) 11> edit params repinit
添加以下內容：
REPLICAT repinit
USERID ogg, PASSWORD ogg
ASSUMETARGETDEFS
MAP test.* , target test.* ;
---------添加初始化Replicat 進程---------------
ADD REPLICAT repinit, SPECIALRUN
5.4.啟動源端的EXTRACT進程
GGSCI (cndba) 2> start ext1
Sending START request to MANAGER ...
EXTRACT EXT1 starting
GGSCI (cndba) 4> start pump1
Sending START request to MANAGER ...
EXTRACT PUMP1 starting
GGSCI (cndba) 5> info all
Program Status Group Lag at Chkpt Time Since Chkpt
MANAGER RUNNING
EXTRACT RUNNING EXT1 00:00:00 00:00:03
EXTRACT RUNNING PUMP1 00:00:00 00:28:57
5.5.啟動生產端的抽取進程
啟動生產端的批量抽取進程start extinit，不需要啟動repinit 進程，
MGR 會自動啟動它，等同步結束，他會自動關閉：
啟動生產端的抽取進程start extinit：
GGSCI (cndba) 31> start extinit
Sending START request to MANAGER ...
EXTRACT EXTINIT starting
5.6.在源端view report extinit 直到load 結束，然後做下一步
源端查看日誌
[[email protected] ogg]# tail -f ggserr.log
2018-06-06 23:06:12 INFO OGG-00963 Oracle GoldenGate Manager for Oracle, mgr.prm: Command received from GGSCI on host cndba (START EXTRACT EXTINIT ).
2018-06-06 23:06:12 INFO OGG-00975 Oracle GoldenGate Manager for Oracle, mgr.prm: EXTRACT EXTINIT starting.
2018-06-06 23:06:12 INFO OGG-01017 Oracle GoldenGate Capture for Oracle, extinit.prm: Wildcard resolution set to IMMEDIATE because SOURCEISTABLE is used.
2018-06-06 23:06:12 INFO OGG-00992 Oracle GoldenGate Capture for Oracle, extinit.prm: EXTRACT EXTINIT starting.
2018-06-06 23:06:12 INFO OGG-03035 Oracle GoldenGate Capture for Oracle, extinit.prm: Operating system character set identified as UTF-8. Locale: en_US, LC_ALL:.
2018-06-06 23:06:13 INFO OGG-01815 Oracle GoldenGate Capture for Oracle, extinit.prm: Virtual Memory Facilities for: COM
anon alloc: mmap(MAP_ANON) anon free: munmap
file alloc: mmap(MAP_SHARED) file free: munmap
target directories:
/u01/app/oracle/ogg/dirtmp.
2018-06-06 23:06:13 INFO OGG-00993 Oracle GoldenGate Capture for Oracle, extinit.prm: EXTRACT EXTINIT started.
2018-06-06 23:06:41 INFO OGG-00991 Oracle GoldenGate Capture for Oracle, extinit.prm: EXTRACT EXTINIT stopped normally.
目標端查看數據已經初始化
SQL> select * from test;
ID NAME
---------- --------
1 zhangsan
2 lisi
5.7.在容災端啟動投遞進程start rep1
GGSCI (cndba) 7> start rep1
Sending START request to MANAGER ...
REPLICAT REP1 starting
GGSCI (cndba) 8> info all
Program Status Group Lag at Chkpt Time Since Chkpt
MANAGER RUNNING
REPLICAT RUNNING REP1 00:00:00 00:00:01
GGSCI (cndba) 9> info rep1
REPLICAT REP1 Last Started 2018-06-06 23:10 Status RUNNING
Checkpoint Lag 00:00:00 (updated 00:00:07 ago)
Log Read Checkpoint File ./dirdat/et000001
2018-06-06 22:45:16.054664 RBA 1209
5.8.關掉沖突檢查選項SEND REPLICAT rep1, NOHANDLECOLLISIONS
GGSCI (cndba) 10> SEND REPLICAT rep1, NOHANDLECOLLISIONS
Sending NOHANDLECOLLISIONS request to REPLICAT REP1 ...
REP1 No tables found matching * to set NOHANDLECOLLISIONS
.
5.9.去掉rep1 文件中的HANDLECOLLISIONS 參數
GGSCI (host1) 58> view params rep1
--HANDLECOLLISIONS
6.檢查同步是否正常
6.1.DML測試
--檢查目標端數據是否正常
GGSCI (cndba) 4> info all
Program Status Group Lag at Chkpt Time Since Chkpt
MANAGER RUNNING
REPLICAT RUNNING REP1 00:00:00 00:00:06
SQL> select * from test;
ID NAME
---------- --------
1 zhangsan
2 lisi
--源端表中添加數據
SQL> insert into test values(3,‘wanger‘);
1 row created.
SQL> commit;
Commit complete.
SQL> select * from test;
ID NAME
---------- --------
1 zhangsan
2 lisi
3 wanger
--目標端查看
SQL> select * from test;
ID NAME
---------- --------
1 zhangsan
2 lisi
3 wanger
可以看到可以同步過來的。
7.開啟DDL
7.1.添加參數
GGSCI (cndba) 8> edit params ./GLOBALS
GGSCI (cndba) 9> view params ./GLOBALS
GGSCHEMA ogg
7.2.在源端執行與DDL同步相關的SQL腳本
切記@marker_setup.sql 一定要在cd $OGG_HOME目錄下執行否則會卡主。執行腳本時要輸入ogg管理用戶，本實例是ogg。
cd /u01/app/oracle/ogg
sqlplus / as sysdba
grant execute on utl_file to ogg;
@marker_setup.sql
@ddl_setup.sql
@role_setup.sql
grant GGS_GGSUSER_ROLE to ogg;
@ddl_enable.sql
@ddl_pin ogg
@marker_status
7.3.源端extract 配置
GGSCI (cndba) 12> edit params ext1
GGSCI (cndba) 16> view params ext1
EXTRACT ext1
SETENV (NLS_LANG="AMERICAN_AMERICA.ZHS16GBK") --此處數據庫字符集設為一致
--SETENV (ORACLE_SID = "cndba")
SETENV (ORACLE_HOME = /u01/app/oracle/product/11.2.0/db_1)
USERID ogg, PASSWORD ogg
THREADOPTIONS MAXCOMMITPROPAGATIONDELAY 20000
EXTTRAIL ./dirdat/et
DYNAMICRESOLUTION
DDL INCLUDE ALL
TABLE test.*;
重啟extract進程
GGSCI (cndba) 13> stop ext1
Sending STOP request to EXTRACT EXT1 ...
Request processed.
GGSCI (cndba) 14> start ext1
Sending START request to MANAGER ...
EXTRACT EXT1 starting
7.4.目標端replicat 配置
GGSCI (cndba) 8> edit params rep1
GGSCI (cndba) 9> view params rep1
REPLICAT rep1
setenv (ORACLE_SID=cndba)
SETENV (ORACLE_HOME = "/u01/app/oracle/product/11.2.0/db_1")
USERID ogg,PASSWORD ogg
ASSUMETARGETDEFS
HANDLECOLLISIONS
REPERROR (DEFAULT, DISCARD)
DDLERROR DEFAULT DISCARD
DDLOPTIONS REPORT
DISCARDFILE ./dirrpt/repr1.dsc,append,megabytes 100
MAP test.*, TARGET test.*;
ddl include all
ddlerror default ignore retryop maxretries 3 retrydelay 5
重啟replicat進程
GGSCI (cndba) 10> stop rep1
Sending STOP request to REPLICAT REP1 ...
Request processed.
GGSCI (cndba) 11> start rep1
Sending START request to MANAGER ...
REPLICAT REP1 starting
7.5.DDL測試
--源端：
SQL> create table test1 (id number(10) primary key ,name varchar(8));
Table created.
SQL> insert into test1 values(1,‘zhangsan‘);
1 row created.
SQL> commit;
Commit complete.
--目標端：
SQL> desc test1
Name Null? Type
----------------------------------------- -------- ----------------------------
ID NOT NULL NUMBER(10)
NAME VARCHAR2(8)
SQL> select * from test1;
ID NAME
---------- --------
1 zhangsan
Oracle 11g 單實例到單實例OGG同步實施文檔-OGG initial load