Oracle 11g 单实例到单实例OGG同步实施文档-EXPDP初始化

Oracle 11g 单实例到单实例OGG同步实施文档-EXPDP初始化

2018-06-07 00:446470原创GoldenGate

作者： leo

本文链接：https://www.cndba.cn/leo1990/article/2836

1.环境介绍

类别	源端	目标端
数据库类型	单实例	单实例
数据库版本	11.2.0.4	11.2.0.4
ORACLE_SID	cndba	cndba
DB_NAME	cndba	cndba
主机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
主机名	cndba	cndba

2.安装前的准备工作

2.1.源端创建GoldenGate用户表空间

create tablespace ogg_data datafile '/u01/app/oracle/oradata/cndba/ogg01.dbf' size 100m autoextend off;

2.2.源端创建GoldenGate用户

create user ogg identified by ogg default tablespace ogg_data;
grant connect,resource,dba,create table,create sequence to ogg;

2.3.目标端创建GoldenGate用户表空间

create tablespace ogg_data datafile '/u01/app/oracle/oradata/cndba/ogg01.dbf' size 100m autoextend off;

2.4.目标端创建GoldenGate用户表空间

create user ogg identified by ogg default tablespace ogg_data;
grant connect,resource,dba,create table,create sequence to ogg;

2.5.源端创建测试用户及测试数据

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.目标端创建测试用户及测试数据

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.
目标端不需要插入数据

2.7.源端开启归档模式、强制日志、附加日志

2.7.1.查看是否开启归档模式、强制日志、附加日志

SQL> select LOG_MODE, SUPPLEMENTAL_LOG_DATA_MIN,FORCE_LOGGING from v$database;

LOG_MODE     SUPPLEME FOR
------------ -------- ---
NOARCHIVELOG NO       NO

2.7.2.开启归档

[root@www.cndba.cn cndba]# mkdir -p /u01/archive
[root@www.cndba.cn 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.开启强制日志

SQL> alter database force logging;
Database altered.

2.7.4.开启附加日志

SQL> alter database add supplemental log data; 

Database altered.

2.7.5.查看是否开启归档模式、强制日志、附加日志

SQL> select LOG_MODE, SUPPLEMENTAL_LOG_DATA_MIN,FORCE_LOGGING from v$database;

LOG_MODE     SUPPLEME FOR
------------        --------    ---
ARCHIVELOG     YES      YES

2.7.6.查看回收站是否关闭

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.
--重启数据库查看
SQL> show parameter recycle

NAME     TYPE VALUE
------------------------------------ ----------- ------------------------------
buffer_pool_recycle     string
db_recycle_cache_size     big integer 0
recyclebin     string OFF

3.GoldenGate安装

3.1.源端安装OGG

3.1.1.创建软件安装目录并赋权

[root@www.cndba.cn software]# mkdir -p /u01/app/oracle/ogg
[root@www.cndba.cn software]# chown -R oracle:oinstall /u01/app/oracle/ogg

3.1.2.配置oracle用户环境变量

[oracle@www.cndba.cn ~]$ vi .bash_profile
设置Library 路径
假设OGG的安装目录是/u01/app/oracle/ogg，那么在/home/oracle/.bash_profile文件里添加如下内容：
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：
[oracle@www.cndba.cn ~]$ source .bash_profile

3.1.3.解压ogg文件

[root@www.cndba.cn software]# cd /software/
[root@www.cndba.cn software]# unzip ogg112101_fbo_ggs_Linux_x64_ora11g_64bit.zip
[root@www.cndba.cn software]# tar -xvf fbo_ggs_Linux_x64_ora11g_64bit.tar -C /u01/app/oracle/ogg
[root@www.cndba.cn ogg]# chown -R oracle:oinstall /u01/app/oracle/ogg
注意：/u01/app/oracle/ogg 是$OGG_HOME

3.1.4.运行ogg并创建目录

[oracle@www.cndba.cn ~]$ cd $OGG_HOME
[oracle@www.cndba.cn ogg]$ ./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.目标端安装OGG

3.2.1.创建软件安装目录并赋权

[root@www.cndba.cn software]# mkdir -p /u01/app/oracle/ogg
[root@www.cndba.cn software]# chown -R oracle:oinstall /u01/app/oracle/ogg

3.2.2.配置oracle用户环境变量

[oracle@www.cndba.cn ~]$ vi .bash_profile
设置Library 路径
假设OGG的安装目录是/u01/app/oracle/ogg，那么在/home/oracle/.bash_profile文件里添加如下内容：
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：
[oracle@www.cndba.cn ~]$ source .bash_profile

3.2.3.解压ogg文件

[root@www.cndba.cn software]# cd /software/
[root@www.cndba.cn software]# unzip ogg112101_fbo_ggs_Linux_x64_ora11g_64bit.zip
[root@www.cndba.cn software]# tar -xvf fbo_ggs_Linux_x64_ora11g_64bit.tar -C /u01/app/oracle/ogg
[root@www.cndba.cn ogg]# chown -R oracle:oinstall /u01/app/oracle/ogg
注意：/u01/app/oracle/ogg 是$OGG_HOME

3.2.4.运行ogg并创建目录

[oracle@www.cndba.cn ~]$ cd $OGG_HOME
[oracle@www.cndba.cn ogg]$ ./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进程

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端口是否启用

(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进程是否存在

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.添加表级transdata

GGSCI (cndba) 10> dblogin userid ogg,password ogg
Successfully logged into database.
查看是否开启
GGSCI (cndba) 11>  info trandata test.test
GGSCI (cndba) 11>  add trandata test.*
Logging of supplemental redo data enabled for table TEST.TEST.
注意：为了方便这里直接添加整个用户下表级transdata，如果只是同步部分表的，请批量
执行add trandata test.tablename

4.1.3.配置extract抽取进程

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") --此处数据库字符集设为一致
--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传输进程

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目标端配置

4.2.1.添加GLOBALS参数文件，创新检查点表

GGSCI (cndba) 7> edit params ./GLOBALS

GGSCI (cndba) 8> view params ./GLOBALS
--添加以下内容：
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进程

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端口是否启用

(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进程是否存在

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复制进程

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.初始化数据-EXPDP

5.1.启动生产端和容灾端的管理进程

--源端
[oracle@www.cndba.cn ogg]$ cd /u01/app/oracle/ogg
[oracle@www.cndba.cn 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
--目标端
[oracle@host1 ~]$ cd /u01/app/oracle/ogg
[oracle@host1 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.启动源端的EXTRACT进程

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

5.3.查看数据库中所有事务的开始时间

查看数据库中所有事务的开始时间，直到其大于抽取进程的启动时间再开始备份数
据库，因为GoldenGate 的只获取在Extract 启动以后的交易变化，在Extract 启动之
前开始而在Extract 启动以后才完成的交易GoldenGate 将会忽略这些交易，这些被忽
略的交易数据就会丢失。所以需要等数据库中所以的交易都在Extract 启动之后开始
的才能开始备份数据库。通过v$transaction 视图来查看数据库中的交易：
SQL> select * from v$transaction;

no rows selected

这里是测试环境没有事物，可以进行后面的备份了。

5.4.EXPDP 备份源端数据库

当所有在Extract 启动之前的开始的交易都完成后，我们就可以使用expdp 备份生产
端的数据库了。备份数据库的过程中一定要密切监控Extract 进程的状态，保证其一
直正常运行：https://www.cndba.cn/leo1990/article/2836https://www.cndba.cn/leo1990/article/2836

https://www.cndba.cn/leo1990/article/2836

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5.4.1.源端查询当前数据库SCN

[root@www.cndba.cn ~]# mkdir /backup
[root@www.cndba.cn ~]# chown -R oracle:oinstall /backup
SQL> create or replace directory dump_dir as '/backup';

Directory created.

SQL> select current_scn from v$database;

CURRENT_SCN
-----------
 1014991
或者
SQL> select to_char(dbms_flashback.get_system_change_number) from dual;

TO_CHAR(DBMS_FLASHBACK.GET_SYSTEM_CHANGE
----------------------------------------
1014991

5.4.2.备份源端数据库

[oracle@www.cndba.cn ~]$ expdp  system/oracle directory=dump_dir dumpfile=sender_%U.dmp logfile=user.log schemas=test parallel=2  flashback_scn= 1014991
…..
Dump file set for SYSTEM.SYS_EXPORT_SCHEMA_01 is:
  /backup/sender_01.dmp
  /backup/sender_02.dmp
Job "SYSTEM"."SYS_EXPORT_SCHEMA_01" successfully completed at Wed Jun 6 16:46:26 2018 elapsed 0 00:00:36

5.4.3.将备份文件传到目标端

目标端创建备份目录
[root@www.cndba.cn ~]# mkdir /backup
源端数据库传输到目标端
[oracle@www.cndba.cn backup]$ scp sender_0* 192.168.1.86:/backup/
在目标端给备份文件授权
[root@www.cndba.cn ~]# chown -R oracle:oinstall /backup/

5.5.IMPDP 初始化数据

5.5.1.Impdp 数据

SQL> create or replace directory dump_dir as '/backup';

Directory created.

[oracle@www.cndba.cn dirprm]$ impdp system/oracle directory=dump_dir dumpfile= sender_%U.dmp logfile=user.log  parallel=2  table_exists_action=replace SCHEMAS=test
……
. . imported "TEST"."TEST"                               5.460 KB       2 rows
Processing object type SCHEMA_EXPORT/TABLE/CONSTRAINT/CONSTRAINT
Job "SYSTEM"."SYS_IMPORT_SCHEMA_01" completed with 1 error(s) at Wed Jun 6 16:56:10 2018 elapsed 0 00:00:05

5.5.2.用SCN 启动Replicat

[oracle@www.cndba.cn ogg]$ cd $OGG_HOME
[oracle@www.cndba.cn ogg]$ ./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> start rep1, aftercsn 1014991

Sending START request to MANAGER ...
REPLICAT REP1 starting

GGSCI (cndba) 2> info all

Program     Status      Group       Lag at Chkpt  Time Since Chkpt

MANAGER     RUNNING
REPLICAT    RUNNING     REP1        00:00:00      00:00:02

6.检查同步是否正常

6.1.DML测试

--检查目标端数据是否正常
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
--源端表中添加数据
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
--目标端查看
SQL> select * from test;
ID NAME
---------- --------
 1 zhangsan
 2 lisi
 3 wanger
可以看到可以同步过来的。

7.开启DDL

7.1.添加参数

GGSCI (cndba) 8> edit params ./GLOBALS
GGSCI (cndba) 9> view params ./GLOBALS

GGSCHEMA ogg

7.2.在源端执行与DDL同步相关的SQL脚本

切记@marker_setup.sql 一定要在cd $OGG_HOME目录下执行否则会卡主。执行脚本时要输入ogg管理用户，本实例是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") --此处数据库字符集设为一致
--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.*;
重启extract进程
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.目标端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
重启replicat进程
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测试

--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.
--目标端：
SQL> desc test1
 Name   Null?    Type
 ----------------------------------------- -------- ----------------------------
 ID   NOT NULL NUMBER(10)
 NAME    VARCHAR2(8)

SQL> select * from test1;

ID NAME
---------- --------
 1 zhangsan