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/28361.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
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