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【OGG】OGG的单向复制配置-支持DDL(二)

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【OGG】OGG的單向復制配置-支持DDL(二)

一.1 ?BLOG文檔結構圖

一.2 ?前言部分

一.2.1 ?導讀

各位技術愛好者，看完本文后，你可以掌握如下的技能，也可以學到一些其它你所不知道的知識，~O(∩_∩)O~：

① OGG的單向DDL實時復制功能

注意：本篇BLOG中代碼部分需要特別關注的地方我都用黃色背景和紅色字體來表示，比如下邊的例子中，thread 1的最大歸檔日志號為33，thread 2的最大歸檔日志號為43是需要特別關注的地方。

? List of Archived Logs in backup set 11

? Thrd Seq???? Low SCN??? Low Time??????????? Next SCN?? Next Time

? ---- ------- ---------- ------------------- ---------- ---------

? 1??? 32????? 1621589??? 2015-05-29 11:09:52 1625242??? 2015-05-29 11:15:48

? 1??? 33????? 1625242??? 2015-05-29 11:15:48 1625293??? 2015-05-29 11:15:58

? 2??? 42????? 1613951??? 2015-05-29 10:41:18 1625245??? 2015-05-29 11:15:49

? 2??? 43????? 1625245??? 2015-05-29 11:15:49 1625253??? 2015-05-29 11:15:53

本文如有錯誤或不完善的地方請大家多多指正，ITPUB留言或QQ皆可，您的批評指正是我寫作的最大動力。

一.2.2 ?實驗環境介紹

項目	source db	target? db
db 類型	單實例	單實例
db version	11.2.0.3	11.2.0.3
db 存儲	FS type	FS type
ORACLE_SID	ogg1	ogg2
db_name	ogg1	ogg2
主機IP地址：	192.168.59.129	192.168.59.130
OS版本及kernel版本	RHEL6.5 64位，2.6.32-504.16.2.el6.x86_64	RHEL6.5 64位，2.6.32-504.16.2.el6.x86_64
OGG版本	11.2.1.0.1 64位	11.2.1.0.1 64位
OS hostname	orcltest	rhel6_lhr

一.2.3 ?相關參考文章鏈接

【OGG】OGG的下載和安裝篇：http://blog.itpub.net/26736162/viewspace-1693241/

【OGG】OGG的單向DML復制配置(一):http://blog.itpub.net/26736162/viewspace-1696020/

一.2.4 ?本文簡介

本文基于OGG的DML復制功能，加上DDL復制功能，后續會推出系列的OGG配置，包括雙向復制，還有rac到單實例的復制等等，主要參考網址為：http://ylw6006.blog.51cto.com/all/470441/16 ，非常感謝斬月大師。

一.3 ?實驗部分

一.3.1 ?實驗目標

配置2臺服務器，搭建OGG,實現hr用戶下的數據ddl和DML復制功能。

一.3.2 ?先驗證之前的配置不支持DDL復制

驗證之前的配置不支持DDL復制，這里在source端，新建一張表，發現無法復制到target端！target端也新建相同的表后，DML操作可以成功復制。

[oracle@orcltest ~]$ sqlplus hr/hr@ogg1

SQL*Plus: Release 11.2.0.3.0 Production on Wed Jun 10 16:18:03 2015

Connected to:

Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production

With the Partitioning, OLAP, Data Mining and Real Application Testing options

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

Table created.

SQL> conn hr/hr@ogg2

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@ogg1

Connected.

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

1 row created.

SQL> commit;

Commit complete.

SQL> conn hr/hr@ogg2

Connected.

SQL> select * from t2;

??????? ID NAME

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

???????? 1 one

SQL>

此時source庫：

GGSCI (orcltest) 26> dblogin userid ggusr@ogg1,password lhr

Successfully logged into database.

GGSCI (orcltest) 29> info trandata hr.t2

Logging of supplemental redo log data is disabled for table HR.T2.

GGSCI (orcltest) 30>

一.3.3 ?開始配置OGG支持DDL復制(在source端操作)

一.3.3.1 ?賦予ggusr用戶相應的權限，修改全局配置文件添加ggschema參數

[oracle@orcltest ~]$ sqlplus sys/lhr@ogg1 as? sysdba

SQL*Plus: Release 11.2.0.3.0 Production on Wed Jun 10 16:27:05 2015

Connected to:

Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production

With the Partitioning, OLAP, Data Mining and Real Application Testing options

SQL>? grant execute on utl_file to ggusr;

Grant succeeded.

SQL>

[oracle@orcltest gg11]$ 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

GGSCI (orcltest) 1> edit param ./GLOBALS?

GGSCHEMA ggusr

。。。。。。。。。。。。。。。

"./GLOBALS" 1L, 15C written

GGSCI (orcltest) 2> view param ./GLOBALS

GGSCHEMA ggusr

GGSCI (orcltest) 3>

一.3.3.2 ?運行相關的sql腳本

如果想使用DDL功能，需要在之前運行支持DDL的相關腳本。

1.@marker_setup.sql

2.@ddl_setup.sql

3.@role_setup.sql

4.GRANT GGS_GGSUSER_ROLE TO gguser

5.@ddl_enable.sql

6.@?/rdbms/admin/dbmspool.sql?

7.@ddl_pin.sql ggusr

[oracle@orcltest gg11]$ sqlplus sys/lhr@ogg1 as? sysdba

SQL*Plus: Release 11.2.0.3.0 Production on Wed Jun 10 16:30:45 2015

Connected to:

Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production

With the Partitioning, OLAP, Data Mining and Real Application Testing options

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:ggusr

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

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

Setting schema name to GGUSR

MARKER TABLE

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

MARKER SEQUENCE

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

Script complete.

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:ggusr

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 GGUSR as a Oracle GoldenGate schema name.

Working, please wait ...

DDL replication setup script complete, running verification script...

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

Setting schema name to GGUSR

CLEAR_TRACE STATUS:

Line/pos???????????? Error

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

No errors??????????? No errors

CREATE_TRACE STATUS:

Line/pos???????????? Error

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

No errors??????????? No errors

TRACE_PUT_LINE STATUS:

Line/pos???????????? Error

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

No errors??????????? No errors

INITIAL_SETUP STATUS:

Line/pos???????????? Error

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

No errors??????????? No errors

DDLVERSIONSPECIFIC PACKAGE STATUS:

Line/pos???????????? Error

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

No errors??????????? No errors

DDLREPLICATION PACKAGE STATUS:

Line/pos???????????? Error

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

No errors??????????? No errors

DDLREPLICATION PACKAGE BODY STATUS:

Line/pos???????????? Error

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

No errors??????????? No errors

DDL IGNORE TABLE

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

DDL IGNORE LOG TABLE

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

DDLAUX? PACKAGE STATUS:

Line/pos???????????? Error

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

No errors??????????? No errors

DDLAUX PACKAGE BODY STATUS:

Line/pos???????????? Error

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

No errors??????????? No errors

SYS.DDLCTXINFO? PACKAGE STATUS:

Line/pos???????????? Error

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

No errors??????????? No errors

SYS.DDLCTXINFO? PACKAGE BODY STATUS:

Line/pos???????????? Error

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

No errors??????????? No errors

DDL HISTORY TABLE

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

DDL HISTORY TABLE(1)

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

DDL DUMP TABLES

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

DDL DUMP COLUMNS

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

DDL DUMP LOG GROUPS

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

DDL DUMP PARTITIONS

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

DDL DUMP PRIMARY KEYS

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

DDL SEQUENCE

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

GGS_TEMP_COLS

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

GGS_TEMP_UK

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

DDL TRIGGER CODE STATUS:

Line/pos???????????? Error

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

No errors??????????? No errors

DDL TRIGGER INSTALL STATUS

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

DDL TRIGGER RUNNING STATUS

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

ENABLED

STAYMETADATA IN TRIGGER

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

OFF

DDL TRIGGER SQL TRACING

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

DDL TRIGGER TRACE LEVEL

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

LOCATION OF DDL TRACE FILE

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

/u02/app/oracle/diag/rdbms/ogg1/ogg1/trace/ggs_ddl_trace.log

Analyzing installation status...

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:ggusr

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 <loggedUser>

where <loggedUser> is the user assigned to the GoldenGate processes.

SQL> grant ggs_ggsuser_role to ggusr;

Grant succeeded.

SQL> @ddl_enable.sql

Trigger altered.

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

Package created.

Grant succeeded.

SQL>? @ddl_pin.sql ggusr

PL/SQL procedure successfully completed.

SQL>

/u02/app/oracle/diag/rdbms/ogg1/ogg1/trace/ggs_ddl_trace.log 為DDL語句的日志。

一.3.4 ?source端修改extract進程的params文件，添加"ddl include all"參數，重啟extract進程

GGSCI (orcltest) 1> info all

Program???? Status????? Group?????? Lag at Chkpt? Time Since Chkpt

MANAGER???? RUNNING??????????????????????????????????????????

EXTRACT???? RUNNING???? EORA_HR???? 00:00:27????? 00:00:08???

EXTRACT???? RUNNING???? PORA_HR???? 00:00:00????? 00:00:02???

GGSCI (orcltest) 4> edit params eora_hr

extract eora_hr

setenv (ORACLE_SID=ogg1)

setenv (ORACLE_HOME=/u02/app/oracle/product/11.2.0/dbhome_1)

setenv (NLS_LANG=AMERICAN_AMERICA.ZHS16GBK)

ddl include all

userid ggusr,password lhr

exttrail ./dirdat/hr

table hr.*;

。。。。。。。。。。。。

"dirprm/eora_hr.prm" 8L, 229C written

GGSCI (orcltest) 5> view params eora_hr

extract eora_hr?

setenv (ORACLE_SID=ogg1)

setenv (ORACLE_HOME=/u02/app/oracle/product/11.2.0/dbhome_1)

setenv (NLS_LANG=AMERICAN_AMERICA.ZHS16GBK)?

ddl include all

userid ggusr,password lhr

exttrail ./dirdat/hr?

table hr.*;

GGSCI (orcltest) 6> stop eora_hr

Sending STOP request to EXTRACT EORA_HR ...

Request processed.

GGSCI (orcltest) 7> start eora_hr

Sending START request to MANAGER ...

EXTRACT EORA_HR starting

GGSCI (orcltest) 8> info all

Program???? Status????? Group?????? Lag at Chkpt? Time Since Chkpt

MANAGER???? RUNNING??????????????????????????????????????????

EXTRACT???? RUNNING???? EORA_HR???? 00:00:00????? 00:00:07???

EXTRACT???? RUNNING???? PORA_HR???? 00:00:00????? 00:00:09???

GGSCI (orcltest) 9>

GGSCI (orcltest) 9> view report EORA_HR

***********************************************************************

???????????????? Oracle GoldenGate Capture 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 08:42:16

??????????????????? Starting at 2015-06-10 16:41:04

***********************************************************************

Operating System Version:

Linux

Version #1 SMP Sun Nov 10 22:19:54 EST 2013, Release 2.6.32-431.el6.x86_64

Node: orcltest

Machine: x86_64

???????????????????????? soft limit?? hard limit

Address Space Size?? :??? unlimited??? unlimited

Heap Size??????????? :??? unlimited??? unlimited

File Size??????????? :??? unlimited??? unlimited

CPU Time???????????? :??? unlimited??? unlimited

Process id: 22734

Description:

***********************************************************************

**??????????? Running with the following parameters????????????????? **

***********************************************************************

2015-06-10 16:41:04? INFO??? OGG-03035? Operating system character set identified as UTF-8. Locale: en_US, LC_ALL:.

extract eora_hr

setenv (ORACLE_SID=ogg1)

Set environment variable (ORACLE_SID=ogg1)

setenv (ORACLE_HOME=/u02/app/oracle/product/11.2.0/dbhome_1)

Set environment variable (ORACLE_HOME=/u02/app/oracle/product/11.2.0/dbhome_1)

setenv (NLS_LANG=AMERICAN_AMERICA.ZHS16GBK)

Set environment variable (NLS_LANG=AMERICAN_AMERICA.ZHS16GBK)

ddl include all

userid ggusr,password ***

exttrail ./dirdat/hr

table hr.*;

2015-06-10 16:41:04? INFO??? OGG-01815? Virtual Memory Facilities for: BR

??? anon alloc: mmap(MAP_ANON)? anon free: munmap

??? file alloc: mmap(MAP_SHARED)? file free: munmap

??? target directories:

??? /u01/gg11/BR/EORA_HR.

Bounded Recovery Parameter:

BRINTERVAL = 4HOURS

BRDIR????? = /u01/gg11

2015-06-10 16:41:04? INFO??? OGG-01815? Virtual Memory Facilities for: COM

??? anon alloc: mmap(MAP_ANON)? anon free: munmap

??? file alloc: mmap(MAP_SHARED)? file free: munmap

??? target directories:

??? /u01/gg11/dirtmp.

CACHEMGR virtual memory values (may have been adjusted)

CACHESIZE:?????????????????????????????? 64G

CACHEPAGEOUTSIZE (normal):??????????????? 8M

PROCESS VM AVAIL FROM OS (min):???????? 128G

CACHESIZEMAX (strict force to disk):???? 96G

Database Version:

Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production

PL/SQL Release 11.2.0.3.0 - Production

CORE??? 11.2.0.3.0????? Production

TNS for Linux: Version 11.2.0.3.0 - Production

NLSRTL Version 11.2.0.3.0 - Production

Database Language and Character Set:

NLS_LANG???????? = "AMERICAN_AMERICA.ZHS16GBK"

NLS_LANGUAGE???? = "AMERICAN"

NLS_TERRITORY??? = "AMERICA"

NLS_CHARACTERSET = "ZHS16GBK"

2015-06-10 16:41:04? WARNING OGG-01423? No valid default archive log destination directory found for thread 1.

2015-06-10 16:41:04? INFO??? OGG-01513? Positioning to Sequence 8, RBA 4283920, SCN 0.1107430.

2015-06-10 16:41:04? INFO??? OGG-01516? Positioned to Sequence 8, RBA 4283920, SCN 0.1107430, Jun 10, 2015 4:40:34 PM.

2015-06-10 16:41:04? INFO??? OGG-01055? Recovery initialization completed for target file ./dirdat/hr000001, at RBA 1076.

2015-06-10 16:41:04? INFO??? OGG-01478? Output file ./dirdat/hr is using format RELEASE 11.2.

2015-06-10 16:41:04? INFO??? OGG-01026? Rolling over remote file ./dirdat/hr000001.

2015-06-10 16:41:04? INFO??? OGG-01053? Recovery completed for target file ./dirdat/hr000002, at RBA 1076.

2015-06-10 16:41:04? INFO??? OGG-01057? Recovery completed for all targets.

***********************************************************************

**???????????????????? Run Time Messages???????????????????????????? **

***********************************************************************

2015-06-10 16:41:04? INFO??? OGG-01517? Position of first record processed Sequence 8, RBA 4283920, SCN 0.1107430, Jun 10, 2015 4:40:34 PM.

GGSCI (orcltest) 10>

GGSCI (orcltest) 10> info extract eora_hr

EXTRACT??? EORA_HR?? Last Started 2015-06-10 16:41?? Status RUNNING

Checkpoint Lag?????? 00:00:00 (updated 00:00:04 ago)

Log Read Checkpoint? Oracle Redo Logs

???????????????????? 2015-06-10 16:42:16? Seqno 8, RBA 4302848

???????????????????? SCN 0.1107495 (1107495)

GGSCI (orcltest) 11>

一.3.5 ?target端修改replicat進程的params文件，添加"ddl include all"和"ddlerror default ignore retryop maxretries 3 retrydelay 5" 參數，重啟replicat進程

[oracle@rhel6_lhr gg11]$ 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

GGSCI (rhel6_lhr) 1> info all

Program???? Status????? Group?????? Lag at Chkpt? Time Since Chkpt

MANAGER???? RUNNING??????????????????????????????????????????

REPLICAT??? RUNNING???? RORA_HR???? 00:00:00????? 00:00:07???

GGSCI (rhel6_lhr) 2> edit params rora_hr

GGSCI (rhel6_lhr) 3> view params rora_hr

replicat rora_hr

setenv (ORACLE_SID=ogg2)

setenv (ORACLE_HOME=/u01/app/oracle/product/11.2.0/dbhome_1)

setenv (NLS_LANG=AMERICAN_AMERICA.ZHS16GBK)

ddl include all?

ddlerror default ignore retryop maxretries 3 retrydelay 5

userid ggusr,password lhr?

handlecollisions?

assumetargetdefs?

discardfile ./dirrpt/rora_hr.dsc,purge?

map hr.* ,target hr.*;

GGSCI (rhel6_lhr) 4> stop rora_hr

Sending STOP request to REPLICAT RORA_HR ...

Request processed.

GGSCI (rhel6_lhr) 5> start rora_hr

Sending START request to MANAGER ...

REPLICAT RORA_HR starting

GGSCI (rhel6_lhr) 6> info all

Program???? Status????? Group?????? Lag at Chkpt? Time Since Chkpt

MANAGER???? RUNNING??????????????????????????????????????????

REPLICAT??? RUNNING???? RORA_HR???? 00:00:00????? 00:00:06???

GGSCI (rhel6_lhr) 7>

GGSCI (rhel6_lhr) 7> info replicat rora_hr

REPLICAT?? RORA_HR?? Last Started 2015-06-10 02:39?? Status RUNNING

Checkpoint Lag?????? 00:00:00 (updated 00:00:08 ago)

Log Read Checkpoint? File ./dirdat/pa000000

???????????????????? First Record? RBA 7200161

GGSCI (rhel6_lhr) 8>

一.3.6 ?測試

[oracle@orcltest ~]$ sqlplus hr/hr@ogg1

SQL*Plus: Release 11.2.0.3.0 Production on Wed Jun 10 16:47:12 2015

Connected to:

Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production

With the Partitioning, OLAP, Data Mining and Real Application Testing options

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

Table altered.

SQL> conn hr/hr@ogg2

Connected.

SQL> desc t2?

Name????????????????????????????????????? Null???? Type

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

ID??????????????????????????????????????? NOT NULL NUMBER

NAME?????????????????????????????????????????????? VARCHAR2(20)

LOCATION?????????????????????????????????????????? VARCHAR2(200)

SQL> conn hr/hr@ogg1

Connected.

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

Table created.

SQL> select count(1) from t3;

? COUNT(1)

----------

???? 75262

SQL> conn hr/hr@ogg2

Connected.

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

TNAME

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

SQL> select count(1) from t3;

? COUNT(1)

----------

???? 75217

可以看到DDL語句已經執行了，我們看看DDL語句的日志：

SESS 380011-2015-06-10 16:47:19 : DDL : ************************* Start of log for DDL sequence [14], v[ $Id: ddl_setup.sql /st_oggcore_11.2.1/8 2012/04/02 11:11:33 smijatov Exp $ ] trace level [0], owner schema of DDL package [GGUSR], objtype [TABLE] name [HR.T2]

SESS 380011-2015-06-10 16:47:19 : DDLTRACE1 : Before Trigger: point in execution = [1.0], objtype [TABLE] name [HR.T2]

SESS 380011-2015-06-10 16:47:19 : DDL : DDL operation [alter table t2 add location varchar2(200) ], sequence [14], DDL type [ALTER] TABLE, real object type [TABLE], validity [VALID], object ID [76836], object [HR.T2], real object [HR.T2], base object schema [], base object name [], logged as [HR]

SESS 380011-2015-06-10 16:47:19 : DDL : Start SCN found [1107605]

SESS 380011-2015-06-10 16:47:20 : DDL : ------------------------- End of log for DDL sequence [14]

SESS 390002-2015-06-10 16:48:14 : DDL : ************************* Start of log for DDL sequence [501], v[ $Id: ddl_setup.sql /st_oggcore_11.2.1/8 2012/04/02 11:11:33 smijatov Exp $ ] trace level [0], owner schema of DDL package [GGUSR], objtype [TABLE] name [HR.T3]

SESS 390002-2015-06-10 16:48:14 : DDLTRACE1 : Before Trigger: point in execution = [1.0], objtype [TABLE] name [HR.T3]

SESS 390002-2015-06-10 16:48:14 : DDL : DDL operation [create table t3 as select object_id,object_name from dba_objects ], sequence [501], DDL type [CREATE] TABLE, real object type [TABLE], validity [], object ID [], object [HR.T3], real object [HR.T3], base object schema [], base object name [], logged as [HR]

SESS 390002-2015-06-10 16:48:14 : DDL : Start SCN found [1107994]

SESS 390002-2015-06-10 16:48:14 : DDL : ------------------------- End of log for DDL sequence [501]

一.3.7 ?實驗總結

DDL復制，我們可以從日志看出其執行的SQL語句，若DML配置熟悉的話，DDL配置就很簡單了。

一.4 ?About Me

...........................................................................................................................................................................................

本文作者：小麥苗，只專注于數據庫的技術，更注重技術的運用

ITPUB BLOG：http://blog.itpub.net/26736162

本文地址：http://blog.itpub.net/26736162/viewspace-1696031/

本文pdf版：http://yunpan.cn/QCwUAI9bn7g7w? 提取碼：af2d

QQ：642808185 若加QQ請注明你所正在讀的文章標題

創作時間地點：2015-06-10 09:00~ 2015-06-10 19:00 于外匯交易中心

...........................................................................................................................................................................................

轉載于:https://www.cnblogs.com/lhrbest/p/4569864.html

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