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    April, 2007

    表级流复制基本操作(上)

    创建单源流复制数据库

    源数据库

    创建流复制管理员

    CREATE USER STREAMADMIN

        IDENTIFIED BY STREAMADMIN DEFAULT TABLESPACE USERS"

        TEMPORARY TABLESPACE "TEMP"

        ACCOUNT UNLOCK;

    GRANT CONNENT TO STREAMADMIN ;

    GRANT DBA TO STREAMADMIN ;

     

    创建数据库链接

    CREATE  DATABASE LINK "DEST"           --数据库链接名,必须在netca中配置过

        CONNECT TO "STREAMADMIN"        --目的数据库时复制管理员

        IDENTIFIED BY "STREAMADMIN"         --目的数据库时复制管理员密码

        USING 'DEST' ;                            --目的数据库名,必须在netca中配置过

     

    创建捕捉队列

      dbms_streams_adm.set_up_queue(

        queue_table => '"STREAMADMIN"."TEST$CAPQT"',

        storage_clause => NULL,

        queue_name => '"STREAMADMIN"."TEST$CAPQ"',

        queue_user => '');

     

    对要复制的表实例化准备

    对所有要复制的表执行

    DBMS_CAPTURE_ADM.PREPARE_TABLE_INSTANTIATION(

    table_name => 'rep.a'

    supplemental_logging => 'keys');               --默认值为key,如果不指定,将采在所有相约束上启用附加日志

    添加附加日志

    ALTER TABLE "REP"."C" ADD SUPPLEMENTAL LOG DATA (PRIMARY KEY, FOREIGN KEY, UNIQUE INDEX) COLUMNS;

    创建传送进程及传输规则

    对所有的表执行

      dbms_streams_adm.add_table_propagation_rules(                                  --加入传送规则(自动创建传送进程)

        table_name => '"REP"."A"',                                                 --传送表rep.A

        streams_name => '',                                                        --

        source_queue_name => '"STREAMADMIN"."TEST$CAPQ"',                          --捕捉队列(源)

        destination_queue_name=>"STREAMADMIN"."TEST$APPQ"@DEST',                   --应用队列(目的)

        include_dml => TRUE,                                                       --捕捉dml

        include_ddl => TRUE,                                                       --捕捉dml

        include_tagged_lcr => TRUE,                                                --传输带标签的LCR????

        source_database => 'SOURCE.REGRESS.RDBMS.DEV.US.ORACLE.COM',               --源数据库

        inclusion_rule => TRUE,                                                    --加入正规则集

        and_condition => NULL,                                                     --

        queue_to_queue => TURE);                                                   --10.2 以后为TURE

    新目标数据库

    创建流复制管理员

    CREATE USER STREAMADMIN

        IDENTIFIED BY STREAMADMIN DEFAULT TABLESPACE USERS"

        TEMPORARY TABLESPACE "TEMP"

        ACCOUNT UNLOCK;

    GRANT CONNENT TO STREAMADMIN ;

    GRANT DBA TO STREAMADMIN ;

    创建应用队列

      dbms_streams_adm.set_up_queue(

        queue_table => '"STREAMADMIN"."TEST$APPQT"',        --队列表??

        storage_clause => NULL,                             --

        queue_name => '"STREAMADMIN"."TEST$APPQ"',          --队列名

        queue_user => '');                                  --

     

    创建应用进程及应用规则

      dbms_streams_adm.add_table_rules(                                  --创建应用规则(自动创建应用进程)

        table_name => '"REP"."A"',                                        --要应用的表

        streams_type => 'APPLY',                                          --类型

        streams_name => '',                                               --

        queue_name => '"STREAMADMIN"."TEST$APPQ"',                        --应用队列名

        include_dml => TRUE,                                              --包括dml

        include_ddl => TRUE                                            --包括ddl

        include_tagged_lcr => TRUE,                                       --标签不为空也行

        source_database => 'TEST.REGRESS.RDBMS.DEV.US.ORACLE.COM',        --源数据库

        inclusion_rule => TRUE);                                          --加入正规则集

    从源数据库导入数据并实例化scn

    使用imp数据时加入参数STREAMS_INSTANTIATION=Y

    或者得到源数据库的当前scn

    select dbms_flashback.get_system_change_number from dual;

     

    DBMS_APPLY_ADM.SET_TABLE_INSTANTIATION_SCN(

    source_object_name => 'rep.a',

    source_database_name => ' TEST.REGRESS.RDBMS.DEV.US.ORACLE.COM ',

    instantiation_scn => 1234567);                               --scn

    设置标签 (多个应用时,结构复杂时需要)

      dbms_apply_adm.alter_apply(

        apply_name => apply_nm_dqt,     --应用名称,在dba_apply_progress中查看

    apply_tag => hextoraw(00));     --00为本机应用标签

     

    添加一个新的目标节点

    源数据库

    加入数据库链接

    CREATE  DATABASE LINK "DEST"           --数据库链接名,必须在netca中配置过

        CONNECT TO "STREAMADMIN"        --目的数据库时复制管理员

        IDENTIFIED BY "STREAMADMIN"         --目的数据库时复制管理员密码

        USING 'DEST' ;                            --目的数据库名,必须在netca中配置过

    对要复制的表实例化准备

    对所有要复制的表执行

    DBMS_CAPTURE_ADM.PREPARE_TABLE_INSTANTIATION(

    table_name => 'rep.a'

    supplemental_logging => 'keys');               --默认值为key,如果不指定,将采在所有相约束上启用附加日志

    创建传送进程及传输规则

    对所有的表执行

      dbms_streams_adm.add_table_propagation_rules(                                  --加入传送规则(自动创建传送进程)

        table_name => '"REP"."A"',                                                 --传送表rep.A

        streams_name => '',                                                        --

        source_queue_name => '"STREAMADMIN"."TEST$CAPQ"',                           --捕捉队列(源)

        destination_queue_name=>"STREAMADMIN"."TEST$APPQ"@DEST',                   --应用队列(目的)

        include_dml => TRUE,                                                       --捕捉dml

        include_ddl => TRUE,                                                       --捕捉dml

        include_tagged_lcr => TRUE,                                                --传输带标签的LCR????

        source_database => 'SOURCE.REGRESS.RDBMS.DEV.US.ORACLE.COM',               --源数据库

        inclusion_rule => TRUE,                                                    --

        and_condition => NULL,                                                      --

        queue_to_queue => TURE);                                                   --10.2 以后为TURE

    新目标数据库

    创建流复制管理员

    CREATE USER STREAMADMIN

        IDENTIFIED BY STREAMADMIN DEFAULT TABLESPACE USERS"

        TEMPORARY TABLESPACE "TEMP"

        ACCOUNT UNLOCK;

    GRANT CONNENT TO STREAMADMIN ;

    GRANT DBA TO STREAMADMIN ;

    创建应用队列

      dbms_streams_adm.set_up_queue(

        queue_table => '"STREAMADMIN"."TEST$APPQT"',        --队列表??

        storage_clause => NULL,                             --

        queue_name => '"STREAMADMIN"."TEST$APPQ"',          --队列名

        queue_user => '');                                  --

     

    创建应用进程及应用规则

      dbms_streams_adm.add_table_rules(                            --创建应用规则(自动创建应用进程)

        table_name => '"REP"."A"',                                  --要应用的表

        streams_type => 'APPLY',                                    --类型

        streams_name => '',                                         --

        queue_name => '"STREAMADMIN"."TEST$APPQ"',                  --应用队列名

        include_dml => TRUE,                                        --包括dml

        include_ddl => TRUE                                   --包括ddl

        include_tagged_lcr => TRUE,                                 --标签不为空也行

        source_database => 'TEST.REGRESS.RDBMS.DEV.US.ORACLE.COM', --源数据库

        inclusion_rule => TRUE);                                    --创建并应用正规则集??

    从源数据库导入数据并实例化scn

    使用imp数据时加入参数STREAMS_INSTANTIATION=Y

    或者得到源数据库的当前scn

    select dbms_flashback.get_system_change_number from dual;

     

    DBMS_APPLY_ADM.SET_TABLE_INSTANTIATION_SCN(

    source_object_name => 'rep.a',

    source_database_name => ' TEST.REGRESS.RDBMS.DEV.US.ORACLE.COM ',

    instantiation_scn => 1234567);                               --scn

    其他:

     设置标签 多个应用时,结构复杂时需要

      dbms_apply_adm.alter_apply(

        apply_name => apply_nm_dqt, --??

    apply_tag => hextoraw(00));

     

     

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