物化视图复制的设置
主站点：prod
物化视图站点：emrep
主机名：dbserver
复制用户：hr
检查初始化参数
SQL> connect sys/oracle@prod as sysdba ;
已连接。
SQL> show parameter global_names ;
NAME TYPE VALUE
------------------------------------ ----------- -------------------------
global_names boolean TRUE
SQL> show parameter job;
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
job_queue_PRocesses integer 20
SQL> select * from global_name ;
GLOBAL_NAME
------------------------------------------------------------------------------
prod
SQL>
SQL> connect sys/oracle@emrep as sysdba ;
已连接。
SQL> show parameter global_names ;
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
global_names boolean TRUE
SQL> show parameter job;
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
job_queue_processes integer 10
SQL> select * from global_name ;
GLOBAL_NAME
-----------------------------------------
emrep
SQL>
检查全局数据库名称
SQL> connect hr/hr@emrep ;
已连接。
SQL> select * from hr.employees@prod ;
...
SQL>
SQL> connect system/oracle@emrep;
已连接。
SQL> select owner,db_link from all_db_links ;
OWNER DB_LINK
-------------------- --------------------
SYS prod
PUBLIC prod
SQL> connect system/oracle@prod;
已连接。
SQL> select owner,db_link from all_db_links ;
OWNER DB_LINK
-------------------- --------------------
SYS emrep
PUBLIC emrep
SQL>
建立主体站点
SQL> connect system/oracle@prod ;
已连接。
SQL>
--建立复制管理用户repadmin 并授权
CREATE USER repadmin IDENTIFIED BY repadmin;
BEGIN
DBMS_REPCAT_ADMIN.GRANT_ADMIN_ANY_SCHEMA (username => 'repadmin');
END;
/
GRANT COMMENT ANY TABLE TO repadmin;
GRANT LOCK ANY TABLE TO repadmin;
GRANT SELECT ANY DICTIONARY TO repadmin;
--注册传播用户并授权
BEGIN
DBMS_DEFER_SYS.REGISTER_PROPAGATOR (username => 'repadmin');
END;
/
--注册接收用户
BEGIN
DBMS_REPCAT_ADMIN.REGISTER_USER_REPGROUP (
username => 'repadmin',
privilege_type => 'receiver',
list_of_gnames => NULL);
END;
/
--建立物化视图站点复制管理员的代理用户
BEGIN
DBMS_REPCAT_ADMIN.REGISTER_USER_REPGROUP (
username => 'repadmin',
privilege_type => 'proxy_snapadmin',
list_of_gnames => NULL);
END;
/
GRANT CREATE session TO repadmin;
GRANT SELECT ANY TABLE TO repadmin;
--以复制管理员身份登陆到主站点
SQL> CONNECT repadmin/repadmin@prod ;
BEGIN
DBMS_DEFER_SYS.SCHEDULE_PURGE (
next_date => SYSDATE,
interval => 'SYSDATE + 1/24',
delay_seconds => 0);
END;
/
commit;
设置物化视图站点
SQL> connect system/whoami@emrep ;
--建立物化视图管理员，并授权
CREATE USER mvadmin IDENTIFIED BY mvadmin;
BEGIN
DBMS_REPCAT_ADMIN.GRANT_ADMIN_ANY_SCHEMA (
username => 'mvadmin');
END;
/
GRANT COMMENT ANY TABLE TO mvadmin;
GRANT LOCK ANY TABLE TO mvadmin;
GRANT SELECT ANY DICTIONARY TO mvadmin;
--建立传播者，并授权
BEGIN
DBMS_DEFER_SYS.REGISTER_PROPAGATOR (username => 'mvadmin');
END;
/
--建立刷新者，并授权，这里使用mvadmin 用户刷新物化视图
GRANT CREATE SESSION TO mvadmin;
GRANT ALTER ANY MATERIALIZED VIEW TO mvadmin;
--注册接受者
BEGIN
DBMS_REPCAT_ADMIN.REGISTER_USER_REPGROUP (
username => 'mvadmin',
privilege_type => 'receiver',
list_of_gnames => NULL);
END;
/
--建立PUBLIC 数据库链
CREATE PUBLIC DATABASE LINK db001 USING 'prod';
SQL> CONNECT mvadmin/mvadmin@emrep;
已连接。
SQL>CREATE DATABASE LINK prod CONNECT TO repadmin IDENTIFIED BY repadmin;
--建立到主站点上复制管理员的数据库链
--以传播者身份登陆物化视图站点
BEGIN
DBMS_DEFER_SYS.SCHEDULE_PURGE (
next_date => SYSDATE,
interval => 'SYSDATE + 1/24',
delay_seconds => 0,
rollback_segment => '');
END;
/
--设置将修改推入到主站点的job
BEGIN
DBMS_DEFER_SYS.SCHEDULE_PUSH (
destination => 'prod',
interval => 'SYSDATE + 1/24',
next_date => SYSDATE,
stop_on_error => FALSE,
delay_seconds => 0,
parallelism => 0);
END;
/
commit;
建立主体组
--以复制管理员身份登陆复制站点
CONNECT repadmin/repadmin@prod ;
--建立名为rep_test 的复制组
BEGIN
DBMS_REPCAT.CREATE_MASTER_REPGROUP (
gname => 'reptest');
END;
/
--将复制对象增加到复制组中
BEGIN
DBMS_REPCAT.CREATE_MASTER_REPOBJECT (
gname => 'rep_test',
type => 'TABLE',
oname => 'employees',
sname => 'hr',
use_existing_object => TRUE,
copy_rows => FALSE);
END;
/
--生成复制支持
BEGIN
DBMS_REPCAT.GENERATE_REPLICATION_SUPPORT (
sname => 'hr',
oname => 'employees',
type => 'TABLE',
min_communication => TRUE);
END;
/
--开始复制
BEGIN
DBMS_REPCAT.RESUME_MASTER_ACTIVITY (
gname => 'reptest');
END;
/
commit;
建立物化视图
CONNECT hr/hr@prod ;
--建立物化视图日志表，FAST 刷新方式必须要求建立物化视图日志
CREATE MATERIALIZED VIEW LOG ON hr.employees;
--建立复制用户到主站点代理刷新者的数据库链
CONNECT hr/hr@emrep;
CREATE DATABASE LINK prod CONNECT TO repadmin IDENTIFIED BY repadmin;
--建立物化视图组
CONNECT mvadmin/mvadmin@emrep ;
--物化视图组必须和复制站点上的复制组名称相同
BEGIN
DBMS_REPCAT.CREATE_MVIEW_REPGROUP (
gname => 'reptest',
master => 'prod',
propagation_mode => 'ASYNCHRONOUS');
END;
/
--创建刷新组
BEGIN
DBMS_REFRESH.MAKE (
name => 'mvadmin.rep_refresh',
list => '',
next_date => SYSDATE,
interval => 'SYSDATE + 1/24',
implicit_destroy => FALSE,
rollback_seg => '',
push_deferred_rpc => TRUE,
refresh_after_errors => FALSE);
END;
/
SQL> connect mviewadmin/mviewadmin@emrep ;
已连接。
SQL> select *from hr.employees@prod ;
SQL>
------------------------------------------------------------------
--创建物化视图
SQL> CREATE MATERIALIZED VIEW hr.emp_up_view
REFRESH FAST WITH PRIMARY KEY FOR UPDATE
AS SELECT * FROM hr.employees@prod ;