这篇文章给大家介绍如何进行oracle 10g physical standby的切换操作，内容非常详细，感兴趣的小伙伴们可以参考借鉴，希望对大家能有所帮助。
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primary库操作：
SQL> select name,open_mode,protection_mode,database_role from v$database;
NAME OPEN_MODE PROTECTION_MODE DATABASE_ROLE
--------- ---------- -------------------- ----------------
YGH READ WRITE MAXIMUM PERFORMANCE PRIMARY
SQL> alter database commit to switchover to physical standby with session shutdown;
Database altered.
SQL> shutdown immediate
ORA-01507: database not mounted
ORACLE instance shut down.
SQL> startup nomount
ORACLE instance started.
Total System Global Area 264241152 bytes
Fixed Size 1218868 bytes
Variable Size 88082124 bytes
Database Buffers 171966464 bytes
Redo Buffers 2973696 bytes
SQL> alter database mount standby database;
Database altered.
SQL> alter database recover managed standby database disconnect from session;
Database altered.
SQL> select name,open_mode,protection_mode,database_role from v$database;
NAME OPEN_MODE PROTECTION_MODE DATABASE_ROLE
--------- ---------- -------------------- ----------------
YGH MOUNTED MAXIMUM PERFORMANCE PHYSICAL STANDBY
standby库操作：
SQL> select name,open_mode,protection_mode,database_role from v$database;
NAME OPEN_MODE PROTECTION_MODE DATABASE_ROLE
--------- ---------- -------------------- ----------------
YGH MOUNTED MAXIMUM PERFORMANCE PHYSICAL STANDBY
SQL> alter database commit to switchover to primary;
Database altered.
SQL> shutdown immediate
ORA-01109: database not open
Database dismounted.
ORACLE instance shut down.
SQL> startup
ORACLE instance started.
Total System Global Area 264241152 bytes
Fixed Size 1218868 bytes
Variable Size 88082124 bytes
Database Buffers 171966464 bytes
Redo Buffers 2973696 bytes
Database mounted.
Database opened.
SQL> select name,open_mode,protection_mode,database_role from v$database;
NAME OPEN_MODE PROTECTION_MODE DATABASE_ROLE
--------- ---------- -------------------- ----------------
YGH READ WRITE MAXIMUM PERFORMANCE PRIMARY
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