12c中,必须先启动CDB,然后才能启动PDB。启动CDB后,PDB默认启动到mount状态。
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SQL> select name,open_mode from V$pdbs;
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NAME OPEN_MODE
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------------------------------ ----------
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PDB$SEED READ ONLY
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PDB1 MOUNTED
启动PDB
连接到CDB,
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#启动指定PDB
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alter pluggable database pdb1 open;
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#启动全部PDB
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alter pluggable database all open;
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SQL> select name,open_mode from V$pdbs;
NAME OPEN_MODE
------------------------------ ----------
PDB$SEED READ ONLY
PDB1 READ WRITE
关闭PDB,
若要关闭指定PDB,则连接到PDB,
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sqlplus sys@pdb1 as sysdba
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SQL> alter pluggable database close;
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Pluggable database altered.
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#也可在CDB中关闭PDB
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SQL> alter pluggable database pdb1 close immediate;
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SQL> alter pluggable database all except pdb1 close;
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SQL> alter pluggable database all close;
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无需再执行shutdown immediate,关闭PDB并不关闭其共享的实例。
若要关闭全部CDB和PDB,只需连接到CDB,执行shutdown immediate即可。
来自 “ ITPUB博客 ” ,链接:https://blog.itpub.net/22621861/viewspace-2098569/
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