oracle表空间有四种状态ONLINE,READ WRITE,READ ONLY和OFFLINE,READ WRITE和READ ONLY是ONLINE的特殊情况。
查询表空间状态:
[sql]
sql> select tablespace_name,status from dba_tablespaces;
[/sql]
修改表空间状态:
[sql]
sql> alter tablespace tablespace_name offline/online/read only/read write;
[/sql]
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[erq]