删除表空间后数据文件依然存在,怎么删除数据文件
Oracle 11g删除表空间语法描述:
DROP TABLESPACE tablespace_name
[ including contents [ and datafiles ] [ CASCADE CONSTRAINT ] ];
无选项 -- 当表空间为空才能删除;
including contents — 删除表空间及对象;
including contents and datafiles — 删除表空间、对象及数据文件;
includingcontents CASCADE CONSTRAINT — 删除关联;
including contents and datafiles cascade constraint -- 含前两项。
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