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。你是采用了哪个选项?
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