怎么删除原有数据库表空间?
1:查询所有的表空间
select tablespace_name from sys.dba_tablespaces;
2:删除
普通删除
DROP TABLESPACE MESADMIN INCLUDING CONTENTS AND DATAFILES;
DROP TABLESPACE XCORE_DATA_TS INCLUDING CONTENTS AND DATAFILES;
怎么删除表关联
DROP TABLESPACE XCORE_DATA_TS INCLUDING CONTENTS AND DATAFILES CASCADE CONSTRAINT