#当我们在oracle里面drop表空间s时候总是报错

SQL> drop tablespace CFF including contents and datafiles;
drop tablespace CFF including contents and datafiles
*
ERROR at line 1:
ORA-00604: error occurred at recursive SQL level 1
ORA-38301: can not perform DDL/DML over objects in Recycle Bin

#根据提示我们先执行purge tablespace CFF，还是没有效果

SQL> purge tablespace CFF;

Tablespace purged.

SQL> drop tablespace CFF including contents and datafiles;
drop tablespace CFF including contents and datafiles
*
ERROR at line 1:
ORA-00604: error occurred at recursive SQL level 1
ORA-38301: can not perform DDL/DML over objects in Recycle Bin

#尝试用该schema的owner登陆sqlplus，然后执行purge recyclebin，然后再删除drop tablespace 现在出现新的报错信息

SQL> drop tablespace CFF including contents and datafiles;
drop tablespace CFF including contents and datafiles
*
ERROR at line 1:
ORA-00604: error occurred at recursive SQL level 1
ORA-02429: cannot drop index used for enforcement of unique/primary key

#最后查询 dba_segments显示该表空间内是否还有segments

SQL> select SEGMENT_NAME,SEGMENT_TYPE,owner from dba_segments where tablespace_n
ame='CFF';

SEGMENT_NAME
--------------------------------------------------------------------------------

SEGMENT_TYPE       OWNER
------------------ ------------------------------
SYS_C007090
INDEX              CFF

BIN$K6umfNuTTmmcE+ElzqjRig==$0
INDEX              CFF

IND_BILLS_CREATETIME
INDEX              CFF

SEGMENT_NAME
--------------------------------------------------------------------------------

SEGMENT_TYPE       OWNER
------------------ ------------------------------
IND_BILLS_COMMENTS_BLNO
INDEX              CFF

#找到SYS_C007090对应的表将外键取消，重新执行Drop

SQL> drop tablespace CFF including contents and datafiles;

Tablespace dropped.

SQL>