[數據庫]Oracle釋放磁盤空間

--查看當前系統版本--
SQL> select * from v$version;
 
BANNER
--------------------------------------------------------------------------------
Oracle Database 11g Enterprise Edition Release 11.1.0.6.0 - 64bit Production
PL/SQL Release 11.1.0.6.0 - Production
CORE    11.1.0.6.0    Production
TNS for Linux: Version 11.1.0.6.0 - Production
NLSRTL Version 11.1.0.6.0 - Production

--查看數據表佔用磁盤空間--
SQL> select segment_name,segment_type,bytes,blocks,extents from user_segments where segment_name='T_FUSE_SEPARATE_SESSION_H_TEMP';
 
SEGMENT_NAME                                                                     SEGMENT_TYPE            BYTES     BLOCKS    EXTENTS
-------------------------------------------------------------------------------- ------------------ ---------- ---------- ----------
T_FUSE_SEPARATE_SESSION_H_TEMP                                                   TABLE PARTITION        131072         16          1
T_FUSE_SEPARATE_SESSION_H_TEMP                                                   TABLE PARTITION        131072         16          1
T_FUSE_SEPARATE_SESSION_H_TEMP                                                   TABLE PARTITION        131072         16          1
T_FUSE_SEPARATE_SESSION_H_TEMP                                                   TABLE PARTITION        131072         16          1
T_FUSE_SEPARATE_SESSION_H_TEMP                                                   TABLE PARTITION        131072         16          1
T_FUSE_SEPARATE_SESSION_H_TEMP                                                   TABLE PARTITION        131072         16          1
T_FUSE_SEPARATE_SESSION_H_TEMP                                                   TABLE PARTITION        131072         16          1
T_FUSE_SEPARATE_SESSION_H_TEMP                                                   TABLE PARTITION        131072         16          1
T_FUSE_SEPARATE_SESSION_H_TEMP                                                   TABLE PARTITION        131072         16          1
T_FUSE_SEPARATE_SESSION_H_TEMP                                                   TABLE PARTITION        131072         16          1
T_FUSE_SEPARATE_SESSION_H_TEMP                                                   TABLE PARTITION        131072         16          1
T_FUSE_SEPARATE_SESSION_H_TEMP                                                   TABLE PARTITION        131072         16          1
 
12 rows selected

SQL> truncate table T_FUSE_SEPARATE_SESSION_H_TEMP;

--清除空間--
SQL> alter table T_FUSE_SEPARATE_SESSION_H_TEMP move;
 
alter table T_FUSE_SEPARATE_SESSION_H_TEMP move
 
ORA-14511: 不能對分區對象進行操作

--直接刪除表--
SQL> drop table T_FUSE_SEPARATE_SESSION_H_TEMP;
 
Table dropped
 
SQL> commit;
 
Commit complete

--重啓數據庫--
SQL> shutdown immediate;
#lsnrctl start
#sqlplus /nolog
SQL> connect /as sysdba;
SQL> startup;