E
TEST3 TABLE
DROP时使用purge参数删除的表被直接删除,不存放在回收站。
SQL> drop table test2 purge;
表已删除。
SQL> show recyclebin
ORIGINAL NAME RECYCLEBIN NAME OBJECT TYPE DROP TIME
---------------------------------------------- ------------ -------------------
TEST1 BIN$kUfBJ3qcTSiLxqU6hmoEcw==$0TABLE 2013-02-10:12:17:11
清空回收站
SQL> purge recyclebin;
回收站已清空。
SQL> drop table test2;
表已删除。
SQL> show recyclebin
ORIGINAL NAME RECYCLEBIN NAME OBJECT TYPE DROP TIME
---------------------------------------------- ------------ -------------------
TEST2 BIN$UabVC8wiRx+GdsN4VT5bRw==$0TABLE 2013-02-12:17:10:46
SQL> drop table test3;
表已删除。
SQL> show recyclebin
ORIGINAL NAME RECYCLEBIN NAME OBJECT TYPE DROP TIME
---------------------------------------------- ------------ -------------------
TEST2 BIN$UabVC8wiRx+GdsN4VT5bRw==$0TABLE 2013-02-12:17:10:46
TEST3 BIN$n8CZgrwoSRO16TFB/dXOcA==$0TABLE 2013-02-12:17:11:35
清除回收站中的test2表。
SQL> purge tabletest2;
表已清除。
SQL> show recyclebin
ORIGINAL NAME RECYCLEBIN NAME OBJECT TYPE DROP TIME
---------------------------------------------- ------------ -------------------
TEST3 BIN$n8CZgrwoSRO16TFB/dXOcA==$0TABLE 2013-02-12:17:11:35
SQL> flashback table test3 to before drop;
闪回完成。
SQL> show recyclebin
SQL> select count(*) from test3;
COUNT(*)
----------
2