Oracle 11g 利用Flashback找回被刪除的Procedure

昨天用Flashback救回一個不小心覆蓋到舊資料的Procedure,今天再度測試。

建立一個測試用的Procedure
SQL> CREATE OR REPLACE PROCEDURE APPS.TEST_PROC
  2  IS
  3  BEGIN
  4      NULL;
  5  END;
  6  /

Procedure created.

查詢dba_source是否有資料
SQL> select count(1) from dba_source where name='TEST_PROC';

  COUNT(1)
----------
         5

刪除測試的Procedure
SQL> drop procedure apps.test_proc;

Procedure dropped.

再查一次dba_source,也可以查dba_objects
SQL> select count(1) from dba_source where name='TEST_PROC';

  COUNT(1)
----------
         0

登入到sys
SQL> connect sys/xxxxx as sysdba
Connected.

利用flashback查30分鐘前的資料(假設undo的資料還在)
SQL> select text from dba_source AS OF TIMESTAMP TO_TIMESTAMP(sysdate-30/1440)
      where owner='APPS' and name = 'TEST_PROC';

TEXT
--------------------------------------------------------------------------------
PROCEDURE      TEST_PROC
    IS
    BEGIN
        dbms_output.put_line('aaaaaa');
    END;

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