原创 從回收站閃回表
查看回收站有沒有開啓，默認開啓狀態 SQL> show parameter recy NAME TYPE VALUE buffer_pool_recycle stringdb
2019-02-22 18:33:14
原创 1Z0-052 中英文解析
Which two statements are true about the Automatic Workload Repository (AWR)? (Choose two.) A. All AWR tables belong to t
2019-02-22 18:33:10
原创 1Z0-052 中英文解析(2)
Examine the following statement that is used to modify the primary key constraint on the SALES table: SQL> ALTER TABLE
2019-02-22 18:33:10
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原创 1Z0-052 中英文解析(3)
Which two operations can be performed on an external table? (Choose two.) A. Create a view on the table B. Create an in
2018-09-11 07:26:57
原创 閃回數據庫的簡單介紹
閃回數據庫方法可以用sqlplus，也可以用RMAN執行：SQL> FLASHBACK DATABASE TO TIMESTAMP(''); --(基於時間點)SQL> FLASHBACK DATABASE TO SCN ; --(基於SC
2018-09-11 07:26:57