053-514

标签：mit   recover   action   time   row   cti   tin   error   restore   

A user performs an update on a table. Shortly after committing the transaction, they realize that they
had an error in their WHERE clause causing the wrong rows to be updated. Which Flashback option
would allow you to undo this transaction and restore the table to its previous state?
A. Flashback Drop
B. Flashback Query
C. Flashback Versions Query
D. Flashback Transaction Query
E. Flashback Table

　　Only the Flashback Table options recovers a table to previous point in time.The other
options allow viewing of past states of the data(B,C,D)or restoration from the Recycle
Bin(A),but they do not recover a table to a previous point in time.

053-514

标签：mit   recover   action   time   row   cti   tin   error   restore   

原文地址：http://www.cnblogs.com/Babylon/p/7794514.html