OCP-1Z0-053-V12.02-514题

514.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

Answer: E

答案解析：

参考：/article/1629013.html

针对使用了错误的where子句进行更新，使用闪回表就可以了。