Oracle OCP 1Z0 053 Q130(flashback transactions)
130.Which are the prerequisites for performing flashback transactions on your database? (Choose all that
apply.)
A. Undo retention guarantee for the database must be configured.
B. Supplemental log must be enabled for the primary key.
C. Supplemental log must be enabled.
D. Execute permission on the DBMS_FLASHBACK package must be granted to the user.
Answer: BCD
參考:http://blog.csdn.net/jgmydsai/article/details/37690911
apply.)
A. Undo retention guarantee for the database must be configured.
B. Supplemental log must be enabled for the primary key.
C. Supplemental log must be enabled.
D. Execute permission on the DBMS_FLASHBACK package must be granted to the user.
Answer: BCD
參考:http://blog.csdn.net/jgmydsai/article/details/37690911
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