Oracle 11G OCP 1Z0-053 677

（677）What are the prerequisites for performing flashback transactions?(Choose all that apply)

A. Supplemental log must be enabled

B. Supplemental log must be enabled for the primary key

C. Undo retention guarantee for the database must be configured

D. EXECUTE permission on the DBMS_FLASHBACK package must be granted to the user

答案：（A、B、D）

重複：130, 669

解析：

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