Oracle OCP 19c 認證1Z0-083考試題庫(第8題)

Oracle OCP 19c 認證1Z0-083考試題庫(第8題)-CUUG整理ide

八、Examine the statements that use flashback technologies:spa

  1. FLASHBACK TABLE customers TO TIMESTAMP TO_TIMESTAMP('2013-02-04 09:30:00', 'YYYY-MM-DD HH:MI:SS');flash

  2. SELECT * FROM customers AS OF SCN 123456;it

  3. FLASHBACK TABLE customers TO BEFORE DROP;table

  4. FLASHBACK DATABASE TO TIMESTAMP TO_TIMESTAMP('2013-02-04 09:30:00', 'YYYY-MM-DD HH:MI:SS');class

  5. SELECT * FROM customers VERSIONS BETWEEN SCN 123456 AND 123999;tab

  6. ALTER TABLE customers FLASHBACK ARCHIVE;

Which set of statements depends on the availability of relevant undo data in the undo tablespace?di

A) 1,3,6view

B) 1,2,5vi

C) 3,4,5

D) 2,3,5,6

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