[OCP|052]OCP最新题库解析(052)--小麦苗解答版 OCP最新题库解析历史连接(052):http://mp.weixin.qq.com/s/bUgn4-uciSndji_pUbLZfA ⊙ [OCP最新题库解析(052)--题3]Which two are true about external tables?⊙ [OCP最新题库解析(052)--题2]...is true about FAST_START_MTTR_TARGET⊙ [OCP最新题库解析(052)--题1]Whic…

5.Which two affect the time taken for instance recovery? A) size of redo logs B) size of UNDO tablespace C) FAST_START_MTTR_TARGET value D) size of archivelogs E) size of existing RMAN backupsets F) UNDO_RETENTION value Answer:AC…

3.Which structure can span multiple data files?❑ A) a permanent tablespace❑ B) a bigfile tablespace❑ C) a temporary tablespace❑ D) a segment❑ E) an extent • Answer:ACD…

2.Which two are true about Optimizer Statistics? ❑ A) They do not persist across Instance restarts. ❑ B) They are automatically updated when DDL statements execute. ❑ C) They are gathered by the Manageability Monitor (MMON) background process. ❑ D) T…

38.Which three are true about the Automatic Database Diagnostic Monitor (ADDM)? A) Its findings are accessible only by using Oracle Enterprise Manager. B) It improves database performance by automatically implementing Oracle's best practices. C) It c…

25.Which is true about logical and physical database structures? (Choose the best answer) A. An undo tablespace has a temp file instead of a data file. B. A segment can consist of extents of different sizes. C. A permanent tablespace can only contain…

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37.USER1 grants SELECT, INSERT, and UPDATE privileges on USER1. EMP to USER2. SYS executes this command: SQL> REVOKE UPDATE ON user1.emp FROM user1; What will be the outcome? A) It will succeed and only USER2 will be unable to perform SELECT,INSERT,…

4.For which requirement should you configure shared servers? A) accommodating an increasing number of users who run short-duration, infrequent queries in an OLTP environment with limited memory B) accommodating an increasing number of users who run a…