11.Which three are true about UNDO data? A) It is used to roll back failed transactions. B) It is used to rewind a database by using FLASHBACK DATABASE. C) It is used to recover dropped tables by using FLASHBACK TABLE … TO BEFORE DROP. D) It is used…
13.Which two are true about AWR snapshots? A) They are stored In the SYSAUX tablespace. B) They are not generated if STATISTICS_LEVEL Is set to TYPICAL. C) They can be modified by using DMLs. D) They can be retained forever. E) They are always create…
8.Which two are true about the Fast Recovery Area (FRA)? A) It should be larger than the database. B) Space management In the FRA Is Influenced by the database backup retention policy. C) A database must be in ARCHIVELOG mode to use the FRA. D) It mu…
31.Which two events always request the LGWR to write? A) when LGWR is notified by a server process that performs a Commit or ROLLBACK B) When PMON restarts a server process C) when DBWn writes dirty buffers D) when a log switch occurs E) when a check…
30.Which is true when a database instance is shut down? A. Only transactional and normal modes wait for all uncommitted transactions to commit or rollback and then close the database. B. Immediate, transactional, and normal modes all result in a chec…
19.Which is true about invalid PL/SQL objects? A) They are automatically recompiled against the new definition of a referenced object at the same time as the referenced object is modified. B) They can be manually recompiled only by using SQL commands…
10.Which two are true about consistent database backups? A) They can only be taken when a RECOVERY CATALOG is used. B) They can only be taken if the database Is in ARCHIVELOG mode. C) They can only be taken If shutdown NORMAL, TRANSACTIONAL, or IMMED…
9.Which is true about the Automatic Diagnostic Repository (ADR)? A) It includes diagnostic data for critical errors for each server and background process. B) Its location is always set by the ORACLE_BASE variable. C) It is used only if the DIAGNOSTI…
32. Examine these commands and their output: • SQL> SELECT * FROM emp; • ENO ENAME • ---- ----- • 100 Adam • 101 Alan • SQL> INSERT INTO emp VALUES(102,'Ben"); • 1 row created. • SQL> COMMIT; • Commit completed. • SQL> UPDATE emp SET enam…
22.You are planning a software installation for both Oracle Database 11g Release 1 and Release 2. You plan to have at lease one database for each release managed by Grid Infrastructure for a Standalone Server. Which three are true in this scenario? A…