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Total No Of Questions: 100.
1) Automatic Shared Memory Management is disabled for your database instance. You realize that there are cases of SQL statements performing poorly because of repeated parsing activity,resulting in degradation of performance. What would be your next step to improve performance?


2) You set the following parameters in the parameter file and restarted the database: MEMORY_MAX_TARGET=0 MEMORY_TARGET=500M PGA_AGGREGATE_TARGET=90M SGA_TARGET=270M Which two statements are true about these parameters after the database instance is restarted?(Choose two.)


3) Examine the commands executed in a DBA session: SQL> CREATE BIGFILE TABLESPACE MRKT 2 DATAFILE '/u01/app/oracle/oradata/orcl/mrkt.dbf' size 10M LOGGING 3 EXTENT MANAGEMENT LOCAL SEGMENT SPACE MANAGEMENT AUTO; Tablespace created. SQL> ALTER DATABASE DEFAULT TABLESPACE MRKT; Database altered. Which two statements are true regarding the MRKT tablespace? (Choose two.)


4) Which two statements are true about checkpointing? (Choose two.)


5) You executed this command to create a temporary table : SQL> CREATE GLOBAL TEMPORARY TABLE report_work_area (startdate DATE, enddate DATE,class CHAR(20)) ON COMMIT PRESERVE ROWS;Which statement is true about the rows inserted into the REPORT_WORK_AREA table during a transaction?


6) You executed the following command to perform a backup of the USERS tablespace: SQL> ALTER TABLESPACE users BEGIN BACKUP; ALTER TABLESPACE users BEGIN BACKUP * ERROR at line 1: ORA-01123: cannot start online backup; media recovery not enabled What could be the reason for this error?


7) You execute the following command to change the status of the SALES tablespace: SQL> ALTER TABLESPACE sales OFFLINE; Which statements describe the effect of the command?(Choose all that apply.)


8) A constraint in a table is defined with the INITIALLY IMMEDIATE clause. You executed the ALTER TABLE command with the ENABLE VALIDATE option to enable the constraint that was disabled. What are the two effects of this command? (Choose two.)


9) Which statements listed below describe the data dictionary views? 1) These are stored in the SYSTEM tablespace. 2) These are the based on the virtual tables. 3) These are owned by the SYS user. 4) These can be queried by a normal user only if O7_DICTIONARY_ACCESSIBILTY parameter is set to TRUE. 5) The V$FIXED_TABLE view can be queried to list the names of these views.


10) You are managing an Oracle Database 11g database with the following backup strategy: 1) On Sunday, an incremental level 0 tape backup is performed. 2) Monday through Saturday, a cumulative incremental level 1 tape backup is performed. Which two statements are true regarding the backups performed? (Choose two.)
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