ORACLE10gDBA1z0-042认证考题及答案10
1q. 1 : when will the rollback information applied in the event of a database crash
1. before the crash occurs
2. after the recovery is complete
3. immediately after re-opening the database before the recovery
4. roll back infrmation is never applied if the database crashes
2
q. 2 : the data dictionary tables and views are stored in
1. users tablespace
2. system tablespace
3. temporary tablespace
4. any of the three
3
q. 3 : oracle uses the data dictionary tables and views
1. to make the database user friendly
2. to store user data
3. to store application data
4. for proper database functioning
4
q. 4 : no data in any data dictionary tables should be deleted or altered by any user. which of the following object is an exception to this rule,
1. aud$
2. pending_sessions$
3. user_history$
4. pending_trans$
5
q. 5 : a collection of segments is a (an)
1. extent
2. segment
3. tablespace
4. database
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