Tag: databases

Quizzes (243) Questions (4862)

Questions Related to databases

Multiple choice technology databases

Which three statements are true about the stages of database startup?

  1. Data files and redo log files can be renamed at the MOUNT stage.

  2. Control files are required to bring the database to the NOMOUNT stage.

  3. Data files and online redo log files are checked for consistency while opening the database.

  4. Data files and redo log files are made available to users at the OPEN stage.

  5. Control files are read at the OPEN stage for the location of data files.
Reveal answer Fill a bubble to check yourself
A,B,D Correct answer
Full explanation
Multiple choice technology databases

Users in PROD database reported about the slow responses of the transaction. While investigating the reason you find that the transactions are waiting for the undo segments to be available, and undo retention has been set to zero. What would you do to overcome this problem?

  1. increase the undo retention

  2. create more undo segments

  3. create another undo tablespace

  4. increase the size of the undo tablespace.
Reveal answer Fill a bubble to check yourself
D Correct answer
Full explanation
Multiple choice technology databases

Your application demands frequent connection and disconnection from the database. You have three listener processes those are listening for the database PROD. While settings up connect string using Oracle Enterprise Manager 10g Database Control, which two options would you select to balance the connection load across all the listener process? (Choose two)

  1. Use only the first address.

  2. Try one address selected at random.

  3. Try each address, in order, until one succeeds.

  4. Try each address, randomly, until one succeeds.
Reveal answer Fill a bubble to check yourself
B,D Correct answer
Full explanation