Author Topic: Oracle DBA Question 92  (Read 94 times)

0 Members and 1 Guest are viewing this topic.

Offline ralph0595

  • Full Member
  • *
  • Posts: 107
  • Karma: +0/-0
    • View Profile
Oracle DBA Question 92
« on: May 07, 2009, 08:08:15 AM »
Question:

Consider this SQL statement:

Update employees SET first_name = \'JOHN\'
WHERE emp_id = 1009
COMMIT;

What happens when a user issues the COMMIT in the SQL above statement?

A. Dirty buffers in the database buffer cache are flushed.
B. The server process places the commit record in the redo log buffer.
C. Log Writer (LGWR) writes redo log buffer entries to the redo log files and data files.
D. The user process notifies the server process that the transaction is complete.
E. The user process notifies the server process that the resource locks can be released.

Answer: B

Techronnati | where technology never sleeps

Oracle DBA Question 92
« on: May 07, 2009, 08:08:15 AM »

Mountain View

 

Related Topics

  Subject / Started by Replies Last post
0 Replies
62 Views
Last post April 19, 2009, 06:01:21 AM
by ralph0595
0 Replies
64 Views
Last post April 19, 2009, 06:39:28 AM
by ralph0595
0 Replies
55 Views
Last post April 19, 2009, 06:41:37 AM
by ralph0595
0 Replies
58 Views
Last post April 19, 2009, 06:46:32 AM
by ralph0595
0 Replies
55 Views
Last post April 19, 2009, 06:51:28 AM
by ralph0595

Posting Disclaimer: Any individual may post a message in this forum and may do so anonymously. Therefore, the sole author is exclusively and entirely responsible for all opinions in that message. They do not represent the official opinions of Techronnati, its administrators or moderators or the Techronnati Management. Techronnati is merely acting as an impartial conduit for constitutionally protected free speech and is not responsible and will not be held liable for the content of such messages. All images and service logos are trademarks of their respective owners.