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MYSQL MySQL 5.0 Database Administrator Certified Professional Exam, Part II Sample Questions:

1. As an administrator, you attempt to create the account 'joe'@'example.com' with the following statement: GRANT SELECT, UPDATE, DELETE ON world.* TO 'joe'@'example.com' Which of the following best describe the effects of issuing this statement?

A) The account is not created, as you must always specify a password for new users
B) Since no password is specified, the account is created with an empty password that must be changed by the user on first login
C) An account with no password is created, regardless of SQL modes. The password will not need to be set at a later time.
D) Depending on active SQL modes, you may be prevented from creating the account because no password is specified. Otherwise, an account with no password is created.
E) There is not enough information provided to determine the outcome of executing that statement.

2. Which of the following is/are valid reasons to consider using --skip-networking?

A) You do not have a need for remote clients to connect.
B) You are not going to use replication or clustering.
C) Your server is not networked to other servers.
D) You have a need for remote clients to connect.

3. You have been granted SELECT, INSERT and DELETE privileges on the table city in the world database. You log in, and exercise all your privileges without any problems. While you are still connected and doing work, the administrator removes your DELETE privileges and informs you by mail that you can no longer delete from table city. Being skeptical, you decided to test your privileges and realize that you still have them all. What is are the most likely causes of this? (Choose two)

A) The administrator did not execute FLUSH PRIVILEGES
B) The administrator forgot to revoke your UPDATE privilege
C) The administrator forgot to revoke your SELECT privilege
D) The administrator removed the DELETE privilege by performing an UPDATE directly on the mysql.table_priv table

4. Doing SELECT COUNT(*) queries in InnoDB is efficient...

A) No, because InnoDB does not store a row count in the table.
B) No, because the table must be sorted.
C) Yes, if the table has any indexes.
D) Yes, because InnoDB stores a row count in the table.

5. Which of the following optimizations could be made based on data collected in the slow query log? (Choose four)

A) Normalize data or add indexes to the tables that the queries use.
B) Change the storage engines in use.
C) Make changes to the network infrastructure.
D) Rewrite queries to perform more efficiently.
E) Tune server parameters.

Solutions: