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

1. Consider the following:
mysql> EXPLAIN SELECT Name FROM City WHERE CountryCode = (SELECT Code FROM
Country
WHERE Name = 'United States')
*************************** 1. row ***************************
id: 1
select_type: PRIMARY
table: City
type: ALL
possible_keys: NULL
key: NULL
key_len: NULL
ref: NULL
rows: 4079
Extra: Using where
Which of the following best describes the meaning of the value of the select_type column?

A) The outer select is the SELECT referred to in the output row.
B) The query has a subquery.
C) The inner select is the SELECT referred to in the output row.
D) It is the first SELECT in a subquery.

2. In order to create an account where no username is needed for login, ...

A) The account should be created with the username "anon"
B) The account should be created with a username consisting of the empty string
C) Accounts cannot be specified in a way such that no username is required
D) The account should be created with the username "%"
E) None of the above

3. What type of resource limitations may be placed on a user account with the GRANT statement? (Choose four)

A) The maximum number of simultaneous connections an account can have
B) The number of times per hour that an account is allowed to connect to the server
C) MySQL does not have provisions for limiting resource usage
D) The number of queries per hour an account is allowed to issue
E) Resource limits can only be specified globally, not per-account
F) The number of updates per hour an account is allowed to issue

4. With replication, what on the master is used to send commands to the slave?

A) The SQL Thread.
B) The binary log.
C) The relay log.

5. What are reasons to prefer using GRANT and REVOKE statements over editing the privilege tables directly? (Choose three)

A) Making changes directly to the grant tables, one must remember to execute flush privileges to make the changes take effect
B) Using GRANT and REVOKE allows the server to figure out the right tables and do all the appropriate work
C) None of the above
D) All grant tables in memory are immediately updated on GRANT and REVOKE
E) GRANT and REVOKE statements allow you to do more fine-grained tuning of user privileges than does editing the grant tables directly.

Solutions: