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

1. Which of the following best describes the purpose of the record buffer (as controlled through the read_buffer_size variable), and how it is set? (Choose two)

A) The record buffer is used to perform sequential table scans, reducing the number of reads from disk
B) The record buffer is set per connection.
C) The record buffer is used for operations such as ORDER BY or GROUP BY.
D) The record buffer is global and is only set by restarting the server.

2. Connection strings in FEDERATED tables are stored...

A) Within the table definition.
B) In a .fed file corresponding to the table.
C) In variables.
D) They are not stored, but must be re-specified at server restart.

3. Why should log files be secured against reading by non-authorized users? (Choose two)

A) Unauthorized users may alter the log contents.
B) Data values may be read
C) Usernames and passwords could be revealed.
D) The server may be prevented from writing to the log file

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

A) The number of queries per hour an account is allowed to issue
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) Resource limits can only be specified globally, not per-account
E) The number of updates per hour an account is allowed to issue
F) The maximum number of simultaneous connections an account can have

5. Which of the following best describe the effects on performance for the dynamic-row format for
MyISAM has? (Choose two)

A) Retrievals are more complex and slower.
B) Rows generally take up less disk space than fixed-row format.
C) Rows generally take up more disk space than fixed-row format.
D) Retrievals are less complex and are faster.

Solutions: