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

1. What are some properties of using LOCK TABLE?

A) Less work is required by the server to acquire and release locks.
B) It can only be used with the MyISAM storage engine.
C) Using LOCK TABLE sometimes decreases the amount disk reads and writes needed for a group of statements.
D) All tables must be locked in a single statement.
E) It creates more disk activity.

2. Which one of the following statements can be used to start MySQL 5.0 manually from the command line on windows?

A) C:\> C:\Program Files\MySQL\MySQL Server 5.0\bin\mysqladmin -u root start
B) C:\> C:\Program Files\MySQL\MySQL Server 5.0\bin\mysqld
C) C:\> C:\Program Files\MySQL\MySQL Server 5.0\bin\mysql_start

3. Assume you compile MySQL from source and invoke configure with the following options.
--with-charset=latin1 --with-extra-charsets=utf8,ucs2
Compared to a standard binary installation that contains many more character sets, which of the following statements is/are true?

A) The compiled version will use less file handles, because only a few files need to be opened when the server is started.
B) The compiled version will use less disk space, because only a few character sets will be installed on disk.
C) The compiled version will use less memory, because only a few character sets will be loaded by the server.

4. Which of the following describes how deadlocks may occur and how InnoDB resolves them?

A) InnoDB resolves deadlocks by terminating and rolling back both of the deadlocking transactions.
B) Deadlocks happen anytime when more than one lock is placed in a table.
C) Deadlocks happen when two transactions both have locks that the other is waiting for the release of the lock that the other holds.
D) InnoDB resolves deadlocks by terminating and rolling back one of the deadlocking transactions.

5. Which of the following are some general characteristics of the MEMORY storage engine?

A) Each table has a corresponding .MYI and .MYD file.
B) They can support foreign keys.
C) Each table is represented on disk as a .frm file.
D) They can not contain TEXT or BLOB columns
E) Table contents will not be saved if the server is restarted.
F) They can support transactions.

Solutions: