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

1. Which of the following can be influenced by the choice of character set?

A) Syntax when writing queries involving JOINs
B) Memory usage.
C) The time taken to read & write table rows on disk.
D) Disk usage when storing data.

2. Which of the following are reasons to not just enable all logging?

A) Security risks.
B) More memory is used.
C) More disk space is used.
D) Slower performance.

3. Which of the following features are supported by MyISAM tables?

A) Row level locking
B) Assembly of multiple MyISAM tables to a MERGE table
C) Table level locking
D) Foreign key constraints
E) Auto_increment columns
F) Fulltext indexes
G) Transactions

4. Which of the following best describes the processing model for how the MySQL server handles queries?

A) The server uses a two-tier processing model: a SQL/optimizer tier and a storage engine tier.
B) The server uses a one-tier processing model in which each storage engine optimizes and processes each query issued against it.
C) The server uses a three-tier processing model: a SQL/optimizer tier, a formatting tier and a storage engine tier.

5. What are some advantages of using the INFORMATION_SCHEMA database rather than using the SHOW command?

A) INFORMATION_SCHEMA is a feature of standard SQL, and SHOW is a MySQL specific command.
B) It is faster than using SHOW commands.
C) Using the INFORMATION_SCHEMA can provide more concise information.
D) The information returned from the INFORMATION_SCHEMA can be stored in other tables.
E) You always use SELECT to retrieve any of the metadata.

Solutions: