MYSQL 1Z0-873 : MySQL 5.0 Database Administrator Certified Professional Exam, Part I

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MYSQL 1Z0-873 Exam Syllabus Topics:

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

1. 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.

2. Which of the following would be the effect of setting REFERENCES with ON UPDATE CASCADE?

A) Changes made to the parent record are passed down to the corresponding child records.
B) Records could only be updated and not deleted regardless if they have any corresponding child records.
C) Changes to the parent record would be disallowed if there were any corresponding child records.

3. Which of the following correctly describes the differences between explicitly and implicitly set locks?

A) Explicitly set locks are locks acquired and released by the client.
B) Explicitly set locks are locks set and released on behalf of the client, by the server.
C) Implicitly set locks are locks set and released on behalf of the client, by the server.
D) Implicitly set locks are locks acquired and released by the client.

4. Which of the following list the difference between mysqld, mysqld_safe and mysql.server respectively?

A) mysqld is the server; mysqld_safe is a shell script that invokes mysqld; mysql.server is a wrapper for mysqld_safe.
B) Nothing. They are symbloic links to the same file.
C) mysqld is the server; mysqld_safe is a shell script that invokes mysqld in safe mode, and mysql.server is a wrapper for mysqld_safe.
D) mysqld is a shell script that starts mysql.server; mysqld_safe is a shell script that invokes the server in safe mode; mysql.server is the server.

5. When you acquire an advisory lock using GET_LOCK(), the lock is released if

A) None of the above
B) You issue a RELEASE_LOCK() statement
C) Your connection to the server terminates
D) You issue another GET_LOCK() statement

Solutions: