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

1. When choosing a storage engine for each of your tables, which things are to consider?

A) Backup methods: Some storage engines support online backup and point in time recovery, some don't.
B) Transactions support: Some storage engines support transactions, some don't.
C) Licenses: Some storage engines cannot be used in commercial environments, others can.
D) Storage media: Some storage engines store data on disk, some in memory.
E) Locking Characteristics: Some storage engines lock on row level, some on page level, some on table level.

2. The my.cnf file contains the following entries:
innodb_data_home_dir =
innodb_data_file_path = /ibdata/ibdata1:50M;/disk2/ibdata2:50M:autoextend
Which of the following statements are true?

A) There are two InnoDB data files
B) The initial size of the InnoDB data files on server startup will be set to 50MB. If more space is needed, another 50MB will be allocated.
C) The total maximum size of the InnoDB data files is 100MB
D) The total minimum size of the InnoDB data files is 100MB
E) There are three InnoDB data files
F) The data files will be stored below the default data directory

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

A) SHOW is a feature of standard SQL, and INFORMATION_SCHEMA is a MySQL specific command.
B) It is available for releases older than MySQL 5.0.
C) Using SHOW can provide more concise information.
D) It returns results quicker than using the INFORMATION_SCHEMA.

4. Which of the following steps should be performed in order to secure a MySQL server freshly installed from a binary tarball.

A) The MySQL server should be set to run as it's own user, not as an administrative account.
B) The server should be started with the mysqld_secure script.
C) All initial accounts should have passwords set and unused accounts should be removed.
D) The data directory and it's contents should be strictly accessible only to the user MySQL runs as.

5. Which of the following best describe what the mysql_tzinfo_to_sql script is needed for and how to use it?

A) The script is used to insert timezone files into MySQL.
B) shell> mysql_tzinfo_to_sql /usr/share/zoneinfo | mysql -u root mysql
C) shell> /usr/share/zoneinfo mysql_tzinfo_to_sql | mysql -u root mysql
D) The script is used to convert Unix-type timezone files into SQL statements that can be loaded.

Solutions: