Name — the name of the option or variable.

Intr — the version in which the option or variable was introduced in mysqld

Depr — the version of mysqld in which the option or variable was deprecated.

Cmd — indicates whether the option/variable is valid on the command line.

Cnf — indicates whether the option is valid within a configuration file.

Srvr — indicates whether the variable is a server system variable.

Stat — indicates whether the variable is a status variable.

Scp — indicates the scope of the variable (session-specific, global, or both).

Dyn — indicates whether the variable is dynamically settable while the server is running.

5.0, 5.1, and so forth — indicates if the option/variable is available in the MySQL 5.0 series. If more information is available in the main reference manual, the indication will be a link to the correct part of the manual.