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2.2. Determining your current MySQL version

To determine the version and release of your currently installed MySQL installation, there are a number of options.

  • Using a command client (mysql), the server version of the MySQL server to which you are connected is shown once you are connected. The server version information includes community or enterprise accordingly.

    For example, here is the output from a MySQL Community Server edition installed on Linux: 

    Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 6
Server version: 5.0.27-standard MySQL Community Edition - Standard (GPL)

Type 'help;' or '\h' for help. Type '\c' to clear the buffer.

mysql>

    This is an example of the output from MySQL Enterprise Server on Windows: 

    Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.0.28-enterprise-gpl-nt MySQL Enterprise Server (GPL)

Type 'help;' or '\h' for help. Type '\c' to clear the buffer.

  • You may also determine the version information using the version variables. Both the version and version_comment variables contain version information for the server to which you are connected. Use the SHOW VARIABLES statement to obtain the information you want, as shown in this example: 

    mysql> SHOW VARIABLES LIKE "%version%";
+-------------------------+------------------------------------------+
| Variable_name           | Value                                    |
+-------------------------+------------------------------------------+
| protocol_version        | 10                                       |
| version                 | 5.0.27-standard                          |
| version_comment         | MySQL Community Edition - Standard (GPL) |
| version_compile_machine | i686                                     |
| version_compile_os      | pc-linux-gnu                             |
+-------------------------+------------------------------------------+
5 rows in set (0.04 sec)

    Note

    MySQL Administrator shows the server version within the Server Information tab. However, only the value of version is shown.

  • The STATUS command displays the version as well as version comment information. For example: 

    mysql> STATUS;
--------------
./client/mysql  Ver 14.12 Distrib 5.0.29, for pc-linux-gnu (i686) using readline 5.0

Connection id:          8
Current database:
Current user:           mc@localhost
SSL:                    Not in use
Current pager:          /usr/bin/less
Using outfile:          ''
Using delimiter:        ;
Server version:         5.0.27-standard MySQL Community Edition - Standard (GPL)
Protocol version:       10
Connection:             Localhost via UNIX socket
Server characterset:    latin1
Db     characterset:    latin1
Client characterset:    latin1
Conn.  characterset:    latin1
UNIX socket:            /tmp/mysql.sock
Uptime:                 1 day 3 hours 58 min 43 sec

Threads: 2  Questions: 17  Slow queries: 0  Opens: 11  Flush tables: 1  Open tables: 6  Queries per second avg: 0.000
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