Determine the version of MySQL server
Contributed by qmchenry 
Tagged: MySQL How do I tell what version of MySQL server that I am running?
To determine the version of the MySQL server running on host ‘elephant’ use:
mysql -h elephant -V
mysql Ver 12.21 Distrib 4.0.14, for pc-linux (i686)
The MySQL version indicated by the output line above is 4.0.14. To determine the version of MySQL running on the local host, use the same command without the ‘-h elephant’ option.
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T Dog said on August 27, 2009
This doesn’t work. The version displayed is the client, not the server. For proof, use -h foo and you get the same version.