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Added by Shahryar Ghazi on Tuesday September 07, 2010
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Recently, on our production servers we started seeing strange behavior by MySQL server while running queries on information_schema. Before getting into the gory details, I’d first explain the environment then the problem and its solution... (more)
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Added by Webmaster on Monday September 06, 2010
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After working with Linux operating system for quite sometime now, I have compiled a list of some of the most useful commands to help perform the day-to-day administrative tasks... (more)
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Added by Shahryar Ghazi on Sunday August 15, 2010
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You might find it useful to list all the views/tables in a particular database.
I am going to show you three different methods to get the lists using GUI and command line tools... (more)
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Added by Shahryar Ghazi on Sunday August 15, 2010
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MySQL supports several storage engines with different features and functions.
If you want to find out what tables are using a particular storage engine in MySQL then can run these simple queries in a MySQL command line interface... (more)
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Added by Shahryar Ghazi on Tuesday October 27, 2009
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MySQL provides statistical data for users to get more knowledge about the tables in databases. The command to get this useful information is "mysql table status"... (more)
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Added by Webmaster on Tuesday October 27, 2009
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MySQL Query browser is a freely available client tool to run queries and commands on MySQL servers. It comes as part of the MySQL GUI tools package, which can be installed on several platforms... (more)
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Added by Webmaster on Friday September 25, 2009
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Use mysqladmin utility to find MySQL server's uptime. Run the following command from command line... (more)
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Added by Shahryar Ghazi on Friday September 25, 2009
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If you have an empty data folder or you want to initialize/reinitialize MySQL server from scratch (possibly after dropping all existing databases) then use these instructions... (more)
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Added by Webmaster on Friday September 25, 2009
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To show indexes on a MySQL table execute any of the commands mentioned in the tutorial in a MySQL client... (more)
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Added by Webmaster on Friday September 25, 2009
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You can speed up index scans if you periodically perform a void ALTER TABLE operation, which causes MySQL to rebuild the table... (more)
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Added by Webmaster on Friday September 25, 2009
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If you have deleted a large no. of records from a table or if you have made many changes to a table with variables length rows, you should run OPTIMIZE TABLE command... (more)
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Added by Webmaster on Friday September 25, 2009
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UNION is used to combine the result from multiple SELECT statements into a single result set. By default, when it is applied to more than one queries, returns unique result sets only. UNION ALL on the other hand returns all rows in the result sets... (more)
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