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innodb [2013/01/10 21:59] (current) – created - external edit 127.0.0.1
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 +====== InnoDB ======
  
 +  * [[MySQL]]
 +  * [[InnoDB Foreign Keys]]
 +  * [[Percona Toolkit]]
 +  * [[pt-find]]
 +
 +=== Find InnoDB tables ===
 +
 +The ''table_schema'' table is the database name.
 +
 +<code>
 +SELECT table_schema, table_name, engine FROM information_schema.tables WHERE engine = 'InnoDB' ORDER BY table_schema, table_name;
 +</code>
 +
 +Use pt-find:
 +
 +<code>
 +pt-find --noquote --engine InnoDB <database>
 +</code>
 +
 +=== Conversion ===
 +
 +Update MyISAM tables to InnoDB:
 +
 +<code>
 +pt-find --engine MyISAM --exec "ALTER TABLE %D.%N ENGINE=InnoDB" <database>
 +</code>
 +
 +When changing MySQL configuration, the default log file size of 5 MB will have to be changed.  Delete the old logs ''ib_logfile*'', then restart the MySQL database with the new configuration.
 +
 +After you're finished, run mysqlcheck on all the tables to verify their integrity.
 +
 +=== Dump and Recreate ===
 +
 +First, create a database dump that contains the schema only.
 +
 +<code>
 +mysqldump --no-data -r schema.sql --databases <database> 
 +</code>
 +
 +Create a database dump of the data only:
 +
 +<code>
 +mysqldump --no-create-db --no-create-info -r data.sql --databases <database>
 +</code>

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