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Re: mysql changing char to varchar
Posted by: James Day
Date: April 10, 2005 09:34AM

See http://dev.mysql.com/doc/mysql/en/silent-column-changes.html , specifically "If any column in a table has a variable length, the entire row becomes variable-length as a result. Therefore, if a table contains any variable-length columns (VARCHAR, TEXT, or BLOB), all CHAR columns longer than three characters are changed to VARCHAR columns".

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