http://www.mysqlperformanceblog.com/2007/05/09/merge-tables-gotcha/ Everything about MySQL Performance Tue, 02 Dec 2008 12:37:06 +0000 http://wordpress.org/?v=2.5.1 http://www.mysqlperformanceblog.com/2007/05/09/merge-tables-gotcha/#comment-257814 Arie Wed, 26 Mar 2008 22:46:10 +0000 http://www.mysqlperformanceblog.com/2007/05/09/merge-tables-gotcha/#comment-257814 i have a strange problem with merge table. i create 5 tables from the same create statement and merge table on them. indexes cardinality equals none. when i alter the merge table and leave only any 4 tables (in the union) index cardinality becomes a number. i have a strange problem with merge table. i create 5 tables from the same create statement and merge table on them.
indexes cardinality equals none. when i alter the merge table and leave only any 4 tables (in the union) index cardinality becomes a number.

]]> http://www.mysqlperformanceblog.com/2007/05/09/merge-tables-gotcha/#comment-124788 peter Mon, 14 May 2007 22:09:28 +0000 http://www.mysqlperformanceblog.com/2007/05/09/merge-tables-gotcha/#comment-124788 Thanks Sergei Fixed. Thanks Sergei Fixed.

]]> http://www.mysqlperformanceblog.com/2007/05/09/merge-tables-gotcha/#comment-121758 Sergei Golubchik Thu, 10 May 2007 16:10:10 +0000 http://www.mysqlperformanceblog.com/2007/05/09/merge-tables-gotcha/#comment-121758 typos: "merge table over merge tables" and "underlying merge tables". typos: “merge table over merge tables” and “underlying merge tables”.

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