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tech:mysql:check_all_database_sizes [2014/11/15 15:13] (current) – created - external edit 127.0.0.1
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 +====== Check the size of all MySQL databases ======
 +The script below will get the sizes of all databases for a MySQL server. Make sure you "use" a database before you run the script.
 +<code sql>
 +CREATE TABLE z_db_size
 +SELECT TABLE_SCHEMA AS 'database_name', TABLE_NAME AS 'table_name',
 +((DATA_LENGTH + INDEX_LENGTH - DATA_FREE) / 1024 / 1024) AS size_in_mb
 +FROM INFORMATION_SCHEMA.TABLES;
 +</code>
 +
 +Will create temporary table z_db_size
 +
 +<code sql>
 +select database_name, sum(size_in_mb)
 +from z_db_size
 +group by database_name
 +order by sum(size_in_mb);
 +</code>
 +
 +Once report is captured, drop temporary table
 +<code sql>
 +drop table z_db_size;
 +</code>
  

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