Sysadmin

MySQL Query Table Sizes

Return a table with the table sizes in descending order of the selected database. Run this from mysql console. It will let you compare actual table size versus disk size (before you optimize table to reclaim space).

SELECT 
     table_schema as `Database`, 
     table_name AS `Table`, 
     round(((data_length + index_length) / 1024 / 1024), 2) `Size in MB` 
FROM information_schema.TABLES 
ORDER BY (data_length + index_length) DESC;
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