Largest tables (mysql)

largest.sql

/*
http://www.percona.com/blog/2008/02/04/finding-out-largest-tables-on-mysql-server/
*/

SELECT CONCAT(table_schema, '.', table_name)                                          ,
       CONCAT(ROUND(table_rows / 1000000, 2), 'M')                                    rows,
       CONCAT(ROUND(data_length / ( 1024 * 1024 * 1024 ), 2), 'G')                    DATA,
       CONCAT(ROUND(index_length / ( 1024 * 1024 * 1024 ), 2), 'G')                   idx,
       CONCAT(ROUND(( data_length + index_length ) / ( 1024 * 1024 ), 2), 'M') total_size,
       ROUND(index_length / data_length, 2)                                           idxfrac
FROM   information_schema.TABLES
WHERE  table_schema = "execstagingdb"
ORDER  BY data_length + index_length DESC
LIMIT  10;