Created
August 12, 2015 14:21
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Find the largest (byte size) 20 tables in GB in MySQL 5.x - taken from: https://www.percona.com/blog/2008/02/04/finding-out-largest-tables-on-mysql-server/
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| 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 * 1024 ), 2), 'G') total_size, | |
| ROUND(index_length / data_length, 2) idxfrac | |
| FROM information_schema.TABLES | |
| ORDER BY data_length + index_length DESC | |
| LIMIT 20; |
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Updated:
SELECT table_name "Table Name", table_rows "Rows Count", round(((data_length + index_length)/1024/1024),2) as megabytes FROM information_schema.TABLES WHERE table_schema = "app" order by megabytes asc;