Check MySQL Database Size
root@zwc 11:11:29>SELECT -> ROUND( -> SUM(data_length + index_length) / 1024 / 1024 -> ) TOTAL_MB, -> ROUND(SUM(data_length) / 1024 / 1024) DATA_MB, -> ROUND( -> SUM(index_length) / 1024 / 1024 -> ) INDEX_MB -> FROM -> information_schema. TABLES; +----------+---------+----------+ | TOTAL_MB | DATA_MB | INDEX_MB | +----------+---------+----------+ | 944 | 466 | 478 | +----------+---------+----------+ 1 row in set (0.04 sec) root@zwc 11:16:13>SELECT -> TABLE_SCHEMA, -> ENGINE, -> ROUND( -> SUM(data_length + index_length) / 1024 / 1024 -> ) TOTAL_MB, -> ROUND(SUM(data_length) / 1024 / 1024) DATA_MB, -> ROUND( -> SUM(index_length) / 1024 / 1024 -> ) INDEX_MB, -> count(*) "TABLES" -> FROM -> information_schema. TABLES -> GROUP BY -> TABLE_SCHEMA, -> ENGINE -> ORDER BY 3 DESC; +--------------------+--------------------+----------+---------+----------+--------+ | TABLE_SCHEMA | ENGINE | TOTAL_MB | DATA_MB | INDEX_MB | TABLES | +--------------------+--------------------+----------+---------+----------+--------+ | zwc | MyISAM | 485 | 191 | 294 | 1 | | zwc | InnoDB | 456 | 273 | 183 | 1 | | common_schema | InnoDB | 2 | 2 | 0 | 11 | | mysql | MyISAM | 1 | 1 | 0 | 22 | | information_schema | MyISAM | 0 | 0 | 0 | 9 | | mysql | CSV | 0 | 0 | 0 | 2 | | information_schema | MEMORY | 0 | 0 | 0 | 28 | | common_schema | MyISAM | 0 | 0 | 0 | 7 | | performance_schema | PERFORMANCE_SCHEMA | 0 | 0 | 0 | 17 | | common_schema | NULL | NULL | NULL | NULL | 62 | +--------------------+--------------------+----------+---------+----------+--------+ 10 rows in set (0.03 sec) SELECT TABLE_SCHEMA, ENGINE, ROUND( SUM(data_length + index_length) / 1024 / 1024 ) TOTAL_MB, ROUND(SUM(data_length) / 1024 / 1024) DATA_MB, ROUND( SUM(index_length) / 1024 / 1024 ) INDEX_MB, count(*) "TABLES" FROM information_schema. TABLES GROUP BY TABLE_SCHEMA, ENGINE ORDER BY 3 DESC; SELECT ROUND( SUM(data_length + index_length) / 1024 / 1024 ) TOTAL_MB, ROUND(SUM(data_length) / 1024 / 1024) DATA_MB, ROUND( SUM(index_length) / 1024 / 1024 ) INDEX_MB FROM information_schema. TABLES;
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