mysql命令总结

统计全库数据量：

use information_schema;

SELECT

TABLE_NAME,

(DATA_LENGTH/1024/1024) as DataM ,

(INDEX_LENGTH/1024/1024) as IndexM,

((DATA_LENGTH+INDEX_LENGTH)/1024/1024) as AllM,

TABLE_ROWS

FROM

TABLES

WHERE

TABLE_SCHEMA = 'database_name';