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Mysql查询数据量大小

2022-10-20 11:28  假面Wilson  阅读(216)  评论(0)    收藏  举报 
--按实例
SELECT CONCAT(round(sum(DATA_LENGTH/1024/1024/1024),2),"GB") as datazise FROM information_schema.TABLES
--按库
SELECT table_schema,CONCAT(round(sum(DATA_LENGTH/1024/1024/1024),2),"GB") as datazise FROM information_schema.TABLES GROUP BY table_schema;
--按表
SELECT table_schema,table_name,CONCAT(round(sum(DATA_LENGTH/1024/1024),2),"MB") as datazise FROM information_schema.TABLES GROUP BY table_schema,table_name;