查看MySQL库 表所占磁盘空间大小

查询库

SELECT CONCAT(TRUNCATE(SUM(data_length)/1024/1024,2),"MB") AS data_size,CONCAT(TRUNCATE(SUM(max_data_length)/1024/1024,2),"MB") AS max_data_size,CONCAT(TRUNCATE(SUM(data_free)/1024/1024,2),"MB") AS data_free,CONCAT(TRUNCATE(SUM(index_length)/1024/1024,2),"MB") AS index_sizeFROM information_schema.tables WHERE TABLE_SCHEMA = "数据库名";

查询库

SELECT CONCAT(TRUNCATE(SUM(data_length)/1024/1024,2),"MB") AS data_size,CONCAT(TRUNCATE(SUM(max_data_length)/1024/1024,2),"MB") AS max_data_size,CONCAT(TRUNCATE(SUM(data_free)/1024/1024,2),"MB") AS data_free,CONCAT(TRUNCATE(SUM(index_length)/1024/1024,2),"MB") AS index_sizeFROM information_schema.tables WHERE TABLE_NAME = "表名";