MySQL查看数据库表容量大小

佚名 6年前 (2019-04-08) 随笔 1907人围观抢沙发百度已收录

1.查看所有数据库容量大小

1 2 3 4 5 6 7 8 select table_schema as '数据库' , sum(table_rows) as '记录数' , sum(truncate(data_length/1024/1024, 2)) as '数据容量(MB)' , sum(truncate(index_length/1024/1024, 2)) as '索引容量(MB)' from information_schema.tables group by table_schema order by sum(data_length) desc, sum(index_length) desc;

2.查看所有数据库各表容量大小

1 2 3 4 5 6 7 8 select table_schema as '数据库' , table_name as '表名' , table_rows as '记录数' , truncate(data_length/1024/1024, 2) as '数据容量(MB)' , truncate(index_length/1024/1024, 2) as '索引容量(MB)' from information_schema.tables order by data_length desc, index_length desc;

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3.查看指定数据库容量大小

例：查看mysql库容量大小

1 2 3 4 5 6 7 select table_schema as '数据库' , sum(table_rows) as '记录数' , sum(truncate(data_length/1024/1024, 2)) as '数据容量(MB)' , sum(truncate(index_length/1024/1024, 2)) as '索引容量(MB)' from information_schema.tables where table_schema= 'mysql' ;

4.查看指定数据库各表容量大小

例：查看mysql库各表容量大小

1 2 3 4 5 6 7 8 9 select table_schema as '数据库' , table_name as '表名' , table_rows as '记录数' , truncate(data_length/1024/1024, 2) as '数据容量(MB)' , truncate(index_length/1024/1024, 2) as '索引容量(MB)' from information_schema.tables where table_schema= 'mysql' order by data_length desc, index_length desc;