MySQL查看数据库表容量大小
1.查看所有数据库容量大小
|
1
2
3
4
5
6
7
8
|
selecttable_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.tablesgroup by table_schemaorder 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
|
selecttable_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.tablesorder by data_length desc, index_length desc; |
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
|
selecttable_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.tableswhere 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
|
selecttable_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.tableswhere table_schema='mysql'order by data_length desc, index_length desc; |

浙公网安备 33010602011771号