速查mysql數據大小

# 1、查看所有數據庫大小 mysql> select concat(round(sum(DATA_LENGTH/1024/1024),2),'MB') as data_size from information_schema.TABLES; +-----------+ | data_size | +-----------+ | 2085.96MB | +-----------+ 1 row in set (0.00 sec) # 2、查看指定數據庫大小 mysql> select table_schema,concat(round(sum(DATA_LENGTH/1024/1024),2),'MB') as data_size from information_schema.TABLES where table_schema in ('db_test','dbtest_59') group by table_schema order by data_size desc; +--------------+-----------+ | table_schema | data_size | +--------------+-----------+ | dbtest_59 | 2060.28MB | | db_test | 0.27MB | +--------------+-----------+ 2 rows in set (0.00 sec) # 3、查看指定單表大小 mysql> select table_schema,table_name,concat(round(sum(DATA_LENGTH/1024/1024),2),'MB') as data_size from information_schema.TABLES where table_schema='dbtest_59' group by table_name desc order by data_size desc; +--------------+---------------------------------+-----------+ | table_schema | table_name | data_size | +--------------+---------------------------------+-----------+ | dbtest_59 | testbl_auto_schedul_studet_info | 2057.00MB | | dbtest_59 | testb_admin | 2.52MB | | dbtest_59 | testb_rbac_role_user | 0.38MB | | dbtest_59 | testb_rbac_role_access | 0.36MB | | dbtest_59 | testb_rbac_role | 0.02MB | | dbtest_59 | dy_students_info | 0.02MB | +--------------+---------------------------------+-----------+ 6 rows in set (0.00 sec) # 4、查詢數據庫大小

select table_schema,concat(round(sum(DATA_LENGTH/1024/1024),2),'MB') as data_size,table_name,table_rows from information_schema.TABLES where table_schema IN('dbtest_59') group by table_name order by table_rows desc; mysql> select table_schema,concat(round(sum(DATA_LENGTH/1024/1024),2),'MB') as data_size,table_name,table_rows from information_schema.TABLES where table_schema IN('dbtest_59') group by table_name order by table_rows desc; +--------------+-----------+---------------------------------+------------+ | table_schema | data_size | table_name | table_rows | +--------------+-----------+---------------------------------+------------+ | dbtest_59 | 2057.00MB | fudao_auto_schedule_course_info | 1497236 | | dbtest_59 | 2.52MB | fudao_admin | 10406 | | dbtest_59 | 0.38MB | fudao_rbac_role_user | 7778 | | dbtest_59 | 0.36MB | fudao_rbac_role_access | 3534 | | dbtest_59 | 0.02MB | fudao_rbac_role | 70 | | dbtest_59 | 0.02MB | dy_homework_info | 0 | +--------------+-----------+---------------------------------+------------+ 6 rows in set (0.00 sec)

?

轉載于:https://www.cnblogs.com/bjx2020/p/9316829.html

總結

以上是生活随笔為你收集整理的速查mysql数据大小的全部內容，希望文章能夠幫你解決所遇到的問題。

如果覺得生活随笔網站內容還不錯，歡迎將生活随笔推薦給好友。