MySQL檢視資料庫表容量大小

2022-04-29 05:39:09 字數 1707 閱讀 5268

本文介紹mysql檢視資料庫表容量大小的命令語句,提供完整查詢語句及例項,方便大家學習使用。 

select

table_schema as'

資料庫'

,sum(table_rows) as

'記錄數',

sum(truncate(data_length/

1024

/1024, 2)) as

'資料容量(mb)',

sum(truncate(index_length/

1024

/1024, 2)) as

'索引容量(mb)

'from

information_schema.tables

group

bytable_schema

order

bysum(data_length) desc, sum(index_length) desc;

select

table_schema as'

資料庫'

,table_name as'

表名',table_rows as'

記錄數'

,truncate(data_length/

1024

/1024, 2) as

'資料容量(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;

例:檢視mysql庫容量大小

select

table_schema as'

資料庫'

,sum(table_rows) as

'記錄數',

sum(truncate(data_length/

1024

/1024, 2)) as

'資料容量(mb)',

sum(truncate(index_length/

1024

/1024, 2)) as

'索引容量(mb)

'from

information_schema.tables

where table_schema=

'mysql

';

例:檢視mysql庫各表容量大小

select

table_schema as'

資料庫'

,table_name as'

表名',table_rows as'

記錄數'

,truncate(data_length/

1024

/1024, 2) as

'資料容量(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;

MySQL檢視資料庫表容量大小

select table schema as 資料庫 sum table rows as 記錄數 sum truncate data length 1024 1024,2 as 資料容量 mb sum truncate index length 1024 1024,2 as 索引容量 mb from...

MySQL檢視資料庫表容量大小

1.檢視所有資料庫容量大小 select table schema as 資料庫 sum table rows as 記錄數 sum truncate data length 1024 1024,2 as 資料容量 mb sum truncate index length 1024 1024,2 a...

MySQL檢視資料庫表容量大小

1.檢視所有資料庫容量大小 select table schema as 資料庫 sum table rows as 記錄數 sum truncate data length 1024 1024,2 as 資料容量 mb sum truncate index length 1024 1024,2 a...