select
table_schemaas'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)'
frominformation_schema.tables
groupbytable_schema
orderbysum(data_length) desc, sum(index_length) desc;
select
table_schemaas'資料庫',
table_nameas'表名',
table_rowsas'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)'
frominformation_schema.tables
orderbydata_length desc, index_length desc;
例：檢視mysql庫容量大小
select
table_schemaas'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)'
frominformation_schema.tables
wheretable_schema='mysql';
例：檢視mysql庫各表容量大小
select
table_schemaas'資料庫',
table_nameas'表名',
table_rowsas'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)'
frominformation_schema.tables
wheretable_schema='mysql'
orderbydata_length desc, index_length desc;
use information_schema;select concat(round(sum(data_length/1024/1024),2),'mb') as data from tables;比如檢視資料庫home的大小
select concat(round(sum(data_length/1024/1024),2),'mb') as data from tables where table_schema='home';比如檢視資料庫home中 members 表的大小
select concat(round(sum(data_length/1024/1024),2),'mb') as data from tables where table_schema='home' and table_name='members';mysqldump -uroot -ppassword [database name] [dump file]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...