MySQL查看數據庫表容量大小的命令語句講解

本文主要給大家介紹MySQL查看數據庫表容量大小的命令語句講解，希望可以給大家補充和更新些知識，如有其它問題需要了解的可以持續在億速云行業資訊里面關注我的更新文章的。

1.查看所有數據庫容量大小

select table_schema as '數據庫',sum(table_rows) as '記錄數',sum(truncate(data_length/1024/1024, 2)) as '數據容量(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.查看所有數據庫各表容量大小

select table_schema as '數據庫',
table_name as '表名',
table_rows as '記錄數',truncate(data_length/1024/1024, 2) as '數據容量(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.查看指定數據庫容量大小

例：查看mysql庫容量大小

select table_schema as '數據庫',sum(table_rows) as '記錄數',sum(truncate(data_length/1024/1024, 2)) as '數據容量(MB)',sum(truncate(index_length/1024/1024, 2)) as '索引容量(MB)'from information_schema.tableswhere table_schema='mysql';

4.查看指定數據庫各表容量大小

例：查看mysql庫各表容量大小

select table_schema as '數據庫',
table_name as '表名',
table_rows as '記錄數',truncate(data_length/1024/1024, 2) as '數據容量(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;

本文講解了如何通過MySQL查看數據庫表容量大小，更多相關內容請關注億速云。

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