查看單個mysql資料庫中各個表的大小

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SQL命令為:

SELECT TABLE_NAME,DATA_LENGTH+INDEX_LENGTH,TABLE_ROWS,concat(round((DATA_LENGTH+INDEX_LENGTH)/1024/1024,2), ‘MB‘) as data FROM TABLES WHERE TABLE_SCHEMA=‘dbmysql‘;

select TABLE_NAME, concat(truncate(data_length/1024/1024,2),‘ MB‘) as data_size,concat(truncate(index_length/1024/1024,2),‘ MB‘) as index_size from information_schema.tables where TABLE_SCHEMA = ‘dbmysql‘ group by TABLE_NAME order by data_length desc;

說明:

TABLE_SCHEMA : 資料庫名

TABLE_NAME:表名

ENGINE:所使用的儲存引擎

DATA_LENGTH:資料大小

INDEX_LENGTH:索引大小

TABLES_ROWS:記錄數

查看單個mysql資料庫中各個表的大小

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