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mysql查詢表空間大小 mysql怎么查看數(shù)據(jù)庫中表的大???

mysql怎么查看數(shù)據(jù)庫中表的大???首先打開指定的數(shù)據(jù)庫:use information_schema如果想看指定數(shù)據(jù)庫中的數(shù)據(jù)表,可以用如下語句:select concat(round(sum(DA

mysql怎么查看數(shù)據(jù)庫中表的大???

首先打開指定的數(shù)據(jù)庫:use information_schema如果想看指定數(shù)據(jù)庫中的數(shù)據(jù)表,可以用如下語句:select concat(round(sum(DATA_LENGTH/1024/1024),2),"MB") as data from TABLES where table_schema="AAAA" and table_name="BBBB"如果想看數(shù)據(jù)庫中每個數(shù)據(jù)表的,可以用如下語句: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="AAAA"輸出: