mysql一些基本數據查詢

1 查詢指定數據庫的使用存儲空間數據庫 SELECT sum(DATA_LENGTH+INDEX_LENGTH)/1024/1024 FROM TABLES WHERE TABLE_SCHEMA='wechat';spa 2查詢表佔用的存儲空間orm SELECT sum(DATA_LENGTH+INDEX_LENGTH)/1024/1024 FROM TABLES WHERE TABLE_SCH

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