原文:mysql一張表多個字段關聯另一張表查詢

如下:一張訂單表多個字段關聯用戶表: .鏈表查詢 SELECT cu.id AS id ,cu.version AS version ,cu.cid AS cid ,cu.uid AS uid ,cu.shopName AS shopName ,cu.address AS address , cu.totalPrice AS totalPrice ,cu.orderType AS orderTyp ...

2018-11-22 09:10 0 4598 推薦指數:

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MySQL查詢一張有多少個字段

SQL如下 select count(*) from information_schema.COLUMNS where TABLE_SCHEMA='數據庫名' and table_name='名'    ...

Thu Jun 06 18:35:00 CST 2019 0 2545
 
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