CREATE TABLE `User`( `Id` BIGINT AUTO_INCREMENT NOT NULL, `Name` VARCHAR(10) NULL, `Phone` VAR ...
如下:一张订单表多个字段关联用户表: .链表查询 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 推荐指数:
CREATE TABLE `User`( `Id` BIGINT AUTO_INCREMENT NOT NULL, `Name` VARCHAR(10) NULL, `Phone` VAR ...
SELECT vtiger_orderitem.orderid, ( SELECT vtiger_users.last_name FROM vtiger_users W ...
有时候给了一个白名单,需要导入到白名单表 可使用如下方式导入 ...
SQL如下 select count(*) from information_schema.COLUMNS where TABLE_SCHEMA='数据库名' and table_name='表名' ...
TableA Aid A1 A2 A3 1 ABCD 11 aa 2 ...
update t1 set t1.BPTProductId=t2.BPTIdfrom Bas_ProductImageUrl t1join Bas_Products t2on t1.BPTBarCod ...
接着之前写的一篇文https://www.cnblogs.com/lingyejun/p/11915413.html 做什么事情 更新book_borrow表,设置其中的student_name为student表中的name,关联条件为book_borrow.student_id ...
mysql: UPDATE member a,`chanelh5` b SET b.channel_id = a.channel_idWHERE a.pcode = b.pcode ...