sample158.sql

来自「T-SQL示例大全」· SQL 代码 · 共 14 行

/* 文件名称: Sample158.sql */
USE 北风贸易

SELECT a.公司名称,
       COUNT(DISTINCT b.订单号码) AS 订单张数,
       SUM(c.单价 * c.数量 * (1 - c.折扣)) AS 采购总金额
  FROM 客户 a 
       INNER JOIN 订货主档 b
       INNER JOIN 订货明细 c
       ON b.订单号码 = c.订单号码
       ON a.客户编号 = b.客户编号
  GROUP BY a.公司名称
  HAVING COUNT(DISTINCT b.订单号码) > 10