ICode9

精准搜索请尝试: 精确搜索
首页 > 数据库> 文章详细

MySQL小项目-曹操外卖

2019-10-09 12:56:24  阅读:526  来源: 互联网

标签:goods 曹操 cateid unitprice goodsid 外卖 MySQL WHERE SELECT


                                                            173页
SELECT * FROM orders ORDER BY orderdate DESC; SELECT a.title,a.unitprice,a.discount,a.descrioption FROM goods a,orderdetails b WHERE a.goodsid=b.goodsid and qty=(SELECT max(qty) FROM orderdetails);SELECT * FROM goods WHERE discount<1; SELECT * FROM goods WHERE discount<1; SELECT * FROM goods WHERE title LIKE '%汉堡%'; SELECT title as '名称',descrioption as '口味',cateid as '编号'FROM goods GROUP BY title,descrioption,cateid; SELECT * FROM goods WHERE cateid=1; UPDATE goods SET gwc=1; SELECT * FROM goods WHERE gwc=1 AND EXISTS(SELECT * FROM customers WHERE custname='黄药师'); SELECT * FROM orders WHERE orderno=20110508002 AND EXISTS(SELECT * FROM customers WHERE custname='黄药师'); INSERT goods(goodsid,title,unitprice,discount,cateid,storeid,roat,descrioption,packingexpense)
VALUES (1,'米饭',10,0.75,8,2,3,'微辣',2); UPDATE goods SET descrioption='麻辣'; UPDATE goods SET discount=0.75 WHERE goodsid='6'; SELECT * FROM orders WHERE orderstatus IN ('已发货'); SELECT a.orderid,a.orderno,a.custname,a.custphone,a.custaddress,a.invoicecontent,a.orderstatus,b.goodsid,b.qty,b.unitprice,c.loginpwd,c.account FROM orders a INNER JOIN orderdetails b ON a.orderno=b.orderid INNER JOIN customers c ON a.custid=c.custid; UPDATE customers SET account=1000 WHERE custid='2'; UPDATE customers SET loginpwd=2312 WHERE custid='2';                                                         179页 SELECT goodsid,title,unitprice,discount,cateid,storeid,roat,descrioption,packingexpense FROM goods; SELECT * FROM goods WHERE cateid=(SELECT cateid FROM category WHERE cateName='川湘菜'); SELECT * FROM goods WHERE title LIKE '%大盘鸡%'; SELECT * FROM goods WHERE roat=5 AND descrioption='麻辣'; SELECT goodsid,title,unitprice,discount,cateid,storeid,roat,descrioption,packingexpense FROM goods WHERE goodsid=24; SELECT * FROM goods WHERE goodsid in(SELECT goodsid FROM orderdetails ORDER BY qty DESC LIMIT 10); SELECT * FROM orders WHERE custname='黄雅玲'; SELECT * FROM goods WHERE cateid=6 and storeid IN(SELECT storeid FROM store WHERE personspending>=30 and personspending<=50); SELECT c.cateName,a.title,b.unitprice as 销售总额 FROM goods a,orderdetails b,category c WHERE a.goodsid=b.goodsid and a.cateid=c.cateid; SELECT sum(unitprice) as 销售总额 FROM orderdetails; SELECT c.cateName as 外卖类型,b.qty as 销售数量,a.title as 外卖商品 FROM goods a,orderdetails b,category c WHERE a.goodsid=b.goodsid and a.cateid=c.cateid; SELECT * FROM goods WHERE storeid=4;                               180页 SELECT c.orderdate,a.title,b.qty,a.unitprice FROM goods a,orderdetails b,orders c WHERE a.goodsid=b.goodsid and b.orderid=c.orderid and orderstatus='已收货'; SELECT custname,custaddress,custphone FROM orders; SELECT count(phone) as 人数 FROM customers WHERE phone LIKE '188%'; SELECT count(custaddress) as 人数 FROM orders WHERE custaddress like '%二七广场%'; SELECT custname,custphone FROM orders WHERE orderprice=(SELECT max(orderprice) FROM orders); SELECT d.custname,d.custaddress,a.title,a.unitprice,b.qty,c.cateName FROM goods a,orderdetails b,category c,orders d WHERE a.cateid=c.cateid and b.orderid=d.orderid and b.goodsid=a.goodsid and custaddress='北京市和平东路四段32号'; SELECT d.custname,d.custaddress,a.title,a.unitprice,b.qty,c.cateName FROM goods a,orderdetails b,category c,orders d WHERE a.cateid=c.cateid and b.orderid=d.orderid and b.goodsid=a.goodsid and custaddress='北京市和平东路四段32号' ORDER BY a.unitprice DESC; SELECT b.cateName FROM goods a,category b WHERE a.cateid=b.cateid and a.unitprice=(SELECT max(unitprice) FROM goods); SELECT orderdate,max(orderprice) as 最高金额 FROM orders; SELECT b.cateName,count(title) as 数量 FROM goods a,category b WHERE a.cateid=b.cateid GROUP BY a.title; SELECT custname FROM orders WHERE orderprice=(SELECT max(orderprice) FROM orders); SELECT MAX(unitprice)AS 最高价格 FROM goods; SELECT MIN(unitprice)AS 最低价格 FROM goods;SELECT AVG(untiprice)AS 平均价格 FROM goods;

标签:goods,曹操,cateid,unitprice,goodsid,外卖,MySQL,WHERE,SELECT
来源: https://www.cnblogs.com/zslzmzms/p/11641049.html

本站声明: 1. iCode9 技术分享网(下文简称本站)提供的所有内容,仅供技术学习、探讨和分享;
2. 关于本站的所有留言、评论、转载及引用,纯属内容发起人的个人观点,与本站观点和立场无关;
3. 关于本站的所有言论和文字,纯属内容发起人的个人观点,与本站观点和立场无关;
4. 本站文章均是网友提供,不完全保证技术分享内容的完整性、准确性、时效性、风险性和版权归属;如您发现该文章侵犯了您的权益,可联系我们第一时间进行删除;
5. 本站为非盈利性的个人网站,所有内容不会用来进行牟利,也不会利用任何形式的广告来间接获益,纯粹是为了广大技术爱好者提供技术内容和技术思想的分享性交流网站。

专注分享技术,共同学习,共同进步。侵权联系[81616952@qq.com]

Copyright (C)ICode9.com, All Rights Reserved.

ICode9版权所有