From 7d92fa6b8b5f1b82bc36f21426ae07e3029da552 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=8F=AE=E5=8F=AE=E5=BD=93?= <2496363855@qq.com>
Date: Mon, 5 Apr 2021 23:45:40 +0800
Subject: [PATCH] =?UTF-8?q?=E6=A2=81=E4=B8=96=E8=B1=AA?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../4.1a1.sql"                                | 54 +++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 "\347\254\254\345\215\201\344\270\211\346\254\241\350\257\276\344\275\234\344\270\232/\346\242\201\344\270\226\350\261\252/4.1a1.sql"

diff --git "a/\347\254\254\345\215\201\344\270\211\346\254\241\350\257\276\344\275\234\344\270\232/\346\242\201\344\270\226\350\261\252/4.1a1.sql" "b/\347\254\254\345\215\201\344\270\211\346\254\241\350\257\276\344\275\234\344\270\232/\346\242\201\344\270\226\350\261\252/4.1a1.sql"
new file mode 100644
index 0000000..b0057fa
--- /dev/null
+++ "b/\347\254\254\345\215\201\344\270\211\346\254\241\350\257\276\344\275\234\344\270\232/\346\242\201\344\270\226\350\261\252/4.1a1.sql"
@@ -0,0 +1,54 @@
+use master 
+go
+create database GoodsDB
+on
+(
+	name='GoodsDB.mdf',
+	filename='D:\GoodsDB.mdf',
+	size=5,
+	maxsize=15,
+	filegrowth=15%
+)
+log on
+(
+	name='GoodsDB_log.ldf',
+	filename='D:\GoodsDB_log.ldf',
+	size=5,
+	maxsize=15,
+	filegrowth=15%
+)
+go 
+use GoodsDB
+go
+create table GoodsType
+(
+	TypeID int primary key identity(1,1),
+	TypeName nvarchar(20) not null
+)
+go 
+create table GoodsInfo
+(
+	GoodsID int primary key identity(1,1),
+	GoodsName nvarchar(20) not null,
+	GoodsColor nvarchar(20) not null,
+	GoodsBrand nvarchar(20),
+	GoodsMoney money not null,
+	TypeID int references GoodsType(TypeID)
+)
+insert into GoodsType (TypeName)values ('服装内衣'),
+('鞋包配饰'),('手机数码')
+insert into GoodsInfo  values ('提花小西装', '红色' ,'菲曼琪', '300' ,'1'),
+('百搭短裤', '绿色',' 哥弟', '100', 1),('无袖背心', '白色',' 阿依莲',' 700', 1),
+('低帮休闲鞋',' 红色',' 菲曼琪',' 900', 2),
+('中跟单鞋',' 绿色 ','哥弟',' 400', 2),('平底鞋',' 白色 ','阿依莲',' 200', 2),
+('迷你照相机',' 红色',' 尼康',' 500', 3),
+('硬盘',' 黑色 ','希捷',' 600', 3),('显卡',' 黑色',' 技嘉', '800', 3)
+--3、查询价格最贵的商品名称，商品颜色和商品价格，要求使用别名显示列名
+select top 1 GoodsName 商品名称,GoodsColor 商品颜色,max(GoodsMoney) 最贵的商品价格 from GoodsInfo 
+group by GoodsName,GoodsColor order by max(GoodsMoney) desc
+--4、按商品类型编号分组查询商品最高价格，最低价格和平均价格，要求使用别名显示列名
+select TypeID 商品类型编号,max(GoodsMoney) 商品最高价格,
+min(GoodsMoney) 最低价格,avg(GoodsMoney) 平均价格
+ from GoodsInfo group by TypeID
+--5、查询商品信息所有列，要求商品颜色为红色，价格在300~600之间
+select * from GoodsInfo where GoodsColor='红色' and (GoodsMoney between 300 and 600)
\ No newline at end of file
-- 
Gitee