所有要求都是用sql sever语句实现 创建一个数据库,至少里面有5个表,每个表至少有十条数据,至少有两个表具有外键, 使用模式匹配查询,使用top查询,in查询,降序查询,使用count集合函数查询,分组统计查询,使用连接条件的多表查询,比较运算符的子查询,使用in的子查询 创建视图并使用 创建索引 创建唯一性约束,检查约束,默认值约束,外键约束 创建一个存储过程并使用 在某个表上创建一个插入和更新的DML触发器
时间: 2024-03-12 18:45:03 浏览: 86
好的,您的问题是如何使用 SQL Server 语句创建一个数据库,至少包含 5 个表,每个表至少包含 10 条数据,其中至少有 2 个表具有外键,以及其他的一些操作。下面是一个示例 SQL Server 语句,可以用来创建这样的数据库:
```
-- 创建数据库
CREATE DATABASE MyDatabase;
-- 使用 MyDatabase 数据库
USE MyDatabase;
-- 创建表1
CREATE TABLE Table1 (
Id INT PRIMARY KEY,
Name VARCHAR(50),
Age INT,
Gender VARCHAR(10)
);
-- 插入数据至表1
INSERT INTO Table1 (Id, Name, Age, Gender)
VALUES (1, 'Tom', 20, 'Male'),
(2, 'Lucy', 22, 'Female'),
(3, 'Jack', 25, 'Male'),
(4, 'Mary', 19, 'Female'),
(5, 'John', 24, 'Male'),
(6, 'Lily', 21, 'Female'),
(7, 'Mike', 23, 'Male'),
(8, 'Alice', 18, 'Female'),
(9, 'Bob', 26, 'Male'),
(10, 'Kate', 27, 'Female');
-- 创建表2
CREATE TABLE Table2 (
Id INT PRIMARY KEY,
Address VARCHAR(100),
Phone VARCHAR(20),
Email VARCHAR(50)
);
-- 插入数据至表2
INSERT INTO Table2 (Id, Address, Phone, Email)
VALUES (1, 'Beijing', '1234567890', 'tom@example.com'),
(2, 'Shanghai', '2345678901', 'lucy@example.com'),
(3, 'Guangzhou', '3456789012', 'jack@example.com'),
(4, 'Shenzhen', '4567890123', 'mary@example.com'),
(5, 'Hangzhou', '5678901234', 'john@example.com'),
(6, 'Chengdu', '6789012345', 'lily@example.com'),
(7, 'Chongqing', '7890123456', 'mike@example.com'),
(8, 'Wuhan', '8901234567', 'alice@example.com'),
(9, 'Nanjing', '9012345678', 'bob@example.com'),
(10, 'Xi''an', '0123456789', 'kate@example.com');
-- 创建表3
CREATE TABLE Table3 (
Id INT PRIMARY KEY,
Table1Id INT FOREIGN KEY REFERENCES Table1(Id),
Table2Id INT FOREIGN KEY REFERENCES Table2(Id),
Detail VARCHAR(100)
);
-- 插入数据至表3
INSERT INTO Table3 (Id, Table1Id, Table2Id, Detail)
VALUES (1, 1, 1, 'Detail1'),
(2, 2, 2, 'Detail2'),
(3, 3, 3, 'Detail3'),
(4, 4, 4, 'Detail4'),
(5, 5, 5, 'Detail5'),
(6, 6, 6, 'Detail6'),
(7, 7, 7, 'Detail7'),
(8, 8, 8, 'Detail8'),
(9, 9, 9, 'Detail9'),
(10, 10, 10, 'Detail10');
-- 创建表4
CREATE TABLE Table4 (
Id INT PRIMARY KEY,
Name VARCHAR(50),
Description VARCHAR(100)
);
-- 插入数据至表4
INSERT INTO Table4 (Id, Name, Description)
VALUES (1, 'Name1', 'Description1'),
(2, 'Name2', 'Description2'),
(3, 'Name3', 'Description3'),
(4, 'Name4', 'Description4'),
(5, 'Name5', 'Description5'),
(6, 'Name6', 'Description6'),
(7, 'Name7', 'Description7'),
(8, 'Name8', 'Description8'),
(9, 'Name9', 'Description9'),
(10, 'Name10', 'Description10');
-- 创建表5
CREATE TABLE Table5 (
Id INT PRIMARY KEY,
Table4Id INT FOREIGN KEY REFERENCES Table4(Id),
Name VARCHAR(50),
Value FLOAT
);
-- 插入数据至表5
INSERT INTO Table5 (Id, Table4Id, Name, Value)
VALUES (1, 1, 'Value1', 1.1),
(2, 2, 'Value2', 2.2),
(3, 3, 'Value3', 3.3),
(4, 4, 'Value4', 4.4),
(5, 5, 'Value5', 5.5),
(6, 6, 'Value6', 6.6),
(7, 7, 'Value7', 7.7),
(8, 8, 'Value8', 8.8),
(9, 9, 'Value9', 9.9),
(10, 10, 'Value10', 10.0);
-- 使用模式匹配查询
SELECT * FROM Table1 WHERE Name LIKE '%y%';
-- 使用 TOP 查询
SELECT TOP 5 * FROM Table2;
-- 使用 IN 查询
SELECT * FROM Table3 WHERE Table1Id IN (1, 3, 5);
-- 降序查询
SELECT * FROM Table4 ORDER BY Id DESC;
-- 使用 COUNT 集合函数查询
SELECT COUNT(*) FROM Table5 WHERE Value > 5;
-- 分组统计查询
SELECT Table5.Table4Id, AVG(Table5.Value) AS AvgValue
FROM Table5
GROUP BY Table5.Table4Id;
-- 使用连接条件的多表查询
SELECT Table1.Name, Table2.Email, Table3.Detail
FROM Table1
INNER JOIN Table3 ON Table1.Id = Table3.Table1Id
INNER JOIN Table2 ON Table2.Id = Table3.Table2Id;
-- 比较运算符的子查询
SELECT *
FROM Table1
WHERE Age > (SELECT AVG(Age) FROM Table1);
-- 使用 IN 的子查询
SELECT *
FROM Table4
WHERE Id IN (SELECT Table4Id FROM Table5 WHERE Value > 5);
-- 创建视图并使用
CREATE VIEW View1
AS
SELECT Table1.Name, Table2.Address
FROM Table1
INNER JOIN Table3 ON Table1.Id = Table3.Table1Id
INNER JOIN Table2 ON Table2.Id = Table3.Table2Id;
SELECT * FROM View1;
-- 创建索引
CREATE INDEX Index1 ON Table2 (Address);
-- 创建唯一性约束
ALTER TABLE Table1 ADD CONSTRAINT UniqueName UNIQUE (Name);
-- 检查约束
ALTER TABLE Table2 ADD CONSTRAINT CheckPhone CHECK (LEN(Phone) = 10);
-- 默认值约束
ALTER TABLE Table3 ADD CONSTRAINT DefaultDetail DEFAULT ('Default') FOR Detail;
-- 外键约束
ALTER TABLE Table5 ADD CONSTRAINT FK_Table4Id FOREIGN KEY (Table4Id) REFERENCES Table4(Id);
-- 创建一个存储过程并使用
CREATE PROCEDURE Procedure1
AS
BEGIN
SELECT * FROM Table1;
SELECT * FROM Table2;
END;
EXEC Procedure1;
-- 在某个表上创建一个插入和更新的 DML 触发器
CREATE TRIGGER Trigger1
ON Table1
AFTER INSERT, UPDATE
AS
BEGIN
INSERT INTO Table2 (Id, Address, Phone, Email) VALUES (1, 'Address1', '1111111111', 'email1@example.com');
END;
```
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