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,没个表至少有十条数据,至少有俩个表具有外键 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: 2023-12-11 10:02:33 浏览: 61
好的,我明白了您的问题。以下是 SQL Sever 实现您要求的步骤:
1. 创建数据库并添加表及数据
```sql
CREATE DATABASE MyDatabase;
GO
USE MyDatabase;
GO
-- 创建表1
CREATE TABLE Table1 (
ID INT PRIMARY KEY,
Name VARCHAR(50),
Age INT,
Gender CHAR(1)
);
-- 添加数据到表1
INSERT INTO Table1 VALUES (1, 'John', 25, 'M');
INSERT INTO Table1 VALUES (2, 'Jane', 30, 'F');
INSERT INTO Table1 VALUES (3, 'Bob', 40, 'M');
INSERT INTO Table1 VALUES (4, 'Alice', 20, 'F');
INSERT INTO Table1 VALUES (5, 'Mike', 35, 'M');
INSERT INTO Table1 VALUES (6, 'Lisa', 27, 'F');
INSERT INTO Table1 VALUES (7, 'David', 50, 'M');
INSERT INTO Table1 VALUES (8, 'Mary', 22, 'F');
INSERT INTO Table1 VALUES (9, 'Tom', 45, 'M');
INSERT INTO Table1 VALUES (10, 'Kate', 28, 'F');
-- 创建表2
CREATE TABLE Table2 (
ID INT PRIMARY KEY,
Address VARCHAR(100),
Phone VARCHAR(20)
);
-- 添加数据到表2
INSERT INTO Table2 VALUES (1, '123 Main St', '555-1234');
INSERT INTO Table2 VALUES (2, '456 Elm St', '555-5678');
INSERT INTO Table2 VALUES (3, '789 Oak St', '555-9012');
INSERT INTO Table2 VALUES (4, '321 Pine St', '555-3456');
INSERT INTO Table2 VALUES (5, '654 Maple St', '555-7890');
-- 创建表3
CREATE TABLE Table3 (
ID INT PRIMARY KEY,
Table1ID INT,
Description VARCHAR(100),
FOREIGN KEY (Table1ID) REFERENCES Table1(ID)
);
-- 添加数据到表3
INSERT INTO Table3 VALUES (1, 1, 'Description 1');
INSERT INTO Table3 VALUES (2, 2, 'Description 2');
INSERT INTO Table3 VALUES (3, 3, 'Description 3');
INSERT INTO Table3 VALUES (4, 4, 'Description 4');
INSERT INTO Table3 VALUES (5, 5, 'Description 5');
-- 创建表4
CREATE TABLE Table4 (
ID INT PRIMARY KEY,
Table1ID INT,
Table2ID INT,
FOREIGN KEY (Table1ID) REFERENCES Table1(ID),
FOREIGN KEY (Table2ID) REFERENCES Table2(ID)
);
-- 添加数据到表4
INSERT INTO Table4 VALUES (1, 1, 2);
INSERT INTO Table4 VALUES (2, 2, 5);
INSERT INTO Table4 VALUES (3, 3, 1);
INSERT INTO Table4 VALUES (4, 4, 3);
INSERT INTO Table4 VALUES (5, 5, 4);
-- 创建表5
CREATE TABLE Table5 (
ID INT PRIMARY KEY,
Value INT
);
-- 添加数据到表5
INSERT INTO Table5 VALUES (1, 10);
INSERT INTO Table5 VALUES (2, 20);
INSERT INTO Table5 VALUES (3, 30);
INSERT INTO Table5 VALUES (4, 40);
INSERT INTO Table5 VALUES (5, 50);
```
2. 使用模式匹配查询、使用 TOP 查询、使用 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
```sql
-- 模式匹配查询
SELECT * FROM Table1 WHERE Name LIKE 'J%';
-- TOP 查询
SELECT TOP 3 * FROM Table1;
-- IN 查询
SELECT * FROM Table1 WHERE Gender IN ('M', 'F');
-- 降序查询
SELECT * FROM Table1 ORDER BY Age DESC;
-- COUNT 集合函数查询
SELECT COUNT(*) FROM Table1;
-- 分组统计查询
SELECT Gender, AVG(Age) AS AverageAge FROM Table1 GROUP BY Gender;
-- 使用连接条件的多表查询
SELECT Table1.Name, Table2.Address FROM Table1 JOIN Table4 ON Table1.ID = Table4.Table1ID JOIN Table2 ON Table4.Table2ID = Table2.ID;
-- 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 Table1 WHERE ID IN (SELECT Table1ID FROM Table3 WHERE Description = 'Description 1');
```
3. 创建视图并使用
```sql
-- 创建视图
CREATE VIEW View1 AS
SELECT Table1.Name, Table2.Address FROM Table1 JOIN Table4 ON Table1.ID = Table4.Table1ID JOIN Table2 ON Table4.Table2ID = Table2.ID;
-- 使用视图
SELECT * FROM View1;
```
4. 创建索引
```sql
-- 创建索引
CREATE INDEX IDX_Table1_Name ON Table1(Name);
```
5. 创建唯一性约束、检查约束、默认值约束、外键约束
```sql
-- 创建唯一性约束
ALTER TABLE Table1 ADD CONSTRAINT UC_Table1_Name UNIQUE (Name);
-- 创建检查约束
ALTER TABLE Table1 ADD CONSTRAINT CK_Table1_Age CHECK (Age >= 18 AND Age <= 60);
-- 创建默认值约束
ALTER TABLE Table1 ADD CONSTRAINT DF_Table1_Gender DEFAULT 'M' FOR Gender;
-- 创建外键约束
ALTER TABLE Table3 ADD CONSTRAINT FK_Table3_Table1ID FOREIGN KEY (Table1ID) REFERENCES Table1(ID);
```
6. 创建存储过程并使用
```sql
-- 创建存储过程
CREATE PROCEDURE GetTable1ByName
@Name VARCHAR(50)
AS
BEGIN
SELECT * FROM Table1 WHERE Name = @Name;
END;
-- 使用存储过程
EXEC GetTable1ByName 'John';
```
7. 创建插入和更新的 DML 触发器
```sql
-- 创建插入触发器
CREATE TRIGGER TR_Table1_Insert
ON Table1
AFTER INSERT
AS
BEGIN
PRINT 'A row has been inserted into Table1.';
END;
-- 创建更新触发器
CREATE TRIGGER TR_Table1_Update
ON Table1
AFTER UPDATE
AS
BEGIN
PRINT 'A row has been updated in Table1.';
END;
```
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