为上面sql表写一个通过客户号删除预定信息的存储过程,通过房间号号删除预定信息的存储过程
时间: 2024-03-03 16:51:30 浏览: 20
以下是通过客户号和房间号删除预定信息的存储过程示例:
```
-- 通过客户号删除预定信息
CREATE PROCEDURE `delete_reservation_by_customer` (
IN customer_id VARCHAR(10)
)
BEGIN
DELETE FROM 预定信息 WHERE 客户号 = customer_id;
END
-- 通过房间号删除预定信息
CREATE PROCEDURE `delete_reservation_by_room` (
IN room_no VARCHAR(5)
)
BEGIN
DELETE FROM 预定信息 WHERE 房间号 = room_no;
END
```
这两个存储过程分别接受一个客户号或房间号作为输入参数,并从预定信息表中删除相应的记录。在这两个过程中,使用 DELETE 语句从预定信息表中删除记录,并将受影响的行数返回给调用方。您可以根据需要修改这些过程,以便适应特定的删除需求。
相关问题
为以上sql表写写入客户信息的存储过程,通过客户号和房间号写入预定信息的存储过程,通过房间号修改房间状态的存储过程,写入员工信息的存储过程,删除员工信息的存储过程,建立可以通过员工号或员工姓名或身份证号或员工电话查看员工信息的事务,查询房间状态是否入住来通过客户号和房间号写入预定信息
好的,以下是针对您提供的 SQL 表的各种存储过程和事务的详细说明。
1. 写入客户信息的存储过程:
```
CREATE PROCEDURE insert_customer_info
@customer_id INT,
@customer_name VARCHAR(50),
@customer_phone VARCHAR(20),
@customer_email VARCHAR(50),
@customer_address VARCHAR(100)
AS
BEGIN
INSERT INTO CustomerInfo(CustomerID, CustomerName, CustomerPhone, CustomerEmail, CustomerAddress)
VALUES (@customer_id, @customer_name, @customer_phone, @customer_email, @customer_address)
END
```
2. 通过客户号和房间号写入预定信息的存储过程:
```
CREATE PROCEDURE insert_reservation_info
@customer_id INT,
@room_id INT,
@check_in_date DATE,
@check_out_date DATE
AS
BEGIN
INSERT INTO ReservationInfo(CustomerID, RoomID, CheckInDate, CheckOutDate)
VALUES (@customer_id, @room_id, @check_in_date, @check_out_date)
END
```
3. 通过房间号修改房间状态的存储过程:
```
CREATE PROCEDURE update_room_status
@room_id INT,
@status INT
AS
BEGIN
UPDATE RoomInfo
SET RoomStatus = @status
WHERE RoomID = @room_id
END
```
4. 写入员工信息的存储过程:
```
CREATE PROCEDURE insert_employee_info
@employee_id INT,
@employee_name VARCHAR(50),
@employee_id_card VARCHAR(20),
@employee_phone VARCHAR(20),
@employee_address VARCHAR(100)
AS
BEGIN
INSERT INTO EmployeeInfo(EmployeeID, EmployeeName, EmployeeIDCard, EmployeePhone, EmployeeAddress)
VALUES (@employee_id, @employee_name, @employee_id_card, @employee_phone, @employee_address)
END
```
5. 删除员工信息的存储过程:
```
CREATE PROCEDURE delete_employee_info
@employee_id INT
AS
BEGIN
DELETE FROM EmployeeInfo
WHERE EmployeeID = @employee_id
END
```
6. 通过员工号或员工姓名或身份证号或员工电话查看员工信息的事务:
```
BEGIN TRANSACTION
SELECT *
FROM EmployeeInfo
WHERE EmployeeID = @employee_id OR EmployeeName = @employee_name OR EmployeeIDCard = @employee_id_card OR EmployeePhone = @employee_phone
COMMIT TRANSACTION
```
7. 查询房间状态是否入住来通过客户号和房间号写入预定信息:
```
CREATE PROCEDURE insert_reservation_info_by_room_status
@customer_id INT,
@room_id INT,
@check_in_date DATE,
@check_out_date DATE
AS
BEGIN
DECLARE @room_status INT
SELECT @room_status = RoomStatus
FROM RoomInfo
WHERE RoomID = @room_id
IF @room_status = 0
BEGIN
INSERT INTO ReservationInfo(CustomerID, RoomID, CheckInDate, CheckOutDate)
VALUES (@customer_id, @room_id, @check_in_date, @check_out_date)
UPDATE RoomInfo
SET RoomStatus = 1
WHERE RoomID = @room_id
END
ELSE
BEGIN
PRINT 'The room is occupied.'
END
END
```
以上是对您提出的问题的回答,希望能帮助到您。
建立一个房屋信息表并给出SQL语句
可以使用以下的SQL语句来创建一个名为"house_info"的房屋信息表:
```sql
CREATE TABLE house_info (
id INT PRIMARY KEY,
address VARCHAR(255),
bedrooms INT,
bathrooms INT,
price DECIMAL(10, 2),
area INT
);
```
这个"house_info"表包含了以下列:
- `id`:房屋的唯一标识符,使用整数类型(INT)。
- `address`:房屋地址,使用字符串类型(VARCHAR)。
- `bedrooms`:房间数量,使用整数类型(INT)。
- `bathrooms`:浴室数量,使用整数类型(INT)。
- `price`:房屋价格,使用十进制类型(DECIMAL),可以存储带有两位小数的金额。
- `area`:房屋面积,使用整数类型(INT)。
你可以根据实际需要插入、更新、查询和删除房屋信息。
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