在座位表(seats)包括座位的 ID、所属放映厅、行号、列号等信息中利用sql语句插入数据并进行相关查询语句操作
时间: 2024-01-29 19:03:09 浏览: 27
好的,以下是对应的 SQL 语句:
创建表 seats:
```
CREATE TABLE seats (
id INT PRIMARY KEY,
hall_id INT NOT NULL,
row_number INT NOT NULL,
column_number INT NOT NULL,
FOREIGN KEY (hall_id) REFERENCES halls(id)
);
```
插入数据:
```
INSERT INTO seats (id, hall_id, row_number, column_number)
VALUES
(1, 1, 1, 1),
(2, 1, 1, 2),
(3, 1, 1, 3),
(4, 1, 2, 1),
(5, 1, 2, 2),
(6, 1, 2, 3),
(7, 1, 3, 1),
(8, 1, 3, 2),
(9, 1, 3, 3),
(10, 2, 1, 1),
(11, 2, 1, 2),
(12, 2, 1, 3),
(13, 2, 2, 1),
(14, 2, 2, 2),
(15, 2, 2, 3),
(16, 2, 3, 1),
(17, 2, 3, 2),
(18, 2, 3, 3),
(19, 3, 1, 1),
(20, 3, 1, 2),
(21, 3, 1, 3),
(22, 3, 2, 1),
(23, 3, 2, 2),
(24, 3, 2, 3),
(25, 3, 3, 1),
(26, 3, 3, 2),
(27, 3, 3, 3),
(28, 4, 1, 1),
(29, 4, 1, 2),
(30, 4, 1, 3),
(31, 4, 2, 1),
(32, 4, 2, 2),
(33, 4, 2, 3),
(34, 4, 3, 1),
(35, 4, 3, 2),
(36, 4, 3, 3);
```
查询所有座位的信息:
```
SELECT * FROM seats;
```
查询所属放映厅为“1号厅”的座位信息:
```
SELECT * FROM seats WHERE hall_id = 1;
```
查询行号为“2”、列号为“2”的座位信息:
```
SELECT * FROM seats WHERE row_number = 2 AND column_number = 2;
```
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