在SQL中,BETWEEN操作符用于选择在指定范围内的值。以下是BETWEEN实际应用案例:
- 查询在指定日期范围内的订单数量:
SELECT * FROM orders WHERE order_date BETWEEN '2021-01-01' AND '2021-12-31';
- 查询在指定价格范围内的产品信息:
SELECT * FROM products WHERE price BETWEEN 50 AND 100;
- 查询在指定年龄范围内的客户信息:
SELECT * FROM customers WHERE age BETWEEN 30 AND 50;
- 查询在指定数量范围内的库存信息:
SELECT * FROM inventory WHERE quantity BETWEEN 100 AND 500;
- 查询在指定评分范围内的电影信息:
SELECT * FROM movies WHERE rating BETWEEN 7.0 AND 9.0;
通过以上案例可以看出,BETWEEN操作符可以方便地筛选出符合特定范围条件的数据,从而更加灵活地进行数据查询和分析。