SQL BETWEEN 操作符
BETWEEN 操作符用于选取介于两个值之间的数据范围内的值。
SQL BETWEEN 操作符
BETWEEN 操作符选取介于两个值之间的数据范围内的值。这些值可以是数值、文本或者日期。
SQL BETWEEN 语法
SELECT column_name(s)
FROM table_name
WHERE column_name BETWEEN value1 AND value2;
FROM table_name
WHERE column_name BETWEEN value1 AND value2;
演示数据库
在本教程中,我们将使用众所周知的 Northwind 样本数据库。
下面是选自 "Products" 表的数据:
ProductID | ProductName | SupplierID | CategoryID | Unit | Price |
---|---|---|---|---|---|
1 | Chais | 1 | 1 | 10 boxes x 20 bags | 18 |
2 | Chang | 1 | 1 | 24 - 12 oz bottles | 19 |
3 | Aniseed Syrup | 1 | 2 | 12 - 550 ml bottles | 10 |
4 | Chef Anton's Cajun Seasoning | 1 | 2 | 48 - 6 oz jars | 22 |
5 | Chef Anton's Gumbo Mix | 1 | 2 | 36 boxes | 21.35 |
BETWEEN 操作符实例
下面的 SQL 语句选取价格介于 10 和 20 之间的所有产品:
实例
SELECT * FROM Products
WHERE Price BETWEEN 10 AND 20;
WHERE Price BETWEEN 10 AND 20;
NOT BETWEEN 操作符实例
如需显示不在上面实例范围内的产品,请使用 NOT BETWEEN:
实例
SELECT * FROM Products
WHERE Price NOT BETWEEN 10 AND 20;
WHERE Price NOT BETWEEN 10 AND 20;
带有 IN 的 BETWEEN 操作符实例
下面的 SQL 语句选取价格介于 10 和 20 之间但 CategoryID 不为 1、2 或 3 的所有产品:
实例
SELECT * FROM Products
WHERE (Price BETWEEN 10 AND 20)
AND NOT CategoryID IN (1,2,3);
WHERE (Price BETWEEN 10 AND 20)
AND NOT CategoryID IN (1,2,3);
带有文本值的 BETWEEN 操作符实例
下面的 SQL 语句选取 ProductName 以介于 'C' 和 'M' 之间字母开始的所有产品:
实例
SELECT * FROM Products
WHERE ProductName BETWEEN 'C' AND 'M';
WHERE ProductName BETWEEN 'C' AND 'M';
带有文本值的 NOT BETWEEN 操作符实例
下面的 SQL 语句选取 ProductName 不以介于 'C' 和 'M' 之间字母开始的所有产品:
实例
SELECT * FROM Products
WHERE ProductName NOT BETWEEN 'C' AND 'M';
WHERE ProductName NOT BETWEEN 'C' AND 'M';
示例表
下面是选自 "Orders" 表的数据:
OrderID | CustomerID | EmployeeID | OrderDate | ShipperID |
---|---|---|---|---|
10248 | 90 | 5 | 7/4/1996 | 3 |
10249 | 81 | 6 | 7/5/1996 | 1 |
10250 | 34 | 4 | 7/8/1996 | 2 |
10251 | 84 | 3 | 7/9/1996 | 1 |
10252 | 76 | 4 | 7/10/1996 | 2 |
带有日期值的 BETWEEN 操作符实例
下面的 SQL 语句选取 OrderDate 介于 '04-July-1996' 和 '09-July-1996' 之间的所有订单:
实例
SELECT * FROM Orders
WHERE OrderDate BETWEEN #07/04/1996# AND #07/09/1996#;
WHERE OrderDate BETWEEN #07/04/1996# AND #07/09/1996#;
请注意,在不同的数据库中,BETWEEN 操作符会产生不同的结果! 因此,请检查您的数据库是如何处理 BETWEEN 操作符! |