The NOT
operator is used in combination with other operators to give the opposite result, also called the negative result.
In the select statement below we want to return all customers that are NOT from Spain:
Select only the customers that are NOT from Spain:
SELECT * FROM Customers
WHERE NOT Country = 'Spain';
Try it Yourself »
In the example above, the NOT
operator is used in combination with the =
operator, but it can be used in combination with other comparison and/or logical operators. See examples below.
SELECT column1, column2, ...
FROM table_name
WHERE NOT condition;
Below is a selection from the Customers table used in the examples:
CustomerID | CustomerName | ContactName | Address | City | PostalCode | Country |
---|---|---|---|---|---|---|
1 |
Alfreds Futterkiste | Maria Anders | Obere Str. 57 | Berlin | 12209 | Germany |
2 | Ana Trujillo Emparedados y helados | Ana Trujillo | Avda. de la Constitución 2222 | México D.F. | 05021 | Mexico |
3 | Antonio Moreno Taquería | Antonio Moreno | Mataderos 2312 | México D.F. | 05023 | Mexico |
4 |
Around the Horn | Thomas Hardy | 120 Hanover Sq. | London | WA1 1DP | UK |
5 | Berglunds snabbköp | Christina Berglund | Berguvsvägen 8 | Luleå | S-958 22 | Sweden |
Select customers that does not start with the letter 'A':
SELECT * FROM Customers
WHERE CustomerName NOT LIKE 'A%';
Try it Yourself »
Select customers with a customerID not between 10 and 60:
SELECT * FROM Customers
WHERE CustomerID NOT BETWEEN 10 AND 60;
Try it Yourself »
Select customers that are not from Paris or London:
SELECT * FROM Customers
WHERE City NOT IN ('Paris', 'London');
Try it Yourself »
Select customers with a CustomerId not greater than 50:
SELECT * FROM Customers
WHERE NOT CustomerID > 50;
Try it Yourself »
Note: There is a not-greater-then operator: !>
that would give you the same result.
Select customers with a CustomerID not less than 50:
SELECT * FROM Customers
WHERE NOT CustomerId < 50;
Try it Yourself »
Note: There is a not-less-then operator: !<
that would give you the same result.
截取页面反馈部分,让我们更快修复内容!也可以直接跳过填写反馈内容!