Computer Science/Database
W3Schools SQL | #16 SQL IN OPERATOR
토마토.
2022. 10. 27. 13:43
SQL IN Operator
The SQL IN Operator
WHERE에서 여러 값을 지정해줄 수 있다.
IN Syntax
SELECT column_name(s)
FROM table_name
WHERE column_name IN (value1, value2, ...);
이때, IN 뒤에 sql statement를 넣는 것도 가능하다.
SELECT column_name(s)
FROM table_name
WHERE column_name IN (SELECT STATEMENT);
Demo Database
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 |
사용할 예시 데이터베이스는 위와 같다.
IN Operator Examples
SELECT * FROM Customers
WHERE Country IN ('Germany', 'France', 'UK');
SELECT * FROM Customers
WHERE Country NOT IN ('Germany', 'France', 'UK');
SELECT * FROM Customers
WHERE Country IN (SELECT Country FROM Suppliers);