SQL INOperators

IN Operator

The IN operator allows you to specify multiple values in a WHERE clause.

SQL IN Syntax

SELECT column1, column2, ...
FROM table_name
WHERE column IN (value1, value2, ...);

Parameter description:

• column1, column2, ...: The name of the field to select; can be multiple fields. If no field name is specified, all fields will be selected.
• table_name: The name of the table to query.
• column: The name of the field to query.
• value1, value2, ...: The value to query; can be multiple values.

Demo Database

In this tutorial, we will use the EXAMPLE sample database.

Below is the data selected from the "Websites" table:

mysql> SELECT * FROM Websites;
+----+---------------+---------------------------+-------+---------+
| id | name          | url                       | alexa | country |
+----+---------------+---------------------------+-------+---------+
|  1 | Google        | https://www.google.cm/    |     1 | USA     |
|  2 | 淘宝          | https://www.taobao.com/   |    13 | CN      |
|  3 | Example       | http://www.example.com/    |  5000 | USA     |
|  4 | 微博           | http://weibo.com/         |    20 | CN      |
|  5 | Facebook      | https://www.facebook.com/ |     3 | USA     |
|  7 | stackoverflow | http://stackoverflow.com/ |     0 | IND     |
+----+---------------+---------------------------+-------+---------+

IN Operator Example

The following SQL statement selects all websites with name "Google" or "Example":

Example

SELECT * FROM Websites
WHERE name IN ('Google','Example');

Execution output result: