How to use the SQL IN operator

SQL IN Operator is very important in phpdatabase operation. This article explains the relevant knowledge.

IN Operator

The IN operator allows us to specify multiple values ​​in the WHERE clause.

SQL IN Syntax

SELECT column_name(s)
FROM table_name
WHERE column_name IN (value1,value2,...)

IN Operator Example

Now, we want to select people with the last names Adams and Carter from the above table:

We You can use the following SELECT statement:

SELECT * FROM Persons
WHERE LastName IN ('Adams','Carter')

This article provides a relevant explanation of the in operator. For more learning materials, please pay attention to the php Chinese website.

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