sql in
snippet in sql

in sql

user7208

SELECT column_name(s)

FROM table_name

WHERE column_name IN (value1, value2, ...); 

sql in

user7868

Used alongside a WHERE clause as a shorthand for multiple OR conditions.
So instead of:
SELECT * FROM users
WHERE country = 'USA' OR country = 'United Kingdom' OR
country = 'Russia' OR country = 'Australia';
You can use:
SELECT * FROM users
WHERE country IN ('USA', 'United Kingdom', 'Russia',
'Australia');

sql not in

user7120

SQL NOT IN operator is used to filter the result if the values that are mentioned as part of the IN operator is not satisfied. Let’s discuss in detail about SQL NOT IN operator.

Syntax:
SELECT Column(s) FROM table_name WHERE Column NOT IN (value1, value2... valueN);

w3schools sql in operator

user6370

SELECT column_name(s)

FROM table_name

WHERE column_name IN (SELECT STATEMENT); 

in query in sql

user5132

SELECT Id, FirstName, LastName, Country  FROM Customer WHERE Country IN        (SELECT Country           FROM Supplier) 

where query in sql server

user6221

SELECT * FROM Customers
WHERE Country='Mexico';