sql in operator code example

Example 1: sql in

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');

Example 2: sql not in

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);

Example 3: in operator in sql

(IN) operator in sql like "OR" operator
For example: 
Select * From employees
Where department_id "IN" (60,90);

Example 4: in in sql

(IN) operator in sql like "OR" operator
For example: 
Select * From employees
Where department_id "IN" (60,90);

Example 5: SQL Where

Mit WHERE filtert man nach Zeilen aus einer Tabelle, die bestimmte Kriterien
erfüllen. Auf diese Weise kann man die Zeilen auf die Zeilen beschränken, 
an der man interessiert ist. Auf diesen Klausel folgt eine Bedingung, die 
entweder «true» oder «false» zurückgibt.

  SELECT *
  FROM customer
  WHERE ID = 10;