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SQL -Structured Query Language - Sql Clause - In Clause Tutorial

The IN Statement is used mainly in a subquery or taking value from the array.

Suppose if we want data from the other table using a subquery.

 

Syntax-

The basic syntax of the IN statement is.–

SELECT * FROM table_name1 
WHERE 
column_name 
IN 
( SELECT column_name from table_name2);

Statement  After IN is a subquery

 

For example-

Suppose there are two tables, 1st table employee contains employee information.

And 2nd table departments contains department information like location,department_name,etc.

If we want to retrieve data from employees tables whose department_id are in a subquery. The subquery will retrieve department_id whose location_id not equal to 1700.

Then syntax is

SELECT * FROM employees 
WHERE 
department_id 
IN 
(SELECT department_id FROM departments 
WHERE 
location_id!=1700);

Run Query

IN statement can also be used to retrieve data from the array

SELECT * FROM employees 
WHERE 
department_id 
IN 
(40,50,60);

Run Query

 

SQL -Structured Query Language

SQL -Structured Query Language

  • Introduction
  • Overview
    • How To Download And Install MySql Workbench
    • SQL Syntax
  • SQL Database
    • Create Database
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  • SQL Table
    • Create Table
    • Alter - Rename Table
    • Alter - Add Column
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    • Alter - Drop Column
    • Copy Table
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  • SQL Insert
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    • Select - Count
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  • Sql Clause
    • Like Clause
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    • Not Null Constraint
    • Check Constraint
    • Default Constraint
  • Normalization
    • Overview
    • 1 NF
    • 2 NF
    • 3 NF
    • Boyce Codd normal form ( BCNF )

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