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You are here: Home / Oracle / function / IN Function in Oracle SQL – PLSQL

IN Function in Oracle SQL – PLSQL

October 24, 2012 by techhoneyadmin

The IN function in Oracle SQL / PLSQL is like using multiple OR conditions at once.

Oracle SQL / PLSQL Syntax for IN function in Oracle SQL SELECT Statement is:

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

Or

Oracle SQL / PLSQL Syntax for IN function in Oracle SQL INSERT Statement is:

INSERT INTO table_name
VALUES(column_name1
,colum_name2
,column_name3
.
.
column_nameN)
WHERE column_name IN(value1, value2 . . . valueN);

Or

Oracle SQL / PLSQL Syntax for IN function in Oracle SQL UPDATE Statement is:

UPDATE table_name
SET (column_name1 = value/expression
,column_name2 = value/expression
, column_name3 = value/expression
.
.
)
WHERE column_name IN(value1, value2 . . . valueN)
;

Or

Oracle SQL / PLSQL Syntax for IN function in Oracle SQL DELETE Statement is:

DELETE FROM table_name
WHERE column_name IN(value1, value2 . . . valueN);

Let’s take an example for understanding:

Suppose have a table named ‘employee’ in the database as shown below.

Employee_ID Employee_Name Salary Department Commission
101 Emp A 10000 Sales 10
102 Emp B 20000 IT 20
103 Emp C 28000 IT 20
104 Emp D 30000 Support
105 Emp E 32000 Sales 10

Example 1: Using Oracle SQL / PLSQL IN Function in SQL SELECT Statement

Suppose we want to see the records of employee(s) working either in ‘Sales’ or ‘IT’ department.

The same can be achieved as:

SELECT *
FROM employee
WHERE department IN ('Sales','IT');

The result of the above query will be:

Employee_ID Employee_Name Salary Department Commission
101 Emp A 10000 Sales 10
102 Emp B 20000 IT 20
103 Emp C 28000 IT 20
105 Emp E 32000 Sales 10

The example of Oracle SQL IN Function above shows that we have retrieved the records pertaining to employee(s) working either in ‘Sales’ or ‘IT’ department using IN function in WHERE clause


Example 2: Using Oracle SQL / PLSQL IN Function with numbers.

IN function can also be used with numbers.

Let’s assume that we have a new table namely ‘employee’ as shown below:

Employee_ID Employee_Name Salary Department Commission
101 Emp A 10000 Sales 10
102 Emp B 20000 IT 20
103 Emp C 28000 IT 20
104 Emp D 30000 Support
105 Emp E 32000 Sales 10

Suppose we want to view all the records of employees who are having Salary = ‘20000’, or Salary = ‘32000’.

We can achieve the same as using the SQL SELECT Statement with SQL IN Function as:

SELECT *
FROM employee
WHERE salary IN (20000,32000);

Once we have run the above code following will be the result:

Employee_ID Employee_Name Salary Department Commission
102 Emp B 20000 IT 20
105 Emp E 32000 Sales 10

By using the IN Function in the example above we have successfully retrieved the records pertaining to employees who having Salary = ‘20000’, or Salary = ‘32000’.


Example 3:

Oracle SQL /IN function can also be used with other conditions.

Let’s assume that we have a new table namely ‘employee’ as shown below:

Employee_ID Employee_Name Salary Department Commission
101 Emp A 10000 Sales 10
102 Emp B 20000 IT 20
103 Emp C 28000 IT 20
104 Emp D 30000 Support
105 Emp E 32000 Sales 10

Suppose we want to view all the records of employees who are having Salary = ‘20000’, or Salary = ‘32000’ and working in ‘Sales’ department.

We can achieve the same using Oracle SQL IN Function in SELECT SQL Statement with WHERE Clause as:

SELECT *
FROM employee
WHERE department = 'Sales'
AND salary IN (20000,32000);

Once we have run the above code following will be the result:

Employee_ID Employee_Name Salary Department Commission
105 Emp E 32000 Sales 10

Above example shows Oracle SQL /PLSQL IN Function successfully to retrieving the records pertaining to employees who having Salary = ‘20000’, or Salary = ‘32000’ and working in ‘Sales’ department using the IN function in combination with WHERE clause.


Filed Under: function Tagged With: how to use in function in oracle sql, INPLSQL, oracle sql in function syntax and example, oracle sql plsql in function

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