---
title: "DB2 Stored Procedure Best Example"
description: "Stored procedures  can be  written in COBOL , PL/1, REXX and Java etc. Db2 stored procedures are handled by WLM -work Load Manager. Main uses are reusability and security. Stored Procedure Flow. Note:..."
url: https://srinimf.com/2011/01/15/db2-stored-procedure/
date: 2011-01-15
modified: 2026-10-08
author: "Srini"
image: https://i0.wp.com/srinimf.com/wp-content/uploads/2011/01/pexels-photo-1571463.jpeg?fit=1880%2C1255&ssl=1
categories: ["DB2"]
tags: ["DB2 Stored procedure"]
type: post
lang: en
---

# DB2 Stored Procedure Best Example

[Stored procedures](https://srinimf.com/2016/01/23/db2-stored-procedures-in-10-days-part-1/) can be [written in COBOL](https://srinimf.com/2023/04/03/how-to-register-stored-procedures-in-a-db2-catalog-table/), PL/1, REXX and Java etc. [Db2 stored](https://srinimf.com/2013/03/28/setup-wlm-for-db2-stored-proc/) procedures are handled by WLM -work Load Manager. Main uses are reusability and security.

## Stored Procedure Flow

![](https://i0.wp.com/srinimf.com/wp-content/uploads/2021/04/aaa.png?resize=545%2C465&ssl=1)

**Note:** The language to write [stored procedure](https://srinimf.com/2016/11/10/how-to-run-external-stored-procedure-in-db2-precise-idea/) can be SQL, COBOL, PL/1 and JAVA. It runs in the database (in our case DB2). It needs an input and it gives you output after running it.

## DB2 Stored Procedure Example

```
CREATE PROCEDURE UPDATE_SALARY (IN EMPLOYEE_NUM CHAR(6), IN RATE1 DECIMAL(5,2))
LANGUAGE SQL
WLM ENVIRONMENT SAMP1
COMMIT ON RETURN YES
IF RATE1 <= 0.7
THEN UPDATE EMP
SET SALARY = SALARY * RATE1
WHERE EMPNO= EMPLOYEE_NUM;
ELSE  UPDATE EMP
SET SALARY = SALARY * 0.7
WHERE EMPNO = EMPLOYEE_NUM;
END IF
```

Here you passed three arguments to [Stored Procedure](https://srinimf.com/2013/03/22/db2-calling-cobolcjava-programs-from-stored-proc/) IN- Input,  OUT-Output INOUT-Input and output.

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