Create and Maintain DB2 Programs

Duration

3 to 4 hours

Overview

Audience

Programmers and DBAs requiring training in writing application programs to reference and update DB2 data, particularly in the mainframe environment.

Prerequisites

Completion of the courses ‘Manage Data Definitions with DB2’ and ‘Manage Data with DB2 – SQL’, and basic knowledge of DB2, relational databases, and system design.

Objectives

After completing this course, the student will be able to identify how the following programs are written with DB2:
• Report programs
• Data inquiry programs
• Data update programs

Course Content

Embedding SQL in an Application Program

Steps Required to Prepare an Application Program with Embedded SQL for Execution

Manipulating Data and Components of an Application Program

Codes Returned from DB2 to an Application Program
Host Variables that Pass Values between an Application Program and DB2

Cursors

The Cursor
The Scrollable Cursor

Commit Points and Save Points

Commit Points and their Effect on Cursor
DB2 Rollbacks and How to Force One
Save Points

Writing a DB2 COBOL Program

Build a Program That Issues Simple SQL Statements to DB2

Writing a DB2 COBOL Cursor Update Program

Writing a DB2 COBOL Program by Using a Cursor
Writing a DB2 COBOL Update Program by Using a Cursor

Create and Maintain DB2 Programs Mastery Test