Training offering

Developing IBM i Applications Using SQL

Overview

This course is designed primarily to teach experienced IBM i RPG IV programmers how to use embedded SQL in IBM i RPG IV programs.

As a secondary purpose, you also learn to create and use simple SQL stored procedures.

Public

This intermediate course is for experienced IBM i RPG IV programmers who want to learn how to use SQL as a means to perform Input/Output (I/O) to access DB2 for i in their applications.

Prerequisits

You should complete the following courses (or have the equivalent skills taught in these courses):

• Accessing the IBM i Database using SQL (OL37G)
• Developing IBM i Applications Using SQL (OL38G)

Objective

• Code embedded SQL statements in RPG IV programs
• Create and use of stored procedures

Topics

Unit 1. SQL review

• Lab exercise: SQL review

Unit 2. Using embedded SQL

• Introducing embedded SQL
  • Lab exercise: Change CHAIN to SELECT

• Writing programs that use embedded SQL
• Error handling
  • Lab exercise: Changing native to SQL I/O

• Using a cursor for multiple row result set
  • Lab exercise: Using a cursor

• Using embedded SQL (continued)
• Dynamic embedded SQL
  • Lab exercise: Dynamic embedded SQL

Unit 3. An overview of stored procedures

• Introducing stored procedures
• External stored procedures
  • Lab exercise: Create a stored procedure

• SQL stored procedures