Objectives

• To introduce the most common forms of database access including the following commands:
  • FETCH
  • INSERT
  • UPDATE
  • DELETE.
• To learn about error handling using the IF_STATUS command when using table operations.
• To learn how to use some of the program level validations commands:
• BEGINCHECK / ENDCHECK
  • CALLCHECK
  • CONDCHECK
  • DATECHECK
  • FILECHECK
  • RANGECHECK
  • VALUECHECK
  • IF_ERROR, SET_ERROR.
• To understand how program validations relate to the repository validation performed by the Object Access Modules (OAM).
• To understand how to use a Built-In Function (BIF) to display a message box with user confirmation.
• To create a simple application to maintain the table xDepartments.

To achieve these objectives, you need to complete the following:

Step 1. Create a Department Maintenance Form

Step 2. Fetch Existing Data from a Table

Step 3. Insert Data into a Table

Step 4. Add Program Level Validations

Step 5. Update Data in a Table

Step 6. Delete Data from the Table

Step 7. Update and Delete Last Record Read

Summary

Before You Begin

You should have completed the previous exercise.