Natural Programming Course

Description

The course provides all the information required to enable the students to design and code Natural Version 2 and Version 3 Structured Mode programs that process data in an Adabas database. The course includes practical exercises.

Duration

5 days

Course Outline

1 Overview of Natural and Adabas

2 The Natural Development Environment

3 Defining  Data
 - Variables and Data Areas.
 - Defining database views.
 - Defining user variables.
 - Redefinition of variables.
 - The Data Editor.
 - Using the data area.

4 Basic Programming
 - The Program Editor.
 - Listing and deleting objects.
 - Move and Assign statements.

5 Accessing Data on the Database
 - The Find statement.
 - The With clause.
 - The Sorted By clause.
 - The Read and Histogram statements.
 - Nested database loops.
 - The Find Number statement.
 - The Where clause.
 - The Get statement.

6 Simple Reports
 - The Display statement.
 - Column headings and spacing.
 - Vertical display.
 - The Newpage, Skip, and Write statements.

7 Simple Transactions
 - The Input statement.
 - The Map Editor.
 - Using data areas in maps.
 - Editing fields.
 - Using the maps.

8 Conditional Processing and Loops
 - The If, Decide On, and Decide For statements.
 - Nested conditional statements.
 - The Repeat and Escape statements.
 - The For statement.
 - The Accept and Reject statements.
 - The Reinput statement.

9 Array Processing
 - User variable arrays.
 - Database arrays.

10 Arithmetic Processing
 - The Add and Subtract statements.
 - The Multiply and Divide statements.
 - The Compute statement.
 - Mathematical functions.
 - Array arithmetic.

11 Updating Database Records
 - Store, Delete, and Update statements.
 - Holding records.
 - Avoiding transaction timeouts.

12 Programs, Subroutines and Subprograms
 - Subroutines and Subprograms.
 - The Fetch statement.

13 Batch Processing
 - Reading and writing work files.
 - Printing in batch.

14 Advanced Report Writing
 - Titles and Trailers.
 - Break processing.
 - Using maps for reports.

15 Map Editor Advanced Functions
 - Help maps and help routines.
 - Processing rules.
 - Defining arrays in maps.

16 Odds and Ends