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Course Overview This course provides a sound understanding of the specific requirements of online processing is essential to the development of efficient and effective applications. It contains extensive practical project work Audience This course is for applications programmers, technical and production support staff. Operations analysts will also benefit from this course. Prerequisites Delegates should have knowledge of COBOL and should ideally be familiar with DDS to gain full benefit from the hands-on aspects. Course Outline Introduction to TPMS - Batch v Online comparison
- Messages & Transactions
- TPMS components
- TPMS concepts
Screen Design - Screen Components
- DDS Screen Designer (ISDA)
- Defining Screens and Blocks
COBOL Programming - Action of a TPMS module
- Screen handling
- Message headers and text
- Receiving/sending messages
- Types of output message
File Handling - Cross-phase locking
- Delayed Updating
- Opening & closing files
Compiling TPMS Modules - DDS pre-processor
- COBOL compiler
TPMS Environment Simulator - Using TPMSES
- TP_FILE_OPEN
- TPMSES commands
Multiphase Transactions - Introduction
- The Final Phase
- Intermediate Phases
- Partial Results
- ISL9TXSAVE
Further TPMS Facilities - Printing from TPMS
- Unsolicited Output
- Spooling
- Timer Tasks
- Predefined Messages
- Error Handling
- TPAEH
- Flashing Fields
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