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COBOL: The DATA DIVISION

Course Status: Released
Course Language: English
Course Duration: 4 Hours
Deployment Options: Online, Interactive CDs, Network, Downloads, Intranet

Audience
Students wishing to learn COBOL or to review particular divisions or components of COBOL
Prerequisites
The previous courses in the COBOL curriculum
Course Aim
To introduce students to the DATA DIVISION
Learning Objectives
Explain the purpose of the DATA DIVISION.
Code the FILE SECTION.
Code FILE DESCRIPTIONs and RECORD DESCRIPTIONs.
Understand data names.
Use level numbers correctly.
Explain the use of WORKING-STORAGE.
Understand variables and constants, including numeric and non-numeric literals, and figurative constant.
Explain the use of the PICTURE, JUSTIFIED, VALUE, USAGE, and SYNCHRONIZED clauses.
Topics Covered
The FILE SECTION
- File descriptions
- BLOCK CONTAINS
- Data names
File records
- Record descriptions
- Level numbers
- The PICTURE clause
- Hands-on: Creating a file record structure
JUSTIFIED, USAGE, and SYNCHRONIZED clauses
- The JUSTIFIED clause
- The USAGE clause
- The SYNCHRONIZED clause
The WORKING-STORAGE SECTION
- Introduction to WORKING-STORAGE
- Literals
- The VALUE clause
- Hands-on: Creating an EOF counter