COBOL Manual for TNS and TNS/R Programs

HP COBOL Manual for TNS and TNS/R Programs—522555-006
7-1
7 Data Division
The Data Division is optional in a COBOL program. It has four sections: the File
Section, the Working-Storage Section, the Extended-Storage Section, and the Linkage
Section. Each section contains entries describing data that the program unit being
compiled from the source program manipulates. If your program does not use the type
of data that the section defines, then the section is optional.
Topics:
•
Data Categories and Data Descriptions
•
File Section
•
Working-Storage Section
•
Extended-Storage Section
•
Linkage Section
•
Descriptions of Records (Levels 01-49)
•
Descriptions That Rename Items (Level 66)
•
Descriptions of Noncontiguous Elementary Items (Level 77)
•
Descriptions of Condition-Names for Values (Level 88)
.
DATA DIVISION
LINKAGE Section
EXTENDED-STORAGE Section
WORKING-STORAGE Section
FILE Section
VST070.vsd