Answer / megha

Data structure is used as a storage area and layout for
subfields

There are 5 different types

1.File Information DS
2.Program Status DS
3.Data Area DS
4. External DS
5. Keyed data structure

Answer / k.ramesh

data structure devide a field in to subfields we 6 datastructures in as/400

1)GENERAL DATASTRUCTURE
2)EXTERNAL DATASTRUCTURE
3)MULTIPLE OCCURENCE DATASTRUCTURE
4)DATA AREA DATA STRUCTURE(SPECIFIDE IN 'U')
5) PROGRAMME STATUS DATASTRUCTURE(SPECIFIDE IN 'S')
6)FILE INFORMATION DATASTRUCTURE

NO.5& 6 are error trappers

Answer / jeet

Data structure is specified in the Input Specification of an RPG 3 Program where as in RPG 1V we specified in 'D' specification.
Data Structure is define an area in storage and layout related subfields.
There are 4 types of data structures
1) Data Area Data Structure
2) File Information Data Structure
3) Program Status Data Structure
4) Multiple Occurence Data Structure

Data Structure is used for
1) To break fields into subfields
2) To change the format of the field
3) To Group non-contiguous data into contiguous format
4) To convert data.

Answer / syam

Data structures are specified in the Input specifications
of an RPG/400 program to define an area in storage and
layouts of related sub fields.
Data area data structure
File information data structure
Program status data structure

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1 Answers   IBM,

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