what is data structure?how many types of data structers?
- 4 Answers
- 22908 Views
- I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
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
| Is This Answer Correct ? | 21 Yes | 11 No |
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
| Is This Answer Correct ? | 13 Yes | 3 No |
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.
| Is This Answer Correct ? | 12 Yes | 3 No |
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
| Is This Answer Correct ? | 13 Yes | 14 No |
What are the mandatory keywords of sub file?
OVRDBF FILE(xxx) TOFILE(libl/filename) share(*yes) In which scenario is share(*yes) used? could any one explain with an example?
Q.1.What is differences in STRDBG and STRISDB debugging commands? 2.Where we should use STRDBG and STRISDB Debugging commands?
can a join logical file be updated?
can a single screen format occupy a screen area above and below a subfile format ?
is it possible to create a physical file without dds?
how can I control from my cgis the cache of a remote browser?
What is the difference between physical file and logical file?
how to validate input values in display file ?
What is LEVEL CHECK?
What is the maximum number of elements in an array?
How to see all record formats used in a file?
RPG400 
