what is data structure?how many types of data structers?
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 |
list some of the commonly used commands for debugging?
Hello friends, i am new to AS/400. Can any one help me in AS/400 i meant say can you send me some FAQS and interview questions.
Q. HOw can read multimember file through RPG/400 and CL/400 Actully i know that we can Read multimember file in RPG through EXEFILE and EXEMBR and in cl through OVRDBF and MEMBER(3)....But i want to read 3 members by CL Program And RPG/400 program.Please write the coding(Program) for both RPG/400 and CL/400 programs? 2.What are the full forms(stands) of EXEFILE and EXEMBR?
What is the use of OVRPRTF ?
Can level check error occur if we do chgpf?
I had ruestion in one of the interview..... If 1 file has more than 1 member and i want to use the 2nd member in the RPG pgm (in RPG400),how can I use this.... I know the possible answers i.e. useing API 'QCMDEXE' or Before calling the pgm I can use OVRDBF for that member... but I dont' want to use both the tips in above scenarion. Does any body tell me how can i use this ....?
what is message file?
What are the valid data types in Data Queue?
Describe the function of SETLL operation in RPG language?
different type of cursor?
How many PARM statement can we use in a CL program?
what is the correct about QTEMP library(below mention)? a.it is Unique to a job b.it can be shared between different job c.it can only be deleted by QSECOFR d.Non Please give me the answer for this?