MainFrame Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

IBM MainFrame (5234)
IBM AS400 (1355)
IBM PL/1 (31)

MainFrame Interview Questions

Questions Answers Views Company eMail

Please explain with syntax and an example, the Inrec fields and Outrec build in sort.

4 40491

can any one give the list of some important sql abend codes which r frequently asked in interviews?

2 8656

If the number of parameter is more than the expected then NAT0919 error is displayed. How many parameter are allowed in a CALL and CALLNAT statement?

JPMorgan Chase,

3 10978

WHAT IS DIFFEENCE BETWEEN PDS AND PDES? STEPS BEFORE MERGING? DUMMY DATASET USES? DIFFERENCES BETWEEN IDCAMS AND ICETOOLS? DIFFERENCE BETWEEN ALL JCL UTILITY TOOLS?

HCL, IBM,

4 12626

how i can enter into cics region in real time.

Cap Gemini,

2 10222

After execute the map, What will happen ? Give breif Description

HCL, IBM,

4 9663

How do find length of the cursor in cics map ?

HCL,

3 9461

what is the equivalent keyword for CHAIN opcode ??

TCS,

7 13103

can we declare s9(9)v9(9) in cobol ? if yes how many bytes it will occupy ?(urgent plz answer it)

CTS,

13 36678

can any one tell "in esds in what structure records will stored?"

1 4191

how can we convert esds to lds?

2 5984

How many maps are create in a single mapset?

5 13582

what is the use of reuse in vsam?

3 14367

What is difference between copy and include?

6 18135

01 xxx pic 9(4). 01 yyy pic 9(6). move 123456 into yyy. move yyy to xxx. display yyy. what would be the value of yyy

HSBC,

13 36597

Un-Answered Questions { MainFrame }

What is null value in db2?

1026

what is the use of outrecord?

2219

Explain about logical data model of idms?

880

How do you check object lock

832

How to write record if no field or the field are different in physical file in rpgle ?

965

what disp parameter we mention for creation of temporary dataset so that we can use it in later steps?

1226

How is record management performed in vsam?

1140

Distinguish among erase, erase permanent, erase selective and erase all?

1667

Can I redefine an x(100) field with a field of x(200)?

966

How to retrieve a physical file after deleting that?

1116

what u mean by csrloc and rtncsrloc in rpgIV in as/400.Give an eg? to do...give some coding...what is row no and column no ???..if possible...give a no of lines coding....please

4449

Mention a credible reason why select* is never given preference in an sql program that has been embedded.

1196

Name all the file-open modes

1080

What is cascading rollback?

1214

Which is the difference between delimited by size and delimited by space?

1093

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