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

COBOL (1072)
JCL (1031)
CICS (755)
DB2 (1122)

IMS (143)
IDMS (107)
Natural (81)
ADABAS (26)

REXX (60)
Assembler (68)
CLIST (6)
QMF (32)

MVS (25)
OS390 (10)
OS 2 (7)
VSAM (319)

IBM MainFrame Interview Questions

Questions Answers Views Company eMail

plz give the syntax for receive map and receive text cmds in cics

1 8820

plz tell me abt PF key and PA keys

Cap Gemini,

2 9000

what is s000 u4087 error? please give the all error codes in cobol,jcl.

17872

in cobol main pgm is calling sub pgm but sub pgm does not exists , what abend i get if submit the job?

HSBC,

2 10124

How to remove the spaces at end of each record in the output file Via COBOL program? note: The file has a VB length

TCS,

3 9252

I am getting S00F abend when i try to compare two variable of different pic class,one variable is of 9(09) and another is S9(09) comp-3. First i moved the data from S9(09) comp-3 to 9(09), but no luck. So i tried to move the data from S9(09) comp-3 to X (09) and move to 9(09). I am getting same error message, Please help me to find solution for this ptoblem. ERROR MESSAGE - "The system or user abend S00F R=NULL was issued."

1 6926

what is filler and what is use of filler

Syntel,

3 8535

Can we use group-by clause in sub-query? If 'yes' means,Will it be executed successfully or else If 'no' means why should we not using that method? Give me your suggestion please....

1 4803

how to write a jcl prog to copy alternate recs from ps1 to another ps2,suppose ps1 having 10 recs?

Steria, TCS,

2 9811

what is the sqlcode -501

IBM, Polaris, Zeus,

5 13127

Suppose I have 5 dataset listed under a single DD name in a catlogued PROC. How can I override one of those 5 dataset (say 3rd dataset)?

Cognizant,

5 30000

In a COBOL program, 2 tables TABLE1 and TABLE2 are defined that are indexed by INDEX1 and INDEX2 respectively. Can we use INDEX1 with TABLE2 and INDEX2 with TABLE1?

1 5078

I am totally confused on IMS message segments. When I create a message and it contains 5 segments does the entire message have a 32k limit or does each segment have a 32k limit? Is there a setting in the stage1 sys gen that defines if a transaction can receive/send multi-segmented messages?

1 3668

I understand Join always perform better than subqueries. Then what is the advantage/use of Subqueries/correlated subqueries etc.,in DB2 programming.Please explain.

2059

How to select the duplicate rows from a table?

4 8613

Un-Answered Questions { IBM MainFrame }

What does the 'cemt:cics' transactions do?

1197

Explain dclgen.

1195

What are the 4 fields in dd statement?

1261

What is an ook-rec in idms?

854

What is length is cobol?

1097

i want to learn mainframe..any websites and material to learn from basic..? my mail id : rajeswaribe2010@gmail.com

2217

What is the use of predicate?

1039

What is task control?

1155

what is use of linkage section?

1084

Brief description of inline procedure of jcl.

1246

how do you create an alternate index ?

1066

What is the function of finish in idms?

877

Explain the purpose of the file status clause in the select statement?

986

What are the sub parameters for undo command?

1085

What is buffer pool in the db2 database?

1089

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