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

what is the meaning of currency ???

TCS,

4 12273

There are a set of 10 files and a customer will be selecting random no of files(i.e they may be more than 2, may not be in the order).Sometimes he might just select one file or sometimes no files at all.How do you code a JCL for this? Is it possible to code just JCL alone for this problem?

Infosys,

9 18489

Is it possible to precompile if db2 goes down?

Target,

4 14200

What is check pointing, sync point?

3 15948

How do you write a PSB code ?

3 12298

List some valid operation codes in JCL

3 11583

How can I write the joblog in the spool on normal end of a job step and direct the joblog to a dataset only if the step abends?

2 8750

//step#3 exec pgm = hkbc762 what is wrong with the syntax?

3 8657

Name the system library from which modules are retrieved at execution

3 11813

Name the system library from which modules are retrieved at execution

2 7721

When we use conditional statement in JCL using if-then-else-endif, IF statement is true, the step is bypassed or executed?

6 20651

//{name} INCLUDE MEMBER=memname {comments} in the include statement, what actually happens when its executed? The membername conatains a list of valid JCL statements, so will the include statement be substituted by these statements and how can we mention the pds that conatains the member? How does the include group differ from a PROC? how is include statement connected to JOBLIB and STEPLIB?

CCS, CTS,

2 19854

Does the terms, JOBLOG, SPOOL and SYSOUT indicate the same thing, i.e., where JCL and JES messages and statements are written ?

2 9424

How do I Run My Rexx Exec.?

2 18186

How do I find or access the current level of a GDG?

2 15394

Un-Answered Questions { IBM MainFrame }

How do you use altindxs in batch, cics programs?

1038

What is the difference between hdam and hidam databases?

1124

What is db2 instance?

1076

which utility is used a dummy utility?

1462

Explain the maximum number of fields allowed per segment and what is the maximum number of fields per database?

1057

What is the best way to code to provide me the info that there are disks in the array failing or failed? How to code? Run in batch?

802

State all the file open modes?

1060

can anybody post me about file-aid and changemen tools pls and give me reference if any mainframe guys are there

2371

how do you define an altindx ? How do you use altindxs in batch, cics programs?

1067

Which are the db2 tools to protect integrity of the database?

1120

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

2218

what is SOC4 error?

1218

What is meant by drda?

945

What is node in db2?

1042

What does a cics translator do?

1434

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