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

how can we find total no of records in a file ....is there any utility......?

IBM,

3 7985

how will u pass dadta to cobol+db2 program...?

IBM,

4 9906

can anyone explain me about sort in jcl with inrec and outrec ?

HCL,

2 15377

in production region 100 steps are running,but i need to run only step5 without changing code how can i do it?

HCL,

4 11873

which is better either static call or dynamic call? and why?

HCL,

5 12215

can we redefine 77 level item is it possible

HCL,

4 11123

what are difference organizations in cobol and access mode in cobol? can you expalin what organization means while declaring for ksds,esds,rrds?

HCL,

1 9301

what is the advantage of using redefines instead of delaring the variables ?

HCL,

5 10610

cobol-db2 runjcl please?

DELL,

2 6755

can we update the table by using cursors can anyone post the query?

DELL, HCL,

5 11062

is there any lock for vsam file so that no one can update the vsam file ?

HCL,

2 9819

what is the use of aix in vsam why do we go for aix and wht is build index in vsam?

HCL, IBM,

5 12513

WORKING-STORAGE SECTION. 01 A PIC X(3) VALUE 'ABC' 01 B PIC 9(3). PROCEDURE DIVISION. MOVE A TO B. STOP RUN. OUTPUT IS: AB3 WHY AND HOW THIS IS HAPPENING.

Atos Origin,

4 8471

I have dataset DS1 which has records say 1 2 3 4 5 ... ... etc And also I have second dataset DS2 whcih has records 1 3 4 5 6 8 .. ... Both the files are sorted and now I want to compare these files and write it into the third files if the records are matching.

FIS, Wipro,

4 12054

I have GDG defined e.g. GDG.smaplegdg.base, after processing the GDG. it contains some records and which is input to the second step2. How can I use GDG to use it as input file at step2.

Wipro,

3 8687

Un-Answered Questions { IBM MainFrame }

What does sqlcabc has?

1046

Explain ims software environment?

971

I have a COBOL program that ACCEPTs some input data. How do you code the JCL statement for this?

1190

How to find the number of rows in db2 tables?

1065

Explain the data storage?

994

Yes. Because the alternate key would first locate the primary key, which in turn locates the actual record. Needs twice the number of I/Os.

2413

What are INPUT PROCEDURE and OUTPUT PROCEDURE?

1293

What methodology can be adapted to transfer data to a program that is coded using the exec statement?

1212

How can the attributes of one sms dataset be copied to another dataset?

1418

What is recovery parameters in define cluster command?

1050

What is the meaning of a (new, catalog, keep) disposition mean?

1109

Explain how does idms communicate with cics?

900

name the command that is used to dump the main storage areas related to a task?

1094

what do you mean by gdg in vsam?

1191

What are the main control blocks available in ims db?

1091

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