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 many types of sorts are there in jcl?

IBM,

2 6898

the command to open a dataset directly from the JCL instead of opening it separately using 3.4 option.

IBM,

7 26052

SQLCODE = -199, ERROR: ILLEGAL USE OF KEYWORD CHAR, TOKEN KEY was expected

11676

What is the component?what are the different components there using cobol and cics

IBM, SPIC,

2 8231

i have 10,000 records in one input file.i want to sort 1 to 5000 records in one outputfile and remaining records sort in another output file write the syntax for this?

DELL,

4 21143

what is db2 restart?

2162

what is the difference between COBOL2 AND COBOL390?

L&T,

3058

Matching Logic in Jcl not in cobol.Could any one please answer this question

4156

I have a subprogram B calling from mainprogram A.I have opened a cursor in A ,Can i fetch the same cursor in subprogram B , If yes , Please explain the reason?

HeadStrong,

2389

I have a subprogram B calling from mainprogram A.I have opened a cursor in A ,Can i fetch the same cursor in subprogram B , If yes , Please explain the reason?

HeadStrong,

1 9442

How can i load all the data from a file to Table (array) in cobol.How i manage the occurs clause with out reading the file.Any options avilable ? Please can any one help me it is urgent?

HeadStrong,

2586

how can we merge two input files from two different jobs into one output file ? Please ans any one ASAP?

1 4704

Suppose i have a variable with s9(18)v99 comp3 . what is the size of variable . If s9(18) comp3 is 10 bytes . There should be some difference between two allocations ? Thanks krishna chaitanya

CSC,

2 15260

how to put a dependency on job in jcl using opc scheduler?

CTC,

1 21052

Can a Db2 table data be retrived through JCL?

4 8644

Un-Answered Questions { IBM MainFrame }

How to code the db2 queries using rexx?

993

Define cedf?

963

What is db2 look?

1026

Explain how can a stopped job be started again?

1139

Explain the difference between using the read command with into option and set option?

1026

in my project..TEST is db2 8.1 version In PROD it is 7.1 if i do REORG in TEST.. can I use the same REORG jcl with out modification in PROD region (this is DB2 8.1 )? if not, what modification i need to do in my REORG control card?

2099

What is the usage of open cursor command?

1100

Can you explain communication area?

1039

What is the difference between binary search and sequential search?

1091

explain icm instruction?

1085

What is NOTCAT ?

1335

can any one plzzzzzz tell the jcl code for creating ps using idcams

11665

Explain the catalog?

991

have in 100 records in a file i want to read first 3 records and skip next 3 records and agan i want to read 3 records and again i want to skip 3 records... run a loop from record one to 10 evaluate i/3 if comes even then skip else write to output file

1520

How to find out the closest prime number of an input number? I believe it has something to do with SEARCH and COBOL Linear Array.

4173

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