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 6892

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

IBM,

7 26033

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

11673

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

IBM, SPIC,

2 8221

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 21131

what is db2 restart?

2149

what is the difference between COBOL2 AND COBOL390?

L&T,

3049

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

4152

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,

2386

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 9436

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,

2581

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

1 4695

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 15244

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

CTC,

1 21049

Can a Db2 table data be retrived through JCL?

4 8634

Un-Answered Questions { IBM MainFrame }

What is the function of //jcllib statement?

1316

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

11661

What is the function of dd disp parameter?

1133

Can the values of alphanumeric be moved to variable numeric?

1090

How many databases are there?

1052

What is a hyperdescriptor? How does it work?

1111

Define cobol coding sheet?

1002

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

1217

explain icm instruction?

1073

Whenever a cics program goes through a compilation process, there is always some extra code that is added to the program. Where exactly does this new piece of code go to and what is it termed as ?

1031

explain sorting techniques in cobol program?

1197

differentiate between sequential files and esds files in vsam?

1168

10. Why mainframe testing is so important? Give any three advantages of Mainframe Testing?

3559

what is the meaning, the advantages and which are the types of evaluate statement?

1049

What is the main function of linear dataset?

1085

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