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

In the COBOL SELECT statement for a KSDS what are the three possibilities for ACCESS?

3 10317

What is the COBOL RECORD KEY clause?

2 9165

What is the purpose of the FILE STATUS clause in the SELECT statement?

1 5869

If you wish to use the REWRITE command haw must the VSAM file be opened?

1 7571

Explain the meaning and syntax for the START command. ?

IBM,

4 21768

What is the meaning of dynamic processing?

2 6970

Name some common VSAM error conditions and codes. ?

IBM,

1 7171

What is the VSAM-code field?

1 4844

What is a VSAM slot?

1 5647

What is the utility program closely associated with VSAM?

1 4615

There are at least seven IDCAMS commands; name and explain each of them ?.

1 9617

What are the three levels of definition for the VSAM DEFINE?

IBM,

2 8504

What is the significance of the SHAREOPTIONS parameter?

IBM,

1 5783

What is the meaning of the DEFINE MODEL parameter?

1 5124

What is File Status in VSAM?

IBM,

1 7912

Un-Answered Questions { IBM MainFrame }

why should SYSIN DD * statement should not be included inside a PROCedure snippet??? please answer this.. i need to know.

2507

How do you overcome this limitation ?

1261

How to fetch 1000 error records from VSAM file(Eg: 1000000 records present) while getting SOC7 abend ?

2554

What is a mainframe?

1031

how can you define a dataarea(DTAARA) IN RPG? Which spec you define it C-spec/D-spec?

1919

What is the common work area?

1051

in a cobol select statement, can you tell what is the organization for a ksds?

1171

What do you mean by rollback?

1041

Explain how to differentiate call by context by comparing it to other calls?

1250

What is a lds (linear data set) and what is it used for?

1063

Must tape dataset definitions include vol=ser specifications?

1791

Can there be more than one cursor open for any program?

1232

How to Clear a Query Using the RESET Command ?

1790

How to use the same COBOL program in Batch and CICS on lines? explain with an example

2443

What are the building blocks used in vsam datasets?

1042

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