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 need for a secondary index in ims?

1078

What are the rules for db2 programming?

1087

Define db2 and its databases?

1055

Explain host variables?

987

What is the mainframe testing? Categorize the mainframe manual testing?

956

Can we move alphanumeric incentive to the numeric field?

1044

What is the mainframe computer?

941

Describe the benefits of drda?

954

What are some uses of the evaluate statement? Explore the syntax of the evaluate statement?

969

When the job statement is used?

972

Categorize the mainframe manual testing?

982

Explain eib?

918

How many types of evaluate statements are available?

989

How to declare host variables?

990

Name the versions of ibm mainframes have introduced in the market?

961

Un-Answered Questions { IBM MainFrame }

What is an ims database?

1140

What is Pic 9v99 Indicates in COBOL?

1256

DB2 can implement a join in three ways using a merge join, a nested join or a hybrid join. Explain the differences?

2841

What is an area sweep and when is it used?

1542

How to create backup table in db2?

1089

Can dynamic calls be used in CICS?

1137

What is the purpose of the dd keylen parameter?

1218

I have 60 steps in the JCL and want to Execute Only First from PROC by overriding in JCL ?

1836

what are the parameter we cannot use in procedure? How many instream we can write in single jcl? Can we call instream to catalog and catalog to instream?

1036

What is the function of the verb initialize?

1083

List out the three types of page locks that can be held.

1148

what is a base cluster in vsam?

1135

Can you please let me know the centre name of INS certification in Kolkata.

2244

How scary is it to write code for a bank?

991

what happens if parmparameter passes zero bytes to the program

2131

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