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 are types of indexes?

1076

What is bind and rebind in db2?

1139

What is cascading rollback?

1214

How can the firstname and the lastname from the emp table be concatenated to generate complete names?

1278

What is catalog database in db2?

1166

What is database reorganization?

1128

What is copy pending and check pending in db2?

1004

Why cursor is used in db2?

1036

What is an instance in db2?

1035

What is the use of with ur in db2?

1058

Can we delete records from view?

967

How do I delete a table in database?

1023

What is difference between rollback and commit?

1164

What is static and dynamic call in cobol?

1070

What is the use of dclgen in db2?

1085

Un-Answered Questions { IBM MainFrame }

What is the purpose of having vsam data space?

959

what is the role of the is numeric clause?

1095

what is swap-in and swap-out?

1099

Explain ceci transaction commands?

1030

How is the value function used?

1157

How converted the natural coding for adabas

3281

what is DSN parameter and DISP parameter is used for?

1149

Explain the different system tables used in cics?

1016

What is the format of comment statement?

1224

In case if at some point of time db2 is down, would that impact the pre-compilation process of a db2-cobol program?

1046

What is data trace system 2.0 used for?

5646

how do you create a dataset in a jcl with the same file organisation as that of another existing dataset?

1409

Categorize the mainframe manual testing?

987

Explain lock contention?

1062

what is the use of outrecord?

2221

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