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?

1019

What is bind and rebind in db2?

1095

What is cascading rollback?

1160

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

1246

What is catalog database in db2?

1123

What is database reorganization?

1080

What is copy pending and check pending in db2?

972

Why cursor is used in db2?

1006

What is an instance in db2?

1002

What is the use of with ur in db2?

1016

Can we delete records from view?

934

How do I delete a table in database?

996

What is difference between rollback and commit?

1117

What is static and dynamic call in cobol?

1029

What is the use of dclgen in db2?

1035

Un-Answered Questions { IBM MainFrame }

Why block size is multiple of lrecl in jcl?

1367

What are the processing modes available in ims db?

1044

What is temporal table in db2?

1002

What is an instance in db2?

1002

What are steplib and joblib? What for they are used?

1167

Explain the function of entry-sequenced data set?

993

What is perform what is varying?

1126

How jcl is used for testing batch programs?

1241

Can you define mapset?

1002

what happens in conversion stage in job processing?

1191

What does a rollback do in idms?

922

What is db2?

1144

What is the need of a secondary index in IMS?

1043

whats the diff bw the evaluate also and and?

2313

What is isolation level in db2?

961

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