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 are type 1 and type 2 indexes different?

968

State the maximum number of tables that can be joined?

940

How is data retrieved from multiple tables using a single sql statement?

974

Why is free space left in ksds dataset?

1063

What is the importance of common attribute?

1019

What are the different types of table spaces?

944

Explain referential integrity?

1049

How are composite and multiple indexes different?

953

Can records be accessed randomly in esds?

914

What is the difference between general testing and mainframe testing?

1030

Does qtp tool support mainframe application testing?

1020

What is mainframe application testing?

989

What is mainframe computer /system?

970

How jcl is used for testing batch programs?

1221

Can we use DISP=SHR in output file in JCL

1369

Un-Answered Questions { IBM MainFrame }

Explain why do we use file-aid for seqential files?

1008

Define an aey9 abend?

1150

How can the submitting users racf authority be overridden in a job stream?

1216

Explain the mdt in cics?

1084

What is the difference between dbm cfg and db cfg file in db2 ?

1481

What is the function of the dd mgmtclas keyword in sms datasets?

1183

what is DD statement is used in JCL?

1131

What is meant by dclgen?

1062

what is the meaning of ssrange and nossrange?

950

Define acb?

3587

Explain the function of the cics translator?

988

Can a Search can be done on a table with or without Index?

1237

How errors are handled in CICS programs?

1067

When is inspect verb is used in cobol?

1182

What is bind and rebind in db2?

1076

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