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

If we wish to create bms executable, what are the basic steps that the user has to go through?

1156

In a particular cics program, what is the procedure to allocate dynamic memory?

1223

What is meant by an attribute byte?

1101

Is length = 0 sufficient to ascertain that the field has been modified?

1155

Explain the primary significance of intra-partition and extra-partition tdqs ?

1135

Explain the uses that are associated to tsq and tdq ?

1139

Whenever a cics program goes through a compilation process, there is always some extra code that is added to the program. Where exactly does this new piece of code go to and what is it termed as ?

1077

What does a deadlock mean in DB2?

1222

What is the advantage in De-normalizing tables in DB2?

1240

What parameters are used to control the free space in DB2?

1099

How can record locking be achieved in those DB2 versions which do not support it?

1136

Name the lockable units in DB2?

1191

What is the need of a secondary index in IMS?

1106

What is the place for VSAM KSDS?

1159

When are scope terminators compulsory?

1093

Un-Answered Questions { IBM MainFrame }

What is a page in db2?

1083

What are the main control blocks available in ims db?

1155

how do you create an alternate index ?

1124

Explain the significance of rdo?

1142

I had Records in file Like this Company Code IBM 2 IBM 1 IBM 4 WIPRO 3 WIPRO 2 WIPRO 9 TCS 4 TCS 6 TCS 3 i want the record of every company with highest code How can i do that?

10297

Explain cebr transaction commands?

1121

How would the varchar column remarks defined?

1136

What is view db2?

1133

How to create backup table in db2?

1151

How to run cobol program using jcl?

1298

How do you use altindxs in batch, cics programs?

1104

What is the need to code commits in batch programs?

1200

Sync points cannot be requested by the application programs? State true or false

1208

Define dynamic processing?

1064

what is DSN in JCL and what are the parameters to declare the DSN?

1260

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