MainFrame Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

IBM MainFrame (5234)
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MainFrame Interview Questions

Questions Answers Views Company eMail

write a program to eliminate duplicate records in a input file and send them to output file.THIS IS IGATE RECENT QUESTIONN.....JUST 1 WEEK BACKKKK...

iGate,

5 20045

In CICS, BMS what is the use of FREEKB parameter

IBM,

2 12437

how many maximum no of variables can be declared in linkage section ?

HCL,

2 6615

what are the isolation levels and where we use it in the db2 program

TCS,

3 8162

what is scope terminator

IBM,

2 6013

what is the drawback of vsam dataset?? a.execution slow. b.free space. c.independent storage device. d.none of the above. let me know the answer with reason.

Target,

4 8017

which is the most efficient tablespace?? a.simple tablespace. b.partitioned tablespace. c.segmented tablespace. d.none of the above. please post answer with the reason.?

3 6415

db2 maintains information about the data... a.in tables. b.in a set of tables known as db2 catalog. c.in db2 database. d.none of the above.

1 4072

database DSNDB01 means a.db2 catalog b.db2 directory c.BSDS d.active logs answer with reason please

1 5890

should a AIX should be a unique value?

1 3867

what is the concept of AIX in vsam ????

HCL,

1 4344

max how many AIX coded in a vsam dataset??

2 5601

FREESPACE can be specified for which type of cluster? a.LDS b.RRDS c.ESDS d.KSDS

2 8124

what is the concept of IMPORT in vsam??

2 6296

in what type of vsam datasets can an alternate index be defined??

4 8224

Un-Answered Questions { MainFrame }

What is syscat in db2?

1010

Explain the difference between and exec cics xctl and exec cics start command?

1149

which program rpg or cl is efficent to update a transaction onto a database file and why ?

1243

I want to JCL sort for Non-COMP and COMP-3 fields SORT FIELDS=(1,5,A,6,11,A,12,11,A,19,1,A,20,1,A),FORMAT=BI,EQUALS Length of comp bytes is 11 bytes which start at 6byte and 12 byte considering 11 bytes in comp-3 is 6 bytes. Can anyone tell if the above sort work SORT FIELDS=(1,5,A,6,6,A,12,6,A,19,1,A,20,1,A),FORMAT=BI,EQUALS does not works OK

1942

How can you do the explain of a dynamic sql statement?

1069

What is host variable?

1057

Explain the difference between null compression and default compression?

944

What is the format of comment statement?

1217

) how do u code after getting data?

2153

Highlight the points of differences between XCTL and START?

1236

What is the difference between local and central version operating modes?

1314

Can you define cics task?

1110

What is control interval?

1071

What is the use of uni-rexx?

941

Is there any command to check wether the ps file is in sorted order?

2888

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