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 IS DIFFEENCE BETWEEN PDS AND PDES? STEPS BEFORE MERGING? DUMMY DATASET USES? DIFFERENCES BETWEEN IDCAMS AND ICETOOLS? DIFFERENCE BETWEEN ALL JCL UTILITY TOOLS?

HCL, IBM,

4 12654

how i can enter into cics region in real time.

Cap Gemini,

2 10237

After execute the map, What will happen ? Give breif Description

HCL, IBM,

4 9688

How do find length of the cursor in cics map ?

HCL,

3 9470

can we declare s9(9)v9(9) in cobol ? if yes how many bytes it will occupy ?(urgent plz answer it)

CTS,

13 36735

can any one tell "in esds in what structure records will stored?"

1 4194

how can we convert esds to lds?

2 5994

How many maps are create in a single mapset?

5 13610

what is the use of reuse in vsam?

3 14376

What is difference between copy and include?

6 18163

01 xxx pic 9(4). 01 yyy pic 9(6). move 123456 into yyy. move yyy to xxx. display yyy. what would be the value of yyy

HSBC,

13 36655

can you please let me know if there is any walkins for COBOL/PLI/DB2/IMS/JCL in pune other than IBM and ITC infotech

2435

how GDGs are concatinated?

HSBC,

4 9383

Using DELETE what type of file can you delete? a)SEQUENTIAL FILE B)INDEXED FILE C) D) Some options were there..i cant remember

HSBC,

3 8929

in step1 of a jcl,disp=(mod,delete,delete) step02 exec pgm=ccc,cond=(0,le) will step02 be executed? i)never ii)always iii) iv)... i dont remember options

HSBC,

4 10334

Un-Answered Questions { IBM MainFrame }

What is the full form of adabas?

960

State the uses of syspring, sysin, sort fields, sum fields and dummy.

1093

for which platforms is uni-rexx available?

993

What is idms-restart ?

1497

We can use PASS with permanent datasets also. THEN Which is the condition in which we may use PASS (instead of KEEP) with permanent data sets, while there is no need to specify UNIT and VOL for them like temporary data sets (in cas we use KEEP for permanent data sets) ?

2420

i tried to copy some records from microsoft excel to as-400 physical file through "Bosanova" emulation. Out of 14000 records only 12000 records copies and subsequently programe started to hang. Then, i closed the program forcefully. I did' under stand the problem. Also when i try to compile the physical file it is showing as "The file in use". How to overcome this problem?

2539

Explain the difference between a schema and a subschema in idms?

843

Which dd parameters are required?

1195

What is a trigger in the db2 database?

1096

If fspc(100 100) is specified does it mean that both the control interval and control area will be left empty because 100 % of both ci and ca are specified to be empty?

1104

Define transient data?

1050

what is diffrence b/w file-aid tool and file-aid utility???

4906

Explain about mirror activator disk mirroring?

1018

What is nvl in db2?

1109

How to find the maximum value in a column in the db2 database?

1087

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