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

I have three fields in a Variable VSAM file X(2) Y(10) occurs X times Z(02) Say for the first record X=2 then the length of the file is 2+(10*3)+2=34 second record, x=4 then 4+(10*4)+2=46 If any time if the field x is updated then the total length changes. Is it feasible? Is it

2 4524

There is a variable with value 19446. Requirement is to convert it to 194.46. I tried it by doing divide by 100 and my receiving field data type is 9(03)v99. But the output is 194. I am not getting the decimal value. Could anyone pls let me know how to get this done?

2 6512

how to access the file from prodution from changeman tool and to submit a file to production

IBM,

1 7536

if a file has 1000 recods how copy the records from 1 to 100 records using sort

IBM,

4 8527

WHAT IS NULL INDICATOR ? WERE IS THIS USED? AND IF IT IS USED IN FILES CONCEPT? HOW DO WE USE IT?

IBM,

2 6974

what is cursor stability?

IBM,

2 6179

how do we solve soc 7 and soc4 ?

Tech Mahindra,

3 10564

how the control comes back from subprogram to mainprogram

IBM,

3 7373

if a dataset is already created with fixed length but after that i want to change fixed length to variable length then how is it possible

IBM,

3 9196

what is the difference between perform varying and perform until

TCS,

4 20503

Hi Dude,this is Ram.could any one tell me aboue CURRENT OF clause in DB2. Thanks in advance.......

2 5206

what is SYNCHRONIZATION?

Syntel,

3 7713

how to check the table is empty or not?

IBM,

3 11618

give the examples of strings in cobol

IBM,

1 5226

what is the difference between where clause and having clause

IBM,

2 8851

Un-Answered Questions { IBM MainFrame }

What is find and read operation in adabas file?

884

How can tablespace be moved to another dasd volume that is allocated for that tablespace?

1233

Explain about maximum displacement?

1052

WHAT IS THE PROCESS OF "CLAIM PROCESSING SYSTEM"

2390

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

2424

What are host variables in db2?

1064

What is auto status?

1634

Suppose I have a ksds file. I have a records like 1,2,3,4,5,6,...100. I want to read using dynamic mode like from 10 the record onwards like, 10,12,14,16,18,....60. Wat is the command for this?

667

Can QSAM files be accessed from CICS?

1126

how to access data in control blocks such as jobname?

950

which transient data queue support ati?

1151

What is a SSRANGE and NOSSRANGE?

1461

What is dl/i?

1125

how to display the negative numbers?

2330

) what is the difference between AID and HANDLE AID?

2149

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