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IBM MainFrame Interview Questions
Questions Answers Views Company eMail

how to fetch the record before the last record in a cobol file( its a huge file and if the key field is not known)

IBM,

5 19027

what is the meaning of pic 9(09)v99-

HSBC,

4 22832

How to open VSAM file from 3.4? i have millions of records and i dont want to use the print ch ids(/) command bcz it takes to much time. so if you have any another command to open this plz tell me.

HSBC,

2 24392

How to change size of Initial number of records to *NOMAX for ALL PF files from perticular library, how can I do that

3230

is there any way to execute more than one proc in the same exec statement at the same time..?

2631

I have a job (4 steps) with time parameter coded in job & exec, say time=10 in job & time =3,2,2,4 in each steps. Will the job executes successfully?

Cognizant,

4 12290

How to find out the number of records in a file using JCL

CTS,

5 46619

Say I have a file with 12 records. Each record has the name of the month. I have to append data in these 12 records into 1 record. How is it possible?

CTS,

2 10106

When a COBOL-DB2 program in PRODUCTION is updating main tables and gone for long run, what have to do?

Broadridge,

3581

I have database, in that segment1 having dept code and segment 2 and so on multiple employees num. using dept & employee num we have to compare whether that employee belong to that dept or not, if that employee belongs to that dept then incentive is same same as in the table or else incentive must be zero? using IMS & cobol

IBM,

1 5750

in my project..TEST is db2 8.1 version In PROD it is 7.1 if i do REORG in TEST.. can I use the same REORG jcl with out modification in PROD region (this is DB2 8.1 )? if not, what modification i need to do in my REORG control card?

2091

can any one provide me the link for the db2 v7 & db2 v8 manual for Z/os? i need to know about the syntax of REORG in both versions & need to know the difference as well

2242

What does an outer join do?

CTS,

1 7806

What happens to a cursor after a commit?

3 9926

What do you do to keep the cursor from closing after a commit?

1 6917


Un-Answered Questions { IBM MainFrame }

What is a ca split?

1076


Can you explain common systems area?

1100


What is meant by dclgen?

1104


What is an instance in db2?

1033


Discuss about changing dataset name in proc.

1233


what are the types of abends that occur on job failure? And explain the possible causes of these

1612


How joinkeys helps in sort?

984


what is the difference between a package and a plan. How does one bind 2 versions of a cics transaction with the same module name in two different cics regions that share the same db2 subsystem?

1060


in ways data can be passed to a COBOL program from JCL?

1221


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

1172


Explain the benefits you can get from mainframe connect?

970


Define exec cics retrieve?

1177


I have a program with an Array of 5000 occurences which is being passed from 5 sub levels to the front end screen. Thess 5 programs using each 5*2 = 10 different arrays with size as 5000. This is causing the transaction to utilize more storage consupmtion. I am looking to reduce the storage consumption. As part of that initially i thought Dynamic array may solve my problem. After viewing the comments given i see its same as normal array. IS there any other way we can resolve this issue?

1647


Suppose I have a program in cobol name ”careerride” and want to execute the program by jcl. Specify the process?

1115


What type of database is db2?

967