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

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IBM MainFrame Interview Questions

Questions Answers Views Company eMail

i created one base gdg with lrecl = 100 , now i need to create versions with different lrecl =150,200 can it be possible to create like tht ?

Patni, Syntel,

1 10017

is there any restrictions for unions ?

Patni,

4 9488

can i code union in cobol-db2 pgm ?

Patni,

4 13459

Suppose a generation of GDG gets created in a particular step of a proc. How would you refer the current generation in a subsequent step? What would be the disposition of this generation now ?

Patni,

4 8967

Size of a column has been changed in DB2 table (Suppose it was of 5 characters and later changed to 4 characters) and forgot to change the DCLGEN in COBOL program, what will happen during the execution of code? If the program Abends then what will be the error? If it doesn't abend then hpw the error can be catched?

IBM,

5 11248

I have a table with 3 dimensions like this : 01 ws-table 04 ws-page occurs 3 08 ws-column occurs 2. 12 ws-record occurs 20 pic x(40). How to code with PERFORM varying with 3 dimension...I forgot..

EDS,

2 6557

I have a JCL with 100 steps. I want run the Alternate steps in the JCL ( Like 2 ,4,6,8 etc.. ). How can I acheive this scenario? If It is by Cond Parameter can you provide the Condition code for that?

Polaris, Tech Mahindra, UST, Wipro,

5 29095

wht do u mean by internal reader in jcl ? wht is the use of internal reader ?

Syntel,

1 8193

wht happens if cond=true ? pls give me with an example ?

Syntel,

2 6511

i have records from 1 t0 100 . i need to open records from 10 to 18 and change the values in tht ? how can i do tht ?

Syntel,

2 8304

I have Job A and Job B. I want to trigger Job B from Job A. Please advise.

Wipro,

2 12676

how can u understand ps and pds from their names ?

TCS,

1 5660

i want to avoid the positional parameter how to code it ?

TCS,

3 12338

restart logic ?

TCS,

2 7581

what is d/f b/w sysout & sysprint

TCS,

4 16789

Un-Answered Questions { IBM MainFrame }

Cursors can be declared in both working-storage & procedure division, agreed. But is there any difference? If could you please suggest what is the difference

1560

What is the copy idms subschema-binds?

902

Give certain situations where NEWCOPY is obligatory?

1162

What is the tcp in the cisc?

1160

Explain how to pass instream data in sysin with assembler?

1152

What are the error (ONCODES) codes did you encounter in PL/1 programme?

2976

how to access data in control blocks such as jobname?

1013

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

2306

What do you understand by the term notcat 2 – gs?

1303

What do you mean by between and in? Is between inclusive of specified range values?

1147

Is it possible to port existing applications from the mainframe or os/2? Are there major changes required to do this?

972

which utility is used to sort a file in jcl?

1288

how could you write a program in a structured format?

1059

hi.... anybody send real time project related questions & answers whatever will ask in interview plz.....help me? advanced thanks....

2547

List some fields from sqlca?

1114

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