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

IBM MainFrame (5234)
IBM AS400 (1355)
IBM PL/1 (31)

MainFrame Interview Questions

Questions Answers Views Company eMail

What is the improvement to COND= in the latest version of MVS?

3 7676

What is the purpose of the PARM keyword in the EXEC statement?

3 9385

What is the purpose and meaning of the REGION keyword and what JCL statement is it associated with?

IBM,

3 28236

What is the purpose and meaning of the TIME keyword and what JCL statement is it associated with?

1 5863

What is the meaning of data definition name (ddname) and dataset name (dsname) in the DD statement?

2 9382

How is the keyword DUMMY used in JCL?

4 12683

What does the keyword DCB mean and what are some of the keywords associated with it?

ITC Infotech,

3 9635

What is the difference between BLKSIZE and LRECL?

3 17273

Can you execute a PROC from another PROC?

Keane India Ltd,

8 28536

What will happen if you attempt to restart a job in the middle of a JCL // IF .... // ENDIF?

4 10588

How many positional parameters are there in job statement?

4 15992

What are three parameters you can specify on Job statement as well as on exec stmt ?

1 7165

How can you trap abends in the JCL?

3 16086

How do you restart a step in JCL?

HSBC,

12 95126

How do you pass parameters to the program as the job is being executed ?

2 7154

Un-Answered Questions { MainFrame }

Difference between array and sub-script ?

1661

What are the access modes of START statement?

1273

What is a set in idms?

839

Explain correlated sub-queries.

1033

suppose I have 1000 rows in a db2 table. I want to update first 100 records, how do I do it?

1123

What happens when we move a comp-3 field to an edited (say z (9). Zz-)?

1407

What is mainframe computer /system?

1021

If a ceo wants to see all employees of the company from an online screen. How will be the design of the map from the developer point of view?

1036

What is binder language ?

1900

What is db2 bind?

1082

what is the maximum number of record formats in dspf?

1686

What is the difference between cursor stability and repeatable read isolation levels?

1175

What are the rules for db2 programming?

1089

How do you write from PL/1 code to JCL?

2287

What is dbrm? When it will be created?

1029

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