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 purpose of dd dummy statement?

1463

When space is allocated for an output dataset, what units can be used?

1267

What is the function of //cntl statement?

1336

What is the function of dd disp parameter?

1135

Many jcl statements contain specific values designed to direct and control the execution of the statement. What are these fields called?

1227

What is the function of job statement in jcl?

1094

What is the format of comment statement?

1217

In sms datasets, what is the function of the dd mgmtclas keyword?

1384

In order to continue a job after a return code of 12 in step1, what the step2 exec statement include?

1 3337

Where can program checkpoints be stored for use in a restart?

1440

How can values be passed from the job stream to an executable program?

1441

What is concatenating?

1082

What is the function of //jcllib statement?

1318

What statement marks the beginning of a job step; assigns a name to the step; identifies the program or catalogued or in-stream procedure to be executed in the step?

1102

Why block size is multiple of lrecl in jcl?

1427

Un-Answered Questions { MainFrame }

Which is the difference between delimited by size and delimited by space?

1093

Name the sections present in data division.

1247

Why do we use cursor?

1100

seqence numbers in cobol

3121

What is the as400 called now?

986

how long does the install of oorexx take?

1012

how do you create an alternate index ?

1070

how do we describe static call and dynamic call?

1012

Can you explain function of dbctl?

1125

What is the maximum size of a char data type in db2?

1010

What is the maximum No of rows per page?

1069

Is mainframe an operating system?

935

What do you understand by the term “keyword” with respect to jcl and what is the opposite of the term?

1143

what are the idcams commands that can be used for vsam and explain each of them.

990

What are sqlcodes –803,-805, -811, -818,-904,-911,-913,-101, +100?

1185

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