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

When output dataset space is required, what quantity categories are used?

1364

What parameter of the job statement is used to limit the cpu time consumed by the job?

1279

How can an in-stream dataset be terminated?

1342

What is the purpose of the dd keylen parameter?

1219

What is the purpose of dd?

1239

What statement marks the end of an in-stream or catalogued procedure?

1 1977

What parameters can be used to limit the number of records written to a sysout dataset?

1 1841

How can the submitting users racf authority be overridden in a job stream?

1265

Differentiate cobol and cobol-ii. (Most of our programs are written in cobolii, so, it is good to know, how, this is different from cobol)?

1117

What guidelines should be followed to write a structured cobol prgm?

1148

What is amode(24), amode(31), rmode(24) and rmode(any) (applicable to only mvsesa enterprise server) ?

1212

What are the bind parameters ibm db2?

1053

what are bind concepts in db2 cobol?

1093

What are foreign keys in db2?

1105

Is it possible to combine uni-rexx with a compiled language in any application? What applications interfaces are there?

929

Un-Answered Questions { IBM MainFrame }

My sql statement select avg(salary) from emp yields inaccurate results. Why?

1095

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

1143

how is the future of tandem mainframe?

3380

Kindly specify the pic clause for the any bll cell type of data fields?

1221

what disp parameter we mention for creation of temporary dataset so that we can use it in later steps?

1225

What are the advantages and disadvantages of a hierarchical database?

1144

How many bytes does a s9(7) sign trailing separate field occupy ?

1127

In case if at some point of time db2 is down, would that impact the pre-compilation process of a db2-cobol program?

1044

Can we use procopt on pcb and segment field (senseg)?

984

How does jcl act on a cobol code?

1184

Differentiate between PCT and FCT.

1180

What is the difference between the mro & isc?

1042

What is the difference between Global and External Variables?

1377

What do you understand by jcl?

1050

how to access data held on the jes spool?

1067

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