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

Explain control variable in online screens?

1004

Explain how to receive data passed through jcl parm parameter in a natural program? How data definition is defined in the program?

1130

Explain the data storage?

1002

What is the difference between read(1) and read work file once?

1040

Explain how to move cursor to a particular field when position is not known?

1002

Define cobol coding sheet?

1012

How to receive data passed through jcl parm parameter in a natural program?

972

Explain how are you going to remove duplicates from the file that is being read?

1008

What is the difference between escape(top or bottom) and escape immediate(top or bottom?

1028

How can we see the copy book length using file-aid?

957

What are the sub parameters for undo command?

1087

What is the structure and definition for the same?

1008

What are the parameter we cannot use in procedure? How many instream we can write in single jcl?

1076

Can we call instream to catalog and catalog to instream?

1145

What are the parameter we cannot use in procedure?

1133

Un-Answered Questions { MainFrame }

What is the difference between a schema and a subschema?

1911

Can a Search can be done on a table with or without Index?

1289

what is s000 u4087 error? please give the all error codes in cobol,jcl.

17880

How to define data area in RPG program? In which scenario multi occurrence DS is use in AS400?

2012

Which division and paragraphs are mandatory for a COBOL program?

1277

How do you get the data to code the BMS macro?

1971

What is distributed relational database architecture? And components?

1000

How do you find the maximum value in a column in db2?

1106

What is an ims database?

1146

What is the difference between dbm cfg and db cfg file in db2 ?

1536

Explain the maximum of key fields and search fields allowed in a segment?

3212

what is the use of data structures?

1136

Explain sorting techniques in cobol program? Provide the sort file definition, the sort statement, its syntax and meaning

1094

What is db2 purescale?

1004

How can we arrange duplicate records in a file?

1087

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