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 why do we use file-aid for seqential files?

1039

How to find occurrence of mu and pe fields in a file?

862

What is cobol coding sheet?

1168

Explain is it possible to code goto statement in natural? If yes please provide the syntax of the same?

933

Suppose you are processing an input file in a natural program and you want the program to fail if the file is empty. What command you use in natural to force it to fail?

1014

Explain difference between escape(top or bottom) and escape immediate(top or bottom?

1112

Explain how to ftp the natural program to desktop? (From mainframe to pc), is it possible?

1008

Tell me what type of files we can process thru file-aid?

902

What is a hyperdescriptor?

912

Explain how many work file we can code in jcl?

944

What is the difference between read work file 1 and read work file once? Why we are using work file once?

940

Explain the address converter?

985

Explain the like inverted list?

924

Explain what happens when you issue a escape routine in a program? Will there be any compilation /run time erro?

935

Explain how to find occurrence of mu and pe fields in a file?

894

Un-Answered Questions { MainFrame }

How are composite and multiple indexes different?

968

What are the common vsam error conditions and codes?

1059

Why do we code s9 (4) comp. Inspite of knowing comp-3 will occupy less space?

1131

a dd statement has 2 types of parameters. Name them?

1110

what is the use of sflnxtchg?

1230

How many minimum number of line codes does PL/1 DB2 program requires?

2948

what does defn do?

1042

What is control interval?

1027

What is database manager in db2?

989

What are the uses of commit and finish?

856

What are the cics commands associated with task control?

965

What is the primary aspect of CICS?

1078

how do you know that records are locked?

1902

What is meant by deadlock in db2?

1199

How do you eliminate the duplicates?

892

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