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 do you mean by the cobol record key clause in vsam?

IBM,

1072

explain how many ways you can load data in a vsam cluster?

IBM,

1098

what is the meaning of dynamic processing in vsam?

IBM,

1113

what do you mean by a vsam split?

IBM,

1153

what are the codes returned by the ams (access method services) command during the execution in vsam?

IBM,

1354

is it required that primary key values have to be unique? Do alternate key values have to be unique?

IBM,

1104

what do you mean by a upgrade set in vsam?

IBM,

1130

explain how do you define a gdg in vsam?

IBM,

1090

explain how can you initialize a vsam file before any operation?

IBM,

1154

what do you mean by gdg in vsam?

IBM,

1259

what are the additional information you should give in the dd statement while defining the next generation of a gdg?

IBM,

1050

name the utility program closely associated with vsam?

IBM,

1107

what do you mean by idcams? Explain its purpose?

IBM,

1026

is delete operation supported in an esds? Is rewrite operation possible in esds?

IBM,

1161

what will happen when you try to open an empty vsam file in a cobol program for input?

IBM,

1093

Un-Answered Questions { MainFrame }

How is record management performed in vsam?

1224

List out the three types of page locks that can be held.

1202

What is the difference between hidam and hdam databases?

1020

How to override loadlib?

2123

Can you explain cics transaction gateway?

1126

what is the rpg system?

1337

how to get the last record in vsam file in cluster? And how can u get the ksds file records into ur cobol program?

1025

what is the difference between do while and do until?

1309

which utility is used to sort a file in jcl?

1283

What is a trigger in the db2 database?

1149

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2870

what is the cics command used to access current date and time?

1235

Explain the difference between intra partition tdq and extra partition tdq?

1050

how to pass parms to ispf edit macro?

1172

How to handle duplicate error handling in RPG?

2357

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