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 are dds required for subfile?

IBM,

1041

the maximum number of subfiles that can defined in a rpg program for one display file is ___ .

IBM,

1 3288

How to avoid using indicators in ile ?

IBM,

1276

records can be read/update/deleted with which file?

IBM,

1079

if we tried to move year part of *iso date into a field of length 3, what will happen ?

IBM,

1291

how will you search an array?

IBM,

1088

what are the different commands used in rlu ?

IBM,

1 2409

what are all the contents of subfile?

IBM,

1 1693

if dspatr(pc) and csrloc were specified for a format, which keyword would have priority?

IBM,

1 1678

what are the different methods to access seu?

IBM,

1098

how to pick up the changed records every time in a subfile after the first change made ?

IBM,

1 1814

the maximum number of subfiles that can be active for a single file is ____ .

IBM,

1 1862

how to define to define a hidden filed in dspf ?

IBM,

1334

what are different types of substems?

IBM,

1 2260

what are different record spacing keywords in rlu ?

IBM,

1 1933

Un-Answered Questions { MainFrame }

Write the difference between hidam and hdam databases?

1005

before altering a table is it necessary to lock ? if lock what is it ? how to do ? ifi want to lock a table what is that command ?

2178

Why would you use find and get rather than to obtain?

1187

How many maximum record format a logical file have?

986

Explain the data storage?

995

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

1121

can we describe the results of opening for input empty vsam files in a cobol program?

1013

how can you execute a command from within an rpg program without calling a clp program?

2006

what does the ovrdbf command do?

1115

what is the most common way of building queue-id of a tsq?

1085

What is the function of dbctl?

1119

What is the quality process in development?

1085

How do you access an uncatalogued dataset in a jcl?

1216

Is it possible to port existing applications from the mainframe or os/2? Are there major changes required to do this?

905

what is the purpose of the verify function of idcams?

1054

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