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

registers(0-15) ,where they are going be resides., does that mean here is it resides whether real or virtual memory? and why? then why we are assign even registers(0 to 6) for FP operations????

3 7284

How can i check the object existance in RPG program without using QCMDEXC command.

IBM, JDA,

7 33456

I have to run a select query on DB2 table and show its data on CICS map. Please tell me.

2 7090

how to allocate a dynamic dataset in jcl ?

Patni, TCS,

3 16915

how to display comp3 variables reply soon ?

Patni,

4 11591

is it mandatory to give data division before procedure division ? wht happens if i give procedure division first thn data division ? reply soon

Patni,

2 8291

Can multiple CICS regions exist under one O/S?

2 5972

i have a base gdg consisting of 12 versions like jan to dec. i need to concatante this gdg to another gdg which have version 1 or to the base gdg itself can anyone give me the code pls ?

IBM,

4 9493

i have a file which contains duplicates ? my requirement is to eliminate duplicates and these elminated duplicates should be moved to another file can any code this using sort ?

IBM,

3 8639

u have passed sme charecters thru parm parameter in jcl. how do u code in cobol to recieve the values u gave in parm ?

IBM,

2 7317

wht happens if we close cursor with cursor with hold option?

Valtech,

3 12412

how can u view a vsam file using file-aid

CSC, IBM,

5 28142

can u explain gdg with example wht happens if we give limit,empty,noempty,scartch and no scartch

IBM,

1 13915

Can we write same stepname for one or more steps in on job ?

2 13582

How to Pass table from a cobol program to another cobol program and how to use that table in called program

Patni, SunGard,

8 22442

Un-Answered Questions { MainFrame }

what is the difference between call and ++call?

1457

what is the difference between sflclr and sflinz?

1778

What kind of database is db2?

1039

What is the quality process in development?

1092

Explain the input procedure and output procedure?

920

A table has two indexes defined. Which one will be used by the SEARCH?

1286

How do you run a COBOL batch program from a JCL? How do you run a COBOL/DB2 program?

1264

How can a like table be created?

992

Why is it required to have a keyed directed retrieval?

1026

Explain the function of job statement in jcl?

1214

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

1009

What is the physical storage length of time data type?

1134

what is meant by s0c-07 system abend codes?

1088

What is a set? How may sets be ordered?

842

what operation is performed by job statement?

1132

For More Un-Answered { MainFrame } Questions Click Here