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

How can we read a particular record from the database file which is not having DDS (Flat File). For example, there are 100 records in the flat file. How can we retrive 15th record in RPG/400 program (Without using CL)

CTS, IBM,

6 22851

Can there be 2 job statements in a JCL? If yes what is the purpose of doing tha?

3 9276

can any one pls tell me some differences between a LF and command OPNQRYF?

Accenture, Cognizant, eFunds,

3 12752

Can we use OVRDBF command without using of OPNQRYF ? Or can we use OPNQRYF command without using of OVRDBF command ?

HCL, iGate,

4 33548

Which is better LF or OPNQRYF ? When should we use LF and when should we use OPNQRYF ?

HCL,

5 17551

with out sorting how to copy records from one file to another file using jcl.Mean I have one input file in which the record are like 1,6,5,4,2,3(for example) and i want to copy to output file from top to bottom(without sorting) like 3,2,4,5,6,1.so I want the JCL for this.cna any one can answers?

TCS,

1 17195

What exactly is a hyperdescriptor? How does it work?

3 13034

What does it mean when EIBCALEN is equal to 1 and other values?

5 21013

what r the types of job control statements?

2 6469

what is the meaning of keyword in jcl?what is is opposite?

4 8626

describe the job statement, its meaning,syntax and significant keywords?

1 4867

describe the exec statement,its meaning ,syntax and keywords?

3 7883

describe the dd statement,its meaning,syntax and keywords?

1 4244

what is the restart?hopw it is invoked?

1 5149

explain concatinating datasets?

1 4995

Un-Answered Questions { MainFrame }

What is the function of logging in the db2 database?

1175

What are different data types in cobol?

1393

Can we move alphanumeric incentive to the numeric field?

1127

I have a job called careerride and some steps in it as step1,step2. But I want to execute step2 before step1 ? How do I do that?

1476

what is the use of data structures?

1186

which are the query selection criteria, which can be given in a query?

1221

what are the idcams commands that can be used for vsam and explain each of them.

1061

what is the difference between JES3 and JES2?

1200

What is explain in db2?

1080

What is the primary aspect of CICS?

1189

How do I import data from excel to db2?

1133

Mention the content that is present inside a PPT ?

1040

What is psbgen process?

1213

What are the types of important programs that are used in the cics?

1088

which transient data queue support ati?

1193

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