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 is meant by record lock.how records are locked.what is the purpose of record lock.if records are locked what happens.how to find out which record is locked.

HCL,

4 14652

how can we find setll setgt chain read reade readp operations are successfull or not,give example.explain in detail.

iSoft, Wipro,

4 15117

what procedure should we use to find whether the following operations are successful or not setll setgt chain read reade readp pls tell with example i'm not lazy to read the manual or not lazy to do anything.but sometimes i cannot understand the things given in manual in high level english its little bit complicated for me,i can't understand their way of writing thats why i ask these questions here and find the solution in simple words that i can understand thats the real reason sir.sorry if i had hurt you or disturbed you.please understand my situation.

iGate,

5 8486

thanks mr.Harshad R Suryawaunshi,i'm new to as400 i think you are telling in rpgile i know only rpg400 if possible can you tell in rpg400

iGate,

2316

What is data trace system 2.0 used for?

5647

how many members can be created inside a single pds?

8 47893

When we create a physical dataset we specify dcb parameter block size.What is the use of Blocking?

4 7968

How to retrieve a physical file after deleting that ? what is keyword used for that....??

6 20442

In a proc i will concatinate 4 dd statements.i want to overide 3 dd statement through jcl how?

3 7746

We are using 2 files , file one has data, file two is empty.Using jcl how can we find the other file is empty?

CSC, IBM,

9 23694

How to execute step2,step1, step3 if step1,2,3 are in order

CSC,

8 14212

i have a string of 80 chars i want to replace 4th char with "a"?

CSC,

3 9661

how can you copy records present in a flat physical file to a database file(physical file).please explain in rpg400 with a simple example

CTS,

1 5602

Whether a module can consists of many procedures or it can consist of subprocedures having a main procedure?If it is possible that it can contain many individual procedures than can we have different name for complete module and how do we call this module in main modul?

Steria,

3 8499

How to initialize 20,000 bytes in the Assembler..

Amdocs, IBM,

5 18015

Un-Answered Questions { MainFrame }

WHAT is STORED PROCEDURE CONCEPT IN AS400 WITH EXAMPLE?

2527

how to handle -911 (deadlock) error in a db2 program so that the program will never abend?

1035

What is a system catalog table in db2?

1187

What is the usage of comp fields in cobol?

1188

How do I add a column to a table in db2?

1104

In sms datasets, what is the function of the dd mgmtclas keyword?

1387

accept ws-date from date will return the current date?

1019

List out all the tables that are a part of cics ?

965

Explain the function of a dd statement?

1212

Define communication area?

997

without jcl how to run the batch programs

2536

What is database alias db2?

1130

How can we update a specific field in RPG?

1363

Are you comfortable in cobol or jcl?

1050

Explain the difference between section, paragraph and sentences?

983

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