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Mainframe developer Interview Questions

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NatWest Group
Mainframe Developer was asked...13 April 2016

In mainframe interview, they ask a lot of questions about DB2 and related to optimization.

2 Answers

DB2 is a database product from IBM. It is a Relational Database Management System (RDBMS). DB2 is designed to store, analyze and retrieve the data efficiently. DB2 product is extended with the support of Object-Oriented features and non-relational structures with XML. Less

DB2® is the database of choice for enterprise-wide solutions. Optimized to deliver industry-leading performance while lowering costs, IBM DB2 offers extreme performance, flexibility, scalability and reliability for any size organization. ... IBM DB2 offers extreme performance ... Less

UBS

did i cleared written test.

2 Answers

no

What was the passing marks for this written test ?

Legato Health Technologies

Project related questions

2 Answers

Described my project

Waste company.tr conduct interview good.But HR to bad.asking unwanted questions and time waste the people.please remove the HR Less

J.P. Morgan

How would you bypass change management processes to dynamically change OS JCL streams?

2 Answers

You would need to establish a baseline set of JCL procedures and identify the parameters which could change depending on the run time requirements. The domain values for all variables would need to be stored in DB2 table or a VSAM indexed file and a Stored Procedure or REXX script would need to determine what variables were required for a particular run and obtain them from the VSAM or DB2 datastore. These parameters would need to overlaid onto the templatge JCL and the resulting JCL stream would need to be submitted via the internal reader. The feasibility of this would depend on the scheduling software in use on the mainframe LPAR. Less

This may be too simple of an answer, but I would have answered the question by saying I would do this as a global change. Less

Time Inc. India

All scenario based questions.

1 Answers

Answered all

Patni Computer Systems

All are very simple

1 Answers

as usual

Experis India

When do you use a LIKE statement?

1 Answers

For example if you want to search employee by name, you need not specify the complete name instead of that we can use LIKE, you can search for partial string matches. Less

HCL Technologies

What needs to be done if job abends with S0C7 while processing a million records

1 Answers

Please check the offset number... compile the program...go to sysut of it... search for F hexloc...then you will get the desire range where problem may get abended... Less

J.P. Morgan

DevOps

1 Answers

Manager was telling Devops plenty of times. She was not that confident. Not sure how far they are successful in using devops. Less

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