Epsilon Production Support Software Engineer Interview Questions and Answers

Q1. Python, sql, etl, cloud, web tool
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Q1. Functional question and write some sql basic query
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Q1. Basic question on project
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Q1. Salary negotiation and check behaviour qiestion
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Q1. Explain oops concepts, difference b/w abstraction and interface,MVC architecture,stored procedure,joins
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OOPs concepts, abstraction vs interface, MVC architecture, stored procedures, joins
• OOPs concepts include inheritance, polymorphism, encapsulation, and abstraction

• Abstraction is hiding the implementation details while interface is a contract that defines the methods that a class must implement

• MVC architecture separates the application into Model, View, and Controller components for better organization and maintenance

• Sto...read more
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SQL queries, ddl,dml TCL commands, primary key and foreign key differences,what is composite key,hash table in c#,generics in c#.

Q1. Salary discussion,
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Q1. Pivot columns in sql
Ans. 
Pivoting columns in SQL involves transforming rows into columns to display data in a different format.
• Use the PIVOT keyword in SQL to pivot columns

• Specify the columns to pivot on and the values to display in the new columns

• Aggregate functions like SUM, AVG, COUNT can be used with PIVOT

• Example: SELECT * FROM table_name PIVOT (SUM(value_column) FOR pivot_column IN ('value1', 'value2', 'value3'))
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Q2. Slow changing dimensions
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Q3. Dynamic rankx top 3
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Q4. Field parameters
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Q5. Stored procedures
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It consited of apti as well as coding questions

Q1. Basic questions of coding were asked like arrays,strings
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Q1. They are asking technical questions what is their in the resume
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Q1. They will technical questions as per your resume what you mentioned
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40/50marks

They ask fibanocci series , basic c programs

Discuss about general topic

Write a essay on your own life

Q1. Css HTML tags,sql,angul
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Q2. Angular js dot net developer
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Q3. Web configuration , CTS
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Q1. Salery discussion and expecting ctc
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Q2. Will you think are you okay
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Q1. C# oops polymorphism extension methods
Ans. 
Polymorphism is a key feature of OOP in C#. Extension methods allow adding new functionality to existing types.
• Polymorphism allows objects of different classes to be treated as if they are of the same type.

• Extension methods are static methods that can be called as if they were instance methods of the extended type.

• Polymorphism and extension methods can be used together to add new behavior to existing types without modi
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Q2. Angular javascript vs typescript services components
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Angular is a framework for building web applications using TypeScript, which is a superset of JavaScript.
• Angular provides a structure for building web applications using components, services, and modules.

• TypeScript is a statically typed language that provides better tooling and error checking than JavaScript.

• Services in Angular are used for sharing data and functionality across components.

• Components in Angular are the ...read more
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