Nielsen Intern Interview Questions and Answers

The questions were related to finance questions and some are from exel related . So read the question carefully and attempt your best.

Q1. The interview was basic fiance questions
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Q1. OOPs concepts, SQL queries, Puzzles
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THE TEST DURATION IS ABOUT 30 MIN 30 QUESTIONS.QUESTIONS WERE FROM C++,PROBABILITY ETC,,

Q1. ASKED ABOUT DBMS AND OOPS CONCEPT
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Q2. DIFFERENCE BETWEEN FOREIGN KEY AND PRIMARY KEY
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Primary key uniquely identifies a record in a table, while foreign key establishes a relationship between two tables.
• Primary key is unique and cannot have null values

• Foreign key references the primary key of another table

• Primary key can be only one per table, while foreign key can be multiple

• Example: Primary key in 'Students' table could be 'student_id', while foreign key in 'Courses' table could be 'student_id' refere
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Q1. Basic concept of c#,.net framework
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Q2. What is CFA and DFA in entity framework core
Ans. 
CFA and DFA are Change-Tracking and Database-First Approaches in Entity Framework Core.
• CFA (Change-Tracking Approach) is used to track changes made to entities in memory and then save them to the database.

• DFA (Database-First Approach) is used to generate entity classes and DbContext from an existing database schema.

• CFA is useful when working with disconnected entities, while DFA is useful when working with an existing ...read more
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Q1. Basic questions
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Q1. OOPS concepts, function overload, override,interface,string, string builder
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Q1. Company profile,salary discussion
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Hackerrank test in Java and Angular

Q1. Spring Hibernate related questions
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Q2. DS coding question on DP
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It have some aptitude question and 2 coding question

Q1. Basic hr question asked like salary and all
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