TransUnion Consultant Interview Questions and Answers

There were 3 rounds for data science consultant position at Equifax. 1st round consists of Python and SQL questions and also in this round they have tested analytical thinking as well.

In 2nd round they have asked me questions from my resume and asked me to explain the projects which I have worked on in previous company. In this round they have asked me pandas related questions and asked me write code.

Q1. In Managerial round again here I have been asked questions related my projects. and no coding round in this stage.
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Q1. What is Tuples? How do you convert a string to a tuple?
Ans. 
Tuples are immutable sequences of elements. A string can be converted to a tuple using the tuple() function.
• Tuples are similar to lists but are immutable

• Elements of a tuple are enclosed in parentheses ()

• A string can be converted to a tuple using the tuple() function

• Each character in the string becomes an element in the tuple
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Q2. What is Left Join? Show one Left join for 2 data frames on Python
Ans. 
Left join is a type of join operation in SQL that returns all the rows from the left table and matching rows from the right table.
• Left join is performed using the 'left join' keyword in SQL

• In Python, left join can be performed using the 'merge' function from the pandas library

• Syntax: pd.merge(left_dataframe, right_dataframe, how='left', on='key_column')

• Example: pd.merge(df1, df2, how='left', on='id')
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Q1. SDLC process and how it is implemented in project
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Q2. About projects, it's Objective, the role I have worked, output
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Q3. Data structure, DBMS concepts
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Q1. Sql plsql and oracle
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Q1. Sql plsql and oracle
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Q2. Spa plsql and oracle
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Q1. Self introduction
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Q2. What is Bajaj Allianz
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Q1. What do you know about insurance
Ans. 
Insurance is a financial product that provides protection against specific risks in exchange for payment of a premium.
• Insurance is a contract between an individual or entity and an insurance company.

• The individual or entity pays a premium to the insurance company in exchange for coverage against specific risks.

• Types of insurance include health insurance, life insurance, auto insurance, and property insurance.

• Insurance ...read more
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Q1. What do you like about HDFCergo
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Q1. Tele me something about yourself
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Q2. What is insurance
Ans. 
Insurance is a financial protection against potential losses or risks.
• Insurance is a contract between an individual or entity and an insurance company.

• The individual or entity pays a premium in exchange for coverage against specific risks.

• In case of a covered loss, the insurance company compensates the policyholder.

• Types of insurance include health, life, auto, home, and business insurance.

• Insurance helps individuals a...read more
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Q1. Self intro, Excel based questions etc
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