Swiss Re Data Analyst Interview Questions and Answers

Basic 10 apti question

Basic 5 python question

Basic 5 SQL question

Q1. They asked two python program.
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Q1. They asked one SQL question
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Q1. Just question based on my resume.
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Q1. Tell me about your self?
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Q2. What is SQL and diffrent joins in SQL?
Ans. 
SQL is a programming language used for managing and manipulating relational databases. Different joins in SQL include inner join, outer join, left join, and right join.
• SQL is a standard programming language for managing and manipulating relational databases.

• Different types of joins in SQL include inner join, outer join, left join, and right join.

• Inner join returns rows when there is at least one match in both tables.

• Ou...read more
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Q3. How to separate portion before @ and after @ from mail using python?
Ans. 
Use Python to separate portion before and after @ in an email address.
• Use the split() method to separate the email address into two parts based on the @ symbol.

• Access the parts using index 0 for the portion before @ and index 1 for the portion after @.

• Example: email = 'example@email.com'; parts = email.split('@'); before = parts[0]; after = parts[1];
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Q4. What is the rank, Dense Rank and Row Number?
Ans. 
Rank, Dense Rank, and Row Number are functions used in SQL to assign a ranking to rows in a result set.
• Rank function assigns a unique rank to each row based on the specified column values.

• Dense Rank function assigns a unique rank to each row without any gaps.

• Row Number function assigns a sequential integer to each row in the result set.
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Q1. Regularizaion, model improvemnts
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Q2. Hyperparameter tuning
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Q1. Tell me about yourself
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Q2. Tell me a time when you had to deal with a failure, how you tackled it
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Q1. Type of sql Joints
Ans. 
SQL Joins are used to combine rows from two or more tables based on a related column between them.
• Types of SQL Joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.

• INNER JOIN returns rows when there is at least one match in both tables.

• LEFT JOIN returns all rows from the left table and the matched rows from the right table.

• RIGHT JOIN returns all rows from the right table and the matched rows from the left tab...read more
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Q2. Write DAX for create data modeling on inactive relationship?
Ans. 
Use DAX to create data modeling on inactive relationship in Power BI.
• Use USERELATIONSHIP function to create an inactive relationship between two tables.

• Specify the relationship between the tables and the columns to be used in the relationship.

• Use CALCULATE function along with USERELATIONSHIP to perform calculations using the inactive relationship.
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Duration - 60 Minutes
Topic - Advance DAX, Joints using DAX, all except all

Q1. Basic Excel function
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Q2. Scenario based questions
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More questions about my experience & reason to join.