Shaadi.com Data Scientist Interview Questions and Answers

1.Basic SQL
2. Python based question
3.Data modelling
4. Spark
5. Cloud based questions

Sql,Python,Data Modeling and Project based questions

Q1. Salary discussion and cultural fit.
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Q2. Basic cultural fit.
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Q1. What experience do you have using SQL?
Ans. 
I have extensive experience using SQL for data analysis and reporting.
• Proficient in writing complex SQL queries

• Experience in data manipulation, aggregation, and filtering

• Familiarity with joins, subqueries, and stored procedures

• Experience in optimizing queries for performance

• Examples: Used SQL to analyze customer behavior and create reports for marketing team, extracted data from multiple tables using joins and subqueri
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Q1. When I initially joined my job right after college there was a point where I was constantly
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Q2. It's a great organisation and I've learner a lot here but it's such a small company that it's difficult to find ways to move up ask yourself what makes you feel passionate or happy when you work😊
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Q3. Opportunity great time interest must
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Group discussion can also provide feedback to instructors on participant comprehension.

Q1. SQL: left join, right join and inner join questions find out the latest entry for an user when they log in to a app Python: few basic questions on python like count the characters in a word. Linux: what co...read more
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Q1. Why data? Why Tokopedia? Talk about bachelor's thesis?
Ans. 
Data analysis is crucial for making informed decisions. Tokopedia's vast data provides a great opportunity for analysis. My bachelor's thesis focused on data-driven insights.
• Data allows for informed decision-making and insights.

• Tokopedia's extensive data provides a valuable opportunity for analysis.

• My bachelor's thesis delved into data-driven insights and analysis.
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Q1. Walkthrough bachelor's thesis
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Q1. All about the past projects. Few basic data visualization concepts like what charts to use, what will be the best fit for a particular scenerio
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Some database questions,some java questions .

Q1. What is the difference between javascript and jQuery.
Ans. 
JavaScript is a programming language used for web development, while jQuery is a library built with JavaScript to simplify HTML document traversal and manipulation.
• JavaScript is a programming language, while jQuery is a library written in JavaScript.

• JavaScript can be used for a wide range of tasks, while jQuery is mainly used for DOM manipulation and event handling.

• JavaScript is a core technology for web development, w...read more
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Q2. Define different types of join
Ans. 
Different types of joins are used in SQL to combine rows from two or more tables based on a related column between them.
• Inner Join: Returns rows when there is at least one match in both tables.

• Left Join (or Left Outer Join): Returns all rows from the left table and the matched rows from the right table.

• Right Join (or Right Outer Join): Returns all rows from the right table and the matched rows from the left table.

• Full ...read more
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Q3. Define multithreading concept and exception handling.
Ans. 
Multithreading allows multiple threads to run concurrently, while exception handling deals with errors in a program.
• Multithreading involves running multiple threads simultaneously to improve performance and responsiveness.

• Threads share the same memory space but have their own program counter and registers.

• Exception handling is a mechanism to handle errors or exceptional situations in a program.

• It helps prevent the prog...read more
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Normal and simple js dsa question regarding strings and arrays.