SquadStack Data Analyst Intern Interview Questions and Answers

Basic aptitude questions, statics, probability etc

Q1. Where do you live in the USA
Ans. 
I live in New York City, the bustling metropolis known for its iconic landmarks and diverse culture.
• I reside in the heart of Manhattan, surrounded by towering skyscrapers.

• New York City is home to famous attractions like Times Square, Central Park, and the Statue of Liberty.

• The city offers a vibrant arts and entertainment scene, with Broadway shows and world-class museums.

• I enjoy exploring the diverse neighborhoods and ...read more
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Q2. Where do you see yourself in 5 years
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In 5 years, I see myself as a senior data analyst leading a team, utilizing advanced analytics to drive strategic decision-making.
• Leading a team of data analysts

• Utilizing advanced analytics techniques

• Driving strategic decision-making

• Continuously learning and staying updated with the latest trends in data analysis
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Q1. Difference between Primary Key and Unique Key ?
Ans. 
Primary key uniquely identifies each record in a table, while Unique key allows only unique values but can have null values.
• Primary key enforces uniqueness and not null constraint on a column

• Primary key can consist of multiple columns

• Unique key allows only unique values but can have null values

• Unique key can be applied to multiple columns as well
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Q1. SQL Questions on Aggregations
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The first round was a combination of MCQs and SQL Coding test. It consisted of 23 MCQs on SQL, 10 MCQs on Power BI and 5 SQL Coding questions.

Q1. Simple questions on SQL were asked.
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Q1. What is pivot table in Excel?
Ans. 
A pivot table in Excel is a data summarization tool that allows you to reorganize and summarize selected columns and rows of data.
• Pivot tables allow you to analyze and summarize large amounts of data in a spreadsheet.

• You can easily rearrange the layout of the data to view it from different perspectives.

• Pivot tables can perform functions like sum, average, count, and more on the data.

• They are useful for creating reports...read more
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Q2. What is 'Data Validation' in Excel?
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Data Validation in Excel ensures that data entered in a cell meets certain criteria or conditions.
• Data Validation allows you to set rules for what can be entered in a cell, such as a range of values, a list of items, or a custom formula.

• Examples of Data Validation include setting a drop-down list of options for a cell, restricting input to a certain number range, or ensuring dates are entered in a specific format.

• Data ...read more
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Q3. What is the order of execution of an SQL query?
Ans. 
The order of execution of an SQL query involves multiple steps to retrieve data from a database.
• 1. Parsing: The SQL query is first parsed to check for syntax errors.

• 2. Optimization: The query optimizer creates an execution plan to determine the most efficient way to retrieve data.

• 3. Compilation: The optimized query is compiled into an executable form.

• 4. Execution: The compiled query is executed by the database engine t...read more
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Q4. What is the difference between Tree Map and Heatmap in Tableau?
Ans. 
Tree Map visualizes hierarchical data using nested rectangles, while Heatmap displays data values using color gradients.
• Tree Map displays data hierarchically with nested rectangles, where the size and color represent different measures.

• Heatmap visualizes data values using color gradients, with darker colors indicating higher values.

• Tree Map is useful for showing hierarchical data structures, while Heatmap is effective ...read more
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Q5. What is the difference between 'Extract Data' and 'Live Connection' in Tableau?
Ans. 
Extract Data saves a snapshot of data in Tableau workbook, while Live Connection directly connects to data source.
• Extract Data creates a static copy of data in Tableau workbook, while Live Connection directly queries data source in real-time.

• Extract Data is useful for working offline or with small datasets, while Live Connection is ideal for large datasets or when data is frequently updated.

• Extract Data can improve per...read more
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Q1. Basic questions for finance
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Q2. If you know everything from JD
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Q1. Market capitalisation
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Q2. Different type of swaps
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Different types of swaps include interest rate swaps, currency swaps, and credit default swaps.
• Interest rate swaps involve exchanging fixed and floating interest rate payments.

• Currency swaps involve exchanging principal and interest payments in different currencies.

• Credit default swaps involve transferring the credit risk of a specific asset or entity.

• Other types of swaps include equity swaps, commodity swaps, and tota
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Pretty standard GD on topics around working remotely and country's macroeconomic

Q1. Derivative Knowledge Check
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Q2. Alternate Investment Knowledge Check
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Q1. Scenario Based and financial instrument level
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Q2. Deep dive into derivative and alternative investment
Ans. 
Derivative and alternative investments involve complex financial instruments and strategies beyond traditional stocks and bonds.
• Derivatives are financial contracts whose value is derived from an underlying asset, index, or rate. Examples include options, futures, and swaps.

• Alternative investments are non-traditional assets such as private equity, hedge funds, real estate, and commodities.

• Both derivative and alternative...read more
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Q1. General HR Question
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Q2. Strength and Weakness
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The sql questions were hard