Strategic Research Insights Data Analyst Interview Questions and Answers

Q1. What's is work experience.
Ans. 
Work experience refers to the practical knowledge and skills gained from employment in a specific field or industry.
• Work experience includes tasks, responsibilities, and projects completed in a professional setting.

• It can be gained through internships, part-time jobs, full-time positions, or volunteer work.

• Work experience helps individuals develop industry-specific skills, build a professional network, and gain a bette...read more
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Q2. Whats is sql and power bi.
Ans. 
SQL is a programming language used for managing and querying databases. Power BI is a business analytics tool for visualizing and analyzing data.
• SQL stands for Structured Query Language and is used to communicate with databases.

• SQL can be used to retrieve, update, and manipulate data in databases.

• Power BI is a data visualization tool that allows users to create interactive reports and dashboards.

• Power BI can connect to...read more
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Normal Group discussion

Q1. Cosing, project management etc
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Q1. What is coalesce
Ans. 
Coalesce is a function used to return the first non-null value in a list of expressions.
• Coalesce function is commonly used in SQL to handle null values.

• It takes multiple arguments and returns the first non-null value.

• Example: COALESCE(column1, column2, 'default') will return the value of column1 if not null, else column2, and if both are null, it will return 'default'.
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Q2. What is repartition
Ans. 
Repartition is the process of redistributing data across partitions in a distributed system.
• Repartitioning helps in balancing the workload and improving performance in distributed computing environments.

• It involves moving data between partitions based on certain criteria such as key values or hash functions.

• Repartitioning can be done in Spark using operations like repartition() or coalesce().
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Q1. Non repeatable character
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A non repeatable character is a character that appears only once in a given string.
• Iterate through the string and count the frequency of each character

• Identify the characters that have a frequency of 1

• Return the first non repeatable character found
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Q2. Sort list without sort method
Ans. 
Sort list without using sort method
• Create a custom sorting function using loops

• Compare each element with every other element to determine the correct order

• Swap elements based on the comparison results
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About company background

Q1. Same questions asked in any company
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Q2. Tell me something about your self?
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Q3. What will happen if we not hire you?
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Q4. What is your current CTC?
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Q5. What is expected CTC?
Ans. 
Expected CTC should be based on industry standards, experience, skills, and location.
• Research industry standards for Senior Data Analyst roles

• Consider your level of experience and skills

• Take into account the cost of living in the location of the job

• Negotiate based on the value you bring to the company

• Provide a range rather than a specific number
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Q1. Tableau difference between blend &join
Ans. 
Blend combines data from different data sources in a single view, while join combines data from the same data source.
• Blend is used when data comes from different data sources, join is used when data comes from the same data source

• Blend creates a relationship between data sources without actually merging the data, join merges the data based on a common field

• Blend can be used to combine data from different databases like...read more
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Q1. SQL-related questions working of self join and what will be used in case of 2nd max
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Q1. SQL questions such as case statement, joins and advanced sql question.
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Q2. PLSQL, tableau basic to advanced question
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Q1. Bureau operations,credit data
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Q2. Career goals and future plans
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Q1. Only two rounds were there
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Q2. Na rounds happened after two rounds
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Normal Group discussion

Q1. Cosing, project management etc
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Q1. Basic details as to why looking for a change
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Q1. Intermediate questions for tableau, SQL
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Q1. Managerial interview
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Q1. Salary negotiation
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