Tech Mahindra Data Analyst Interview Questions and Answers for Freshers

Q1. SQL normal question and cloud question
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Q2. No of employee with age more that 50
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Q3. Difference between adsl and blob storage
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ADSL is a type of internet connection technology, while Blob storage is a type of cloud storage service.
• ADSL (Asymmetric Digital Subscriber Line) is a type of broadband connection that uses existing telephone lines to transmit data.

• Blob storage is a type of cloud storage service provided by platforms like Azure, AWS, and Google Cloud.

• ADSL typically has slower upload speeds compared to download speeds, while Blob storag...read more
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Q1. Normal sql question and cloud question
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Q1. Salary expectation
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Q1. Difference between Power BI Tableau, advantages and limitations of both
Ans. 
Power BI and Tableau are both popular data visualization tools, each with its own advantages and limitations.
• Power BI is more user-friendly and integrates well with Microsoft products, while Tableau offers more advanced visualization options.

• Power BI is better suited for business users who are already using Microsoft products, while Tableau is preferred by data analysts and data scientists.

• Power BI is more cost-effecti...read more
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Q2. What is RLS in Power BI
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RLS in Power BI stands for Row-Level Security, which allows users to restrict access to certain rows of data based on their role or permissions.
• RLS helps in controlling access to data at the row level

• It allows users to define security roles and rules to restrict data access

• Users can create filters based on roles to limit data visibility

• For example, a manager can only see data related to their department using RLS
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Q3. How do you share the report with users
Ans. 
I share reports with users through email, online portals, presentations, and interactive dashboards.
• Send reports via email attachments

• Upload reports to online portals for easy access

• Present findings in meetings or webinars

• Create interactive dashboards for users to explore data

• Provide access to reports through secure data sharing platforms
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Q4. How do you optimize the report when working with large datasets
Ans. 
Optimizing reports with large datasets involves using efficient data processing techniques and visualization tools.
• Use data aggregation to summarize large datasets

• Utilize indexing and proper data structures for faster retrieval

• Implement parallel processing or distributed computing for quicker analysis

• Leverage data visualization tools like Tableau or Power BI for easier interpretation

• Consider using sampling techniques t
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I can solve mathmatical question

Q1. Related a power bi and sql server
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Q2. Related A Power apps
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Q3. Excel related questions
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Q4. Power point related
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Q5. Ms word related
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There question on logical reasoning and puzzles

Q1. About basic programming and academic project
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Q2. About academic project, basic programming question like swapping two numbers
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What is your name. Which company you have working

Q1. Sir I request to you select this job to me
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Q2. Which company you have doing work
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Q3. H c l company.I have working job
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Q4. Which salary gave you
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Q5. How many days working there
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Q1. About Wipro company in global and the which type of process are carried out for the freshers in company
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Q2. Which type of work can do in company ?
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Q3. Where the head quarter of company
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