_VOIS Data Analyst Interview Questions and Answers

Create the table for consolidated.sql and enter the records as specified in it.

Close attention to what other's are saying.This shows respect for their opinions and allows you to build on or respond to their points.

Q1. Start with a clear concise introduction.Briefly mention you name and the purpose of the discussion. this sets the tone and provides context
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Q2. If there's anything you're unsure about or if you need clarification, don't hesitate to ask it shows that you are engaged and interested in the conversation
Ans. 
Asking for clarification shows engagement and interest in the conversation.
• Asking for clarification demonstrates active listening and a desire to fully understand the topic.

• It can also help clarify any misunderstandings or uncertainties, leading to more productive discussions.

• Examples: 'Could you please explain that concept in more detail?' or 'I'm not sure I understand, could you provide an example?'
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Q3. If you were faced with a specific challenge what steps would you take to address it
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Q4. How have your previous roles prepare you for this position
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Q1. Self introduced and my skills knowledge
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Q2. My name name is Aasif and I have done my graduation b.com. I have good knowledge English and Hindi in oral and writing. I have done excel, ms word, PowerPoint Data entry.
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Q1. Study and skills
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Q2. Like my work speciality’s
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Q3. Study speciality’s
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Tableau interview questions

Q1. Analytics related questions
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Q2. Linear regression
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Q1. Write a query to GETDATE
Ans. 
Query to retrieve the current date and time in SQL Server
• Use the GETDATE() function in SQL Server to retrieve the current date and time

• Example: SELECT GETDATE() AS CurrentDateTime;
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Q2. Write a python code
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Python code to calculate the sum of all elements in a list
• Use the sum() function to calculate the sum of all elements in a list

• Ensure the list contains only numeric values for accurate calculation
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Q1. What is your expected salary
Ans. 
My expected salary is based on my experience, skills, and the industry standard for Data Analyst roles.
• Consider my years of experience in data analysis

• Research industry standards for Data Analyst salaries

• Factor in my skills and qualifications relevant to the role

• Be open to negotiation based on the overall compensation package
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Q1. What are the different kinds of joins
Ans. 
Different kinds of joins include inner join, outer join, left join, and right join.
• Inner join: Returns only the rows that have matching values in both tables.

• Outer join: Returns all rows when there is a match in one of the 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 table.
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Q2. What is the difference between columns and measures in power BI
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Columns are the fields in a dataset, while measures are calculations based on those fields in Power BI.
• Columns are the raw data fields in a dataset, such as 'Sales Amount' or 'Product Category'.

• Measures are calculations performed on columns, like sum, average, count, etc.

• Measures are created using DAX (Data Analysis Expressions) in Power BI.

• Columns are used for grouping, filtering, and slicing data, while measures are
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Q3. How can you remove duplicates in sql
Ans. 
Use the DISTINCT keyword in a SELECT statement to remove duplicates in SQL.
• Use the DISTINCT keyword in a SELECT statement to retrieve unique values.

• Example: SELECT DISTINCT column_name FROM table_name;

• Another way is to use the GROUP BY clause to remove duplicates.

• Example: SELECT column_name FROM table_name GROUP BY column_name;
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Q1. Basic question sql
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Q1. Salary discussion round
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