In 10mins, write four SQL based solutions using a small dataset given.
Intelligence Research Specialist Interview Questions
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Tell me about a time when you faced a technical challenge.
prepare SQL(Where,Having,orderby,groupby,joins) perfectly. I am not good at SQL .
i was asked about my experience as analyst
1 Phyton question about lists
How to simplify a complex pipeline?
What is DDL, DML, DCL?
SQL question but pretty basic.
Tell me about a time you solved a problem starting from the customer
1. Leadership Principles (Behavioral) i. Describe a time when you had to dive deep to come up with a solution. – Follow-up questions included: Why did you choose that approach? What alternatives did you consider? What was the outcome? 2. Data Visualization i. You’re given a table with 3 columns. How would you visualize it? – What types of visualizations would you use and why? – What would go on the X and Y axes? – What filters would you apply? ii. Now, a fourth column is added to the table. How would your visualization strategy change? iii. Instead of using size for one of the variables in your viz, what if we used different symbols or shapes? Would that be better? Why or why not? iv. Given a sample visualization (image-based question), do you think it’s effective? – Do you notice any errors or misleading design choices? – Would you start the X-axis at 200 instead of 0? Why or why not? 3. SQL i. Write a query to return the top 10 and bottom 10 records based on certain conditions. – This involved CTEs, joins, RANK(), and handling NULLs. ii. Calculate year-over-year churn rate and attrition.
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