WebMD Data Analyst Interview Questions and Answers

Basic Apititude Questions

Q1. Difference between WHERE and HAVING??
Ans. 
WHERE is used to filter rows before grouping, HAVING is used to filter groups after grouping.
• WHERE is used with SELECT statement to filter rows based on a condition

• HAVING is used with GROUP BY statement to filter groups based on a condition

• WHERE is applied before data is grouped, HAVING is applied after data is grouped

• Example: SELECT * FROM table WHERE column = 'value'

• Example: SELECT column, COUNT(*) FROM table GROUP B
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Q2. Where- Row Level Filters Having-Aggregate Filters
Ans. 
Row level filters are applied before aggregations, while aggregate filters are applied after aggregations.
• Row level filters are used to filter individual rows of data before any aggregations are performed.

• Aggregate filters are used to filter the aggregated results after the data has been grouped and summarized.

• Row level filters are typically applied using WHERE clause in SQL, while aggregate filters are applied using H...read more
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Q1. Why do you wanna join Uber?
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Q2. Best Company Ever
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GD COMMON TOPIC WAS DISCUSSED

Q1. TELL ABOUT YOURSELF , SKILLSETS YOU BRING TO THE TABLE
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Q1. EXPECTED INCOME , RELOCATION PREFERENCE
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Q1. Strenghts/weaknesses
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Q1. How well do you know excel?
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Q1. Resume based questions
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Q2. General discussion about work
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Q1. All about the past projects. Few basic data visualization concepts like what charts to use, what will be the best fit for a particular scenerio
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Q1. When I initially joined my job right after college there was a point where I was constantly
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Q2. It's a great organisation and I've learner a lot here but it's such a small company that it's difficult to find ways to move up ask yourself what makes you feel passionate or happy when you work😊
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Q3. Opportunity great time interest must
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Group discussion can also provide feedback to instructors on participant comprehension.

Reasoning
Coding
Spit out
General discussion

Algorithm coding
Array sorting
Machine learning
SQL
Python
C#

It was easy consisting of sql and excel questions