Dssi Solutions Data Analyst Interview Questions and Answers

Q1. Difference between Primary Key and Unique Key ?
Ans. 
Primary key uniquely identifies each record in a table, while Unique key allows only unique values but can have null values.
• Primary key enforces uniqueness and not null constraint on a column

• Primary key can consist of multiple columns

• Unique key allows only unique values but can have null values

• Unique key can be applied to multiple columns as well
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Common logical and reasoning questions and also has a pseudocode

Q1. Gamified round with time limits and essay writing for the given picture
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Q1. Asked about whatever you put in the resume and mainly focus on aptitude
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First round is gaming round with 13 levels
And the aptitude with science, technical and non technical questions

Q1. General questions were asked Tell me about yourself And then technical he round with puzzles and aptitude to solve
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Q2. Long term and short term goals
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Q3. Strength and weakness
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Q4. Puzzles and aptitude questions
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Well designed to test the aptitude competence of the candidate.

Q1. Explanations for the answers given to the aptitude questions.
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Q2. Questions from python.
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Logical and aptitude test, game round

Q1. SQL Questions on Aggregations
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The sql questions were hard

Q1. SQL and excel questions intermediate
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