ABC Techno Labs Pharmacist/Chemist/BIO Chemist Interview Questions and Answers

Focus on little bit of dynamic programming

Q1. Apache spark architecture and ecosystem along with memory management
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Q2. SQL queries for manager salary
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Q3. Python decorators --> @
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Q4. RANK and other window functions
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Q5. Joins along with use case
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Joins are used in SQL to combine rows from two or more tables based on a related column between them.
• Joins are used to retrieve data from multiple tables based on a related column

• Common types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN

• Use cases for joins include combining customer data with order data, merging employee information with department details
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