Learn SQL: Primary Key
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Abhisek Sahu on Instagram: "25 Must Know Data Analyst Interview Questions to Crack Any Interview! 👉 Caption too short for all 25 questions! 😅 Comment ‘25’ & follow I’ll share the complete questions + answers doc in DM 🤝🙌 1. What is the difference between Primary Key and Foreign Key? (SQL Basics) 2. Write a query to find the second highest salary in the Employee table. 3. How do you handle missing values in a dataset? (Data Cleaning) 4. What is the difference between COUNT(*), COUNT(column),
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