Amazon-Level SQL Interview Questions for Data Analysts (Solved) |
If you're preparing for Data Analyst, Business Analyst, Analytics Engineer, or SQL-heavy product company interviews, this video is for you.
In this video, I solve 5 advanced SQL interview questions step-by-step — the kind of problems commonly asked by top product companies like Amazon, Google, Microsoft, Meta, and other data-driven organizations.
These are not basic SQL syntax questions.
These are real interview-level problems designed to test your:
✅ Problem-solving ability
✅ Advanced SQL logic
✅ Window functions
✅ Aggregation concepts
✅ CTEs and subqueries
✅ Business thinking
⏱️ Timestamps
00:00 Customer with the 2nd highest sales value
04:40 customers who transacted in Oct but not in Sep
08:30 Find each customer’s first order in every month
12:35 Identify New vs Repeat Customers
18:45 Find the minimum Invoice_ID where total sales crossed 2000
Questions Solved in This Video
🔹 Q1. Find the customer with the 2nd highest sales value
Learn ranking logic using advanced SQL approaches.
🔹 Q2. Find customers who transacted in Oct’25 but not in Sep’25
A classic set comparison problem often asked in interviews.
🔹 Q3. Find each customer’s first order in every month
Understand date-based partitioning and row-level filtering.
🔹 Q4. Identify New vs Repeat Customers
A real-world business classification problem.
🔹 Q5. Find the minimum Invoice_ID where total sales crossed 2000 ⭐
This is the toughest and most interview-relevant question in the video.
This final problem tests your ability to combine:
Aggregation
Conditional filtering
Grouping logic
Business interpretation
Why This Video Matters
Top product companies don’t just test SQL syntax.
They test whether you can:
✔ Break down business problems
✔ Write optimized SQL logic
✔ Think like a Data Analyst
✔ Solve edge-case scenarios
That’s exactly what we focus on here.
Who Should Watch This?
This video is perfect for:
📌 Data Analyst interview preparation
📌 SQL interview practice
📌 Product company interview prep
📌 Business Analyst SQL preparation
📌 Anyone learning advanced SQL
Challenge for You
Pause before each solution and try solving it yourself.
Comment below:
How many out of 5 did you solve correctly?
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