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🔥 Fractal Data Engineer Interview (23 LPA + 2L Variable)

This wasn’t about textbook SQL.
It was about real-world data engineering.

Here’s how it went 👇

📞 Screening
→ SQL + Python basics

💻 Round 1
→ Medium SQL problem
→ PySpark optimization
→ Kafka architecture
→ Custom PySpark function

🧠 Round 2 (Technical Deep Dive)
→ My project architecture
→ Design a scalable ETL from scratch
→ Schema evolution in Delta Lake
→ Azure stack discussion

👔 Round 3 (Managerial)
→ Leadership + ownership
→ Live coding (ETL test cases)
→ Real production challenges

💡 What they really tested:
Reliability. Scalability. Decision-making. Ownership.

Not memorized syntax.

🔥 Cracked 100 DAX Interview Questions — Here’s What Actually Matters

Power BI interviews aren’t basic anymore.

If you’re preparing for Data Analyst or BI roles, these DAX concepts are non-negotiable:

✅ SUM vs SUMX — Aggregation vs row-by-row evaluation
✅ CALCULATE — The king of filter context
✅ RANKX, FILTER, ALL, ALLEXCEPT — Core for dynamic reports
✅ Time Intelligence — TOTALYTD, SAMEPERIODLASTYEAR, DATEADD
✅ DIVIDE > / — Always handle division safely

DAX isn’t about memorizing formulas.
It’s about understanding context.

If you’re serious about cracking BI interviews, spend time mastering these this week. 🚀

Mine is cricket 🏏🥹

REPOSTING

🚨 New SQL Interview Video is LIVE! 🚨

Can you solve a real KPMG SQL interview question?

The task sounds simple…
But it tests your understanding of aggregation and logic 👀

👉 Calculate:
• Total Rides
• Won Rides
• Lost Rides

Think it’s easy? Try solving it before watching.

🎥 Watch now:
👉 https://youtu.be/tFaIBqj3jUI

After watching, tell me honestly —
Did you solve it correctly on your first attempt? 😏

More real-world SQL interview questions coming soon. Stay sharp. 🔥

Hey Guys
Is anybody working in Capgemini
One of us from our community need to get a referral in Capg

Please ping me on linkedin ,if you are a Capg employee

Let’s help each other and grow together😊

Hey Guys
Another freelancing role
Needed skill set - Snowflake,Aws,python,sql,Terraform, pyspark

Expectation -2.5 hours daily in evening

Please ping me urgently if you are interested on linkedin asap
linkedin.com/in/adityabansal095

This is an urgent opportunity

#jobalert #jobopportunity #freelancer

India won 🏆
It was a great match
At a moment I thought , England might win it 🙂😬

🚀 Data Analytics Essentials — Skills Every Analyst Must Master

If you want to grow faster as a Data Analyst, it’s not just about tools.
You need the right mix of technical + business skills.

Here’s a quick breakdown 👇

🧠 Technical Skills

1️⃣ SQL
• Joins, GROUP BY, Window Functions
• Handling NULLs & duplicates
💡 Example: Use LEFT JOIN to identify churn vs non-churn users.

2️⃣ Excel
• Pivot Tables, Lookups, IF logic
• Fast data cleaning
💡 Example: Summarize 50K rows instantly using pivots.

3️⃣ Power BI / Tableau
• Data modeling, measures, filters
• Build dashboards that answer one clear question.
📊 Example: Track sales drop by region & month.

4️⃣ Python
• pandas for data cleaning
• matplotlib / seaborn for quick visuals
💡 Example: Cohort-wise revenue analysis.

5️⃣ Statistics Basics
• Mean vs Median, Variance, Correlation
⚠️ Example: Median often explains salary distribution better than average.

⸻

🤝 Soft Skills (Equally Important)

1️⃣ Business Thinking – Always ask why before how.
2️⃣ Communication – Explain insights in simple terms.
3️⃣ Problem Framing – Convert vague questions into clear metrics.
4️⃣ Attention to Detail – Small data errors break trust.
5️⃣ Stakeholder Management – Listen first, challenge with data.

⸻

📌 Lesson:
Tools alone won’t make you a great analyst.
The real edge comes from combining technical skills with business thinking.

🔥 Pick one skill from this list and improve it.

#DataAnalytics #SQL #Python #PowerBI #AnalyticsSkills

🚀 Thinking of Hosting a Live SQL Interview Masterclass

I’m considering conducting a live SQL interview masterclass where we’ll solve real interview questions and learn the thinking process behind them.

Topics would include:
• Conditional aggregation questions
• Ranking & window function problems
• Real interview questions from companies
• Common SQL interview traps

It will be a small live session (max 50 people) so we can keep it interactive.

Before planning it, I want to check interest 👇

Would you be interested in joining?

📊 Vote below.

🚀 Essential SQL Commands Every Data Professional Should Know

Whether you’re preparing for SQL interviews or working with databases daily, these commands form the backbone of SQL.

Here’s a quick refresher 👇

🔹 SELECT – Retrieve data from a table
🔹 INSERT – Add new records into a table
🔹 UPDATE – Modify existing data
🔹 DELETE – Remove specific records

📦 Database Structure

🔹 CREATE – Create new database objects (tables, databases)
🔹 ALTER – Modify the structure of an existing object
🔹 DROP – Delete an entire table or database

📊 Filtering & Analysis

🔹 WHERE – Filter records based on conditions
🔹 GROUP BY – Group rows with similar values
🔹 HAVING – Filter aggregated results

🔗 Working with Multiple Tables

🔹 JOIN – Combine data from multiple tables

⚡ Performance

🔹 INDEX – Speeds up data retrieval in large tables

📌 Tip:
Mastering these fundamentals makes solving complex SQL problems much easier.

🔥 Try this today:
Pick one command and write a small query to practice it.

#SQL #LearnSQL #DataEngineering #DataAnalytics

📊 Common SQL Window Functions You Should Know

Window functions = next-level SQL 🚀
They help you analyze data without losing rows.

🔢 ROW_NUMBER()
Gives a unique number to each row
👉 Perfect for deduplication & ordering

🏆 RANK()
Assigns rank with gaps
👉 If 2 people tie, next rank is skipped (1, 2, 2, 4)

🥇 DENSE_RANK()
Assigns rank without gaps
👉 No skipping (1, 2, 2, 3)

📈 SUM() OVER()
Calculates running totals
👉 Great for cumulative sales, revenue trends

⏮️⏭️ LAG() / LEAD()
Compare with previous/next row
👉 Useful for time-based analysis, growth tracking

⚡ Why it matters?
Because real-world data problems need row-level + aggregated insights together