Lavish Chauhan

Aspiring Data Engineer | Data Analytics
Python • SQL • PostgreSQL • PySpark • DSA • ETL
Building real-world data projects 🚀

[Lavish Chauhan @Bilvish]

🚀 Built my first SQL project!

📊 Northwind E-Commerce Analysis using PostgreSQL, covering sales, customers, products, JOINs & business analysis.

🔗 https://t.co/pD2BvAWjsA

#SQL #PostgreSQL #DataEngineer

[Lavish Chauhan @Bilvish]

@yohalyyyy keep continue

[Lavish Chauhan @Bilvish]

@fredrik_mutisya SELECT
c.customer_name,
https://t.co/uWEFBxHmgX,
o.order_amount
FROM customers c
JOIN orders o
ON c.customer_id = o.customer_id
WHERE o.order_amount > 100000
ORDER BY o.order_amount DESC;

[Lavish Chauhan @Bilvish]

@BytePilotLabs thanks 🤝

[Lavish Chauhan @Bilvish]

Day 12/180 Data Engineering
Python: "self", "cls", static methods
DSA: Arrays, two-pointer
Power BI: Get Data, Transform & Clean
SQL: CASE, NULL, COALESCE

Learning → Practicing → Building.

#DataEngineering #Python #SQL #DSA #PowerBI

[Lavish Chauhan @Bilvish]

@siddhiguptas keep it up 👏

[Lavish Chauhan @Bilvish]

Day 13/180 Data Engineering

Python OOPs — Revision
SQL — CASE, NULL & Cleaning Practice
Power BI — Clean, Transform & Load
DSA — Solved an Array problem
Building consistency, one day at a time. 💻
#DataEngineering #Python #SQL #PowerBI #DSA #LearningInPublic

[Lavish Chauhan @Bilvish]

Day 11/180 Data Engineering 🚀

🐍 Python: Class Attributes + Class Methods
🗄️ SQL: CASE
📊 Power BI: Power Query
🧠 DSA: Revised previous concepts
#DataEngineering #DataAnalytics #Python #SQL #PowerBI #DSA #LearningInPublic #BuildInPublic #100DaysOfCode

[Lavish Chauhan @Bilvish]

@KomalWCode Hi! I’m starting my Data Engineering journey and noticed you’re working as a Data Engineer in Germany. Could you share 1–2 tips on what I should focus on from the beginning? It would really help. Thanks!

[Lavish Chauhan @Bilvish]

🚀 Day 10/180 — Data Engineering Journey

Today’s progress:
🐍 Python: OOP — Classes, Objects, __init__, Instance
🗄️ SQL: Started JOINs
🧩 DSA: Practiced Easy Array Problems
📊 Power BI: Started fundamentals
#DataEngineering #Python #SQL #DSA #PowerBI #DataAnalytics

[Lavish Chauhan @Bilvish]

@ezekiel_aleke I am interested

[Lavish Chauhan @Bilvish]

@KhaliqHussainnn Thanks, brother! Keep guiding me at every phase of this journey. Your support means a lot! ��️

[Lavish Chauhan @Bilvish]

Day 8/180 | Data Engineering Journey 🚀

Today’s progress:
• Revised Python concepts covered so far
• Practiced easy DSA problems on Arrays
• Learned & practiced SQL JOINs

#DataEngineering #Python #SQL #DSA #Arrays #LearningInPublic

[Lavish Chauhan @Bilvish]

@ezekiel_aleke Interested

[Lavish Chauhan @Bilvish]

@ezekiel_aleke Interested 🤝

[Lavish Chauhan @Bilvish]

Day 8/180 — Data Engineering 🚀

Python: Comprehensions
DSA: Arrays + Practice
SQL: JOINs
Building strong fundamentals, one day at a time.
#DataEngineering #Python #SQL #DSA #PySpark #ETL #PostgreSQL #DataAnalytics #LearningInPublic

[Lavish Chauhan @Bilvish]

@archnarambles Let's connect

[Lavish Chauhan @Bilvish]

Hey @X, connect me with people passionate about or learning Data Engineering, Data Analytics, DSA & Software Fundamentals
#DataEngineering #DataAnalytics #DSA #SoftwareEngineering #Python #SQL #PySpark #ETL #DataScience #BigData #Linux #Git #LearningInPublic #TechCommunity

[Lavish Chauhan @Bilvish]

Day 7/180 — Data Engineering

Python: Revised all previous topics
DSA: Started Arrays
SQL: Relationships & Foreign Keys
Consistency > intensity. 📈
#DataEngineering #Python #SQL #DSA #100DaysOfCode #LearningInPublic

[Lavish Chauhan @Bilvish]

Day 6/180 🚀
Today’s progress in my Data Engineering journey:
🐍 Python: Exception Handling
🧩 DSA: Revised all pattern problems
🗄️ SQL: String Functions
#DataEngineering #Python #SQL #DSA #LearningInPublic #100DaysOfCode