✅ GitHub Profile Tips for Data Analysts 🌐💼
Your GitHub is more than code — it’s your digital resume. Here's how to make it stand out:
1️⃣ Clean README (Profile)
• Add your name, noscript & tools
• Short about section
• Include: skills, top projects, certificates, contact
✅ Example:
“Hi, I’m Rahul – a Data Analyst skilled in SQL, Python & Power BI.”
2️⃣ Pin Your Best Projects
• Show 3–6 strong repos
• Add clear README for each project:
- What it does
- Tools used
- Screenshots or demo links
✅ Bonus: Include real data or visuals
3️⃣ Use Commits & Contributions
• Contribute regularly
• Avoid empty profiles
✅ Daily commits > 1 big push once a month
4️⃣ Upload Resume Projects
• Excel dashboards
• SQL queries
• Python notebooks (Jupyter)
• BI project links (Power BI/Tableau public)
5️⃣ Add Denoscriptions & Tags
• Use repo tags:
• Write short project summary in repo denoscription
🧠 Tips:
• Push only clean, working code
• Use folders, not messy files
• Update your profile bio with your LinkedIn
📌 Practice Task:
Upload your latest project → Write a README → Pin it to your profile
💬 Tap ❤️ for more!
Your GitHub is more than code — it’s your digital resume. Here's how to make it stand out:
1️⃣ Clean README (Profile)
• Add your name, noscript & tools
• Short about section
• Include: skills, top projects, certificates, contact
✅ Example:
“Hi, I’m Rahul – a Data Analyst skilled in SQL, Python & Power BI.”
2️⃣ Pin Your Best Projects
• Show 3–6 strong repos
• Add clear README for each project:
- What it does
- Tools used
- Screenshots or demo links
✅ Bonus: Include real data or visuals
3️⃣ Use Commits & Contributions
• Contribute regularly
• Avoid empty profiles
✅ Daily commits > 1 big push once a month
4️⃣ Upload Resume Projects
• Excel dashboards
• SQL queries
• Python notebooks (Jupyter)
• BI project links (Power BI/Tableau public)
5️⃣ Add Denoscriptions & Tags
• Use repo tags:
sql, python, EDA, dashboard • Write short project summary in repo denoscription
🧠 Tips:
• Push only clean, working code
• Use folders, not messy files
• Update your profile bio with your LinkedIn
📌 Practice Task:
Upload your latest project → Write a README → Pin it to your profile
💬 Tap ❤️ for more!
❤16
✅ Data Analyst Mistakes Beginners Should Avoid ⚠️📊
1️⃣ Ignoring Data Cleaning
• Jumping to charts too soon
• Overlooking missing or incorrect data
✅ Clean before you analyze — always
2️⃣ Not Practicing SQL Enough
• Stuck on simple joins or filters
• Can’t handle large datasets
✅ Practice SQL daily — it's your #1 tool
3️⃣ Overusing Excel Only
• Limited automation
• Hard to scale with large data
✅ Learn Python or SQL for bigger tasks
4️⃣ No Real-World Projects
• Watching tutorials only
• Resume has no proof of skills
✅ Analyze real datasets and publish your work
5️⃣ Ignoring Business Context
• Insights without meaning
• Metrics without impact
✅ Understand the why behind the data
6️⃣ Weak Data Visualization Skills
• Crowded charts
• Wrong chart types
✅ Use clean, simple, and clear visuals (Power BI, Tableau, etc.)
7️⃣ Not Tracking Metrics Over Time
• Only point-in-time analysis
• No trends or comparisons
✅ Use time-based metrics for better insight
8️⃣ Avoiding Git & Version Control
• No backup
• Difficult collaboration
✅ Learn Git to track and share your work
9️⃣ No Communication Focus
• Great analysis, poorly explained
✅ Practice writing insights clearly & presenting dashboards
🔟 Ignoring Data Privacy
• Sharing raw data carelessly
✅ Always anonymize and protect sensitive info
💡 Master tools + think like a problem solver — that's how analysts grow fast.
💬 Tap ❤️ for more!
1️⃣ Ignoring Data Cleaning
• Jumping to charts too soon
• Overlooking missing or incorrect data
✅ Clean before you analyze — always
2️⃣ Not Practicing SQL Enough
• Stuck on simple joins or filters
• Can’t handle large datasets
✅ Practice SQL daily — it's your #1 tool
3️⃣ Overusing Excel Only
• Limited automation
• Hard to scale with large data
✅ Learn Python or SQL for bigger tasks
4️⃣ No Real-World Projects
• Watching tutorials only
• Resume has no proof of skills
✅ Analyze real datasets and publish your work
5️⃣ Ignoring Business Context
• Insights without meaning
• Metrics without impact
✅ Understand the why behind the data
6️⃣ Weak Data Visualization Skills
• Crowded charts
• Wrong chart types
✅ Use clean, simple, and clear visuals (Power BI, Tableau, etc.)
7️⃣ Not Tracking Metrics Over Time
• Only point-in-time analysis
• No trends or comparisons
✅ Use time-based metrics for better insight
8️⃣ Avoiding Git & Version Control
• No backup
• Difficult collaboration
✅ Learn Git to track and share your work
9️⃣ No Communication Focus
• Great analysis, poorly explained
✅ Practice writing insights clearly & presenting dashboards
🔟 Ignoring Data Privacy
• Sharing raw data carelessly
✅ Always anonymize and protect sensitive info
💡 Master tools + think like a problem solver — that's how analysts grow fast.
💬 Tap ❤️ for more!
❤20
✅ Power BI Project Ideas for Data Analysts 📊💡
Real-world projects help you stand out in job applications and interviews.
1️⃣ Sales Dashboard
• Track revenue, profit, and sales by region/product
• Add slicers for year, month, category
• Source: Sample Superstore dataset
2️⃣ HR Analytics Dashboard
• Analyze employee attrition, performance, and satisfaction
• KPIs: attrition rate, avg tenure, engagement score
• Use Excel or mock HR dataset
3️⃣ E-commerce Analysis
• Show total orders, AOV (average order value), top-selling items
• Use date filters, category breakdowns
• Optional: add customer segmentation
4️⃣ Financial Report
• Monthly expenses vs income
• Budget variance tracking
• Charts for category-wise breakdown
5️⃣ Healthcare Analytics
• Hospital admissions, treatment outcomes, patient demographics
• Drill-through: see patient-level detail by department
• Public health datasets available online
6️⃣ Marketing Campaign Tracker
• Click-through rates, conversion rates, campaign ROI
• Compare across channels (email, social, paid ads)
🧠 Bonus Tips:
• Use DAX to create measures
• Add tooltips and slicers
• Make the design clean and professional
📌 Practice Task:
Choose one topic → Get a dataset → Build a dashboard → Upload screenshots to GitHub
Power BI Resources: https://whatsapp.com/channel/0029Vai1xKf1dAvuk6s1v22c
💬 Tap ❤️ for more!
Real-world projects help you stand out in job applications and interviews.
1️⃣ Sales Dashboard
• Track revenue, profit, and sales by region/product
• Add slicers for year, month, category
• Source: Sample Superstore dataset
2️⃣ HR Analytics Dashboard
• Analyze employee attrition, performance, and satisfaction
• KPIs: attrition rate, avg tenure, engagement score
• Use Excel or mock HR dataset
3️⃣ E-commerce Analysis
• Show total orders, AOV (average order value), top-selling items
• Use date filters, category breakdowns
• Optional: add customer segmentation
4️⃣ Financial Report
• Monthly expenses vs income
• Budget variance tracking
• Charts for category-wise breakdown
5️⃣ Healthcare Analytics
• Hospital admissions, treatment outcomes, patient demographics
• Drill-through: see patient-level detail by department
• Public health datasets available online
6️⃣ Marketing Campaign Tracker
• Click-through rates, conversion rates, campaign ROI
• Compare across channels (email, social, paid ads)
🧠 Bonus Tips:
• Use DAX to create measures
• Add tooltips and slicers
• Make the design clean and professional
📌 Practice Task:
Choose one topic → Get a dataset → Build a dashboard → Upload screenshots to GitHub
Power BI Resources: https://whatsapp.com/channel/0029Vai1xKf1dAvuk6s1v22c
💬 Tap ❤️ for more!
❤13
✅ Essential Tools for Data Analytics 📊🛠️
🔣 1️⃣ Excel / Google Sheets
• Quick data entry & analysis
• Pivot tables, charts, functions
• Good for early-stage exploration
💻 2️⃣ SQL (Structured Query Language)
• Work with databases (MySQL, PostgreSQL, etc.)
• Query, filter, join, and aggregate data
• Must-know for data from large systems
🐍 3️⃣ Python (with Libraries)
• Pandas – Data manipulation
• NumPy – Numerical analysis
• Matplotlib / Seaborn – Data visualization
• OpenPyXL / xlrd – Work with Excel files
📊 4️⃣ Power BI / Tableau
• Create dashboards and visual reports
• Drag-and-drop interface for non-coders
• Ideal for business insights & presentations
📁 5️⃣ Google Data Studio
• Free dashboard tool
• Connects easily to Google Sheets, BigQuery
• Great for real-time reporting
🧪 6️⃣ Jupyter Notebook
• Interactive Python coding
• Combine code, text, and visuals in one place
• Perfect for storytelling with data
🛠️ 7️⃣ R Programming (Optional)
• Popular in statistical analysis
• Strong in academic and research settings
☁️ 8️⃣ Cloud & Big Data Tools
• Google BigQuery, Snowflake – Large-scale analysis
• Excel + SQL + Python still work as a base
💡 Tip:
Start with Excel + SQL + Python (Pandas) → Add BI tools for reporting.
💬 Tap ❤️ for more!
🔣 1️⃣ Excel / Google Sheets
• Quick data entry & analysis
• Pivot tables, charts, functions
• Good for early-stage exploration
💻 2️⃣ SQL (Structured Query Language)
• Work with databases (MySQL, PostgreSQL, etc.)
• Query, filter, join, and aggregate data
• Must-know for data from large systems
🐍 3️⃣ Python (with Libraries)
• Pandas – Data manipulation
• NumPy – Numerical analysis
• Matplotlib / Seaborn – Data visualization
• OpenPyXL / xlrd – Work with Excel files
📊 4️⃣ Power BI / Tableau
• Create dashboards and visual reports
• Drag-and-drop interface for non-coders
• Ideal for business insights & presentations
📁 5️⃣ Google Data Studio
• Free dashboard tool
• Connects easily to Google Sheets, BigQuery
• Great for real-time reporting
🧪 6️⃣ Jupyter Notebook
• Interactive Python coding
• Combine code, text, and visuals in one place
• Perfect for storytelling with data
🛠️ 7️⃣ R Programming (Optional)
• Popular in statistical analysis
• Strong in academic and research settings
☁️ 8️⃣ Cloud & Big Data Tools
• Google BigQuery, Snowflake – Large-scale analysis
• Excel + SQL + Python still work as a base
💡 Tip:
Start with Excel + SQL + Python (Pandas) → Add BI tools for reporting.
💬 Tap ❤️ for more!
❤20👍1
✅ SQL Interview Roadmap – Step-by-Step Guide to Crack Any SQL Round 💼📊
Whether you're applying for Data Analyst, BI, or Data Engineer roles — SQL rounds are must-clear. Here's your focused roadmap:
1️⃣ Core SQL Concepts
🔹 Understand RDBMS, tables, keys, schemas
🔹 Data types,
🧠 Interview Tip: Be able to explain
2️⃣ Basic Queries
🔹
🧠 Practice: Filter and sort data by multiple columns.
3️⃣ Joins – Very Frequently Asked!
🔹
🧠 Interview Tip: Explain the difference with examples.
🧪 Practice: Write queries using joins across 2–3 tables.
4️⃣ Aggregations & GROUP BY
🔹
🧠 Common Question: Total sales per category where total > X.
5️⃣ Window Functions
🔹
🧠 Interview Favorite: Top N per group, previous row comparison.
6️⃣ Subqueries & CTEs
🔹 Write queries inside
🧠 Use Case: Filtering on aggregated data, simplifying logic.
7️⃣ CASE Statements
🔹 Add logic directly in
🧠 Example: Categorize users based on spend or activity.
8️⃣ Data Cleaning & Transformation
🔹 Handle
🧠 Real-world Task: Clean user input data.
9️⃣ Query Optimization Basics
🔹 Understand indexing, query plan, performance tips
🧠 Interview Tip: Difference between
🔟 Real-World Scenarios
🧠 Must Practice:
• Sales funnel
• Retention cohort
• Churn rate
• Revenue by channel
• Daily active users
🧪 Practice Platforms
• LeetCode (Easy–Hard SQL)
• StrataScratch (Real business cases)
• Mode Analytics (SQL + Visualization)
• HackerRank SQL (MCQs + Coding)
💼 Final Tip:
Explain why your query works, not just what it does. Speak your logic clearly.
💬 Tap ❤️ for more!
Whether you're applying for Data Analyst, BI, or Data Engineer roles — SQL rounds are must-clear. Here's your focused roadmap:
1️⃣ Core SQL Concepts
🔹 Understand RDBMS, tables, keys, schemas
🔹 Data types,
NULLs, constraints 🧠 Interview Tip: Be able to explain
Primary vs Foreign Key.2️⃣ Basic Queries
🔹
SELECT, FROM, WHERE, ORDER BY, LIMIT 🧠 Practice: Filter and sort data by multiple columns.
3️⃣ Joins – Very Frequently Asked!
🔹
INNER, LEFT, RIGHT, FULL OUTER JOIN 🧠 Interview Tip: Explain the difference with examples.
🧪 Practice: Write queries using joins across 2–3 tables.
4️⃣ Aggregations & GROUP BY
🔹
COUNT, SUM, AVG, MIN, MAX, HAVING 🧠 Common Question: Total sales per category where total > X.
5️⃣ Window Functions
🔹
ROW_NUMBER(), RANK(), DENSE_RANK(), LAG(), LEAD() 🧠 Interview Favorite: Top N per group, previous row comparison.
6️⃣ Subqueries & CTEs
🔹 Write queries inside
WHERE, FROM, and using WITH 🧠 Use Case: Filtering on aggregated data, simplifying logic.
7️⃣ CASE Statements
🔹 Add logic directly in
SELECT 🧠 Example: Categorize users based on spend or activity.
8️⃣ Data Cleaning & Transformation
🔹 Handle
NULLs, format dates, string manipulation (TRIM, SUBSTRING) 🧠 Real-world Task: Clean user input data.
9️⃣ Query Optimization Basics
🔹 Understand indexing, query plan, performance tips
🧠 Interview Tip: Difference between
WHERE and HAVING.🔟 Real-World Scenarios
🧠 Must Practice:
• Sales funnel
• Retention cohort
• Churn rate
• Revenue by channel
• Daily active users
🧪 Practice Platforms
• LeetCode (Easy–Hard SQL)
• StrataScratch (Real business cases)
• Mode Analytics (SQL + Visualization)
• HackerRank SQL (MCQs + Coding)
💼 Final Tip:
Explain why your query works, not just what it does. Speak your logic clearly.
💬 Tap ❤️ for more!
❤10👍5
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🔥 Do you want to become a Master in Azure Cloud Data Engineering?
If you're ready to build in-demand skills and unlock exciting career opportunities,
this is the perfect place to start!
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📺 WhatsApp Channel:
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Team
PVR Cloud Tech :)
+91-9346060794
🔥 Do you want to become a Master in Azure Cloud Data Engineering?
If you're ready to build in-demand skills and unlock exciting career opportunities,
this is the perfect place to start!
📌 Start Date: 17th Jan 2026
⏰ Time: 07 AM – 8 AM IST | Saturday
🔗 𝐈𝐧𝐭𝐞𝐫𝐞𝐬𝐭𝐞𝐝 𝐢𝐧 𝐀𝐳𝐮𝐫𝐞 𝐃𝐚𝐭𝐚 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠 𝐥𝐢𝐯𝐞 𝐬𝐞𝐬𝐬𝐢𝐨𝐧𝐬?
👉 Message us on WhatsApp:
https://wa.me/919346060794?text=Interested_to_join_azure_live_sessions
🔹 Course Content:
https://drive.google.com/file/d/1YufWV0Ru6SyYt-oNf5Mi5H8mmeV_kfP-/view
📱 Join WhatsApp Group:
https://chat.whatsapp.com/GCdcWr7v5JI1taguJrgU9j
📥 Register Now:
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📺 WhatsApp Channel:
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Learn Coding From Scratch - Lectures Taught By IIT Alumni
60+ Hiring Drives Every Month
𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬:-
🌟 Trusted by 7500+ Students
🤝 500+ Hiring Partners
💼 Avg. Rs. 7.4 LPA
🚀 41 LPA Highest Package
Eligibility: BTech / BCA / BSc / MCA / MSc
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❤2
How to Crack a Data Analyst Job Faster
1️⃣ Fix Your Resume
- One page, clean layout, show impact (not tools)
- Example: Improved sales reporting accuracy by 18% using SQL & Power BI
- Add links: GitHub, Portfolio, LinkedIn
2️⃣ Prepare Smart for Interviews
- SQL: joins, window functions, CTEs (daily practice)
- Excel: case questions (pivots, formulas)
- Power BI/Tableau: explain one dashboard end-to-end
- Python: pandas (groupby, merge, missing values)
3️⃣ Master Business Thinking
- Ask why the data exists
- Translate numbers into decisions
- Example: High month-2 churn → poor onboarding
4️⃣ Build a Strong Portfolio
- 3 solid projects > 10 weak ones
- Projects:
- Customer churn analysis
- Sales performance dashboard
- Marketing funnel analysis
5️⃣ Apply With Strategy
- Apply to 5-10 roles daily
- Customize resume keywords
- Reach out to hiring managers (referrals = 3x interviews)
6️⃣ Track Progress
- Maintain interview log
- Fix gaps weekly
🎯 Skills get you shortlisted. Thinking gets you hired.
1️⃣ Fix Your Resume
- One page, clean layout, show impact (not tools)
- Example: Improved sales reporting accuracy by 18% using SQL & Power BI
- Add links: GitHub, Portfolio, LinkedIn
2️⃣ Prepare Smart for Interviews
- SQL: joins, window functions, CTEs (daily practice)
- Excel: case questions (pivots, formulas)
- Power BI/Tableau: explain one dashboard end-to-end
- Python: pandas (groupby, merge, missing values)
3️⃣ Master Business Thinking
- Ask why the data exists
- Translate numbers into decisions
- Example: High month-2 churn → poor onboarding
4️⃣ Build a Strong Portfolio
- 3 solid projects > 10 weak ones
- Projects:
- Customer churn analysis
- Sales performance dashboard
- Marketing funnel analysis
5️⃣ Apply With Strategy
- Apply to 5-10 roles daily
- Customize resume keywords
- Reach out to hiring managers (referrals = 3x interviews)
6️⃣ Track Progress
- Maintain interview log
- Fix gaps weekly
🎯 Skills get you shortlisted. Thinking gets you hired.
❤20👏1
✅ Data Analytics Roadmap for Freshers 🚀📊
1️⃣ Understand What a Data Analyst Does
🔍 Analyze data, find insights, create dashboards, support business decisions.
2️⃣ Start with Excel
📈 Learn:
– Basic formulas
– Charts & Pivot Tables
– Data cleaning
💡 Excel is still the #1 tool in many companies.
3️⃣ Learn SQL
🧩 SQL helps you pull and analyze data from databases.
Start with:
– SELECT, WHERE, JOIN, GROUP BY
🛠️ Practice on platforms like W3Schools or Mode Analytics.
4️⃣ Pick a Programming Language
🐍 Start with Python (easier) or R
– Learn pandas, matplotlib, numpy
– Do small projects (e.g. analyze sales data)
5️⃣ Data Visualization Tools
📊 Learn:
– Power BI or Tableau
– Build simple dashboards
💡 Start with free versions or YouTube tutorials.
6️⃣ Practice with Real Data
🔍 Use sites like Kaggle or Data.gov
– Clean, analyze, visualize
– Try small case studies (sales report, customer trends)
7️⃣ Create a Portfolio
💻 Share projects on:
– GitHub
– Notion or a simple website
📌 Add visuals + brief explanations of your insights.
8️⃣ Improve Soft Skills
🗣️ Focus on:
– Presenting data in simple words
– Asking good questions
– Thinking critically about patterns
9️⃣ Certifications to Stand Out
🎓 Try:
– Google Data Analytics (Coursera)
– IBM Data Analyst
– LinkedIn Learning basics
🔟 Apply for Internships & Entry Jobs
🎯 Titles to look for:
– Data Analyst (Intern)
– Junior Analyst
– Business Analyst
💬 React ❤️ for more!
1️⃣ Understand What a Data Analyst Does
🔍 Analyze data, find insights, create dashboards, support business decisions.
2️⃣ Start with Excel
📈 Learn:
– Basic formulas
– Charts & Pivot Tables
– Data cleaning
💡 Excel is still the #1 tool in many companies.
3️⃣ Learn SQL
🧩 SQL helps you pull and analyze data from databases.
Start with:
– SELECT, WHERE, JOIN, GROUP BY
🛠️ Practice on platforms like W3Schools or Mode Analytics.
4️⃣ Pick a Programming Language
🐍 Start with Python (easier) or R
– Learn pandas, matplotlib, numpy
– Do small projects (e.g. analyze sales data)
5️⃣ Data Visualization Tools
📊 Learn:
– Power BI or Tableau
– Build simple dashboards
💡 Start with free versions or YouTube tutorials.
6️⃣ Practice with Real Data
🔍 Use sites like Kaggle or Data.gov
– Clean, analyze, visualize
– Try small case studies (sales report, customer trends)
7️⃣ Create a Portfolio
💻 Share projects on:
– GitHub
– Notion or a simple website
📌 Add visuals + brief explanations of your insights.
8️⃣ Improve Soft Skills
🗣️ Focus on:
– Presenting data in simple words
– Asking good questions
– Thinking critically about patterns
9️⃣ Certifications to Stand Out
🎓 Try:
– Google Data Analytics (Coursera)
– IBM Data Analyst
– LinkedIn Learning basics
🔟 Apply for Internships & Entry Jobs
🎯 Titles to look for:
– Data Analyst (Intern)
– Junior Analyst
– Business Analyst
💬 React ❤️ for more!
❤23👍1
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🔹 Hyderabad :- https://pdlink.in/4kFhjn3
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❤3
Amazon Interview Process for Data Scientist position
📍Round 1- Phone Screen round
This was a preliminary round to check my capability, projects to coding, Stats, ML, etc.
After clearing this round the technical Interview rounds started. There were 5-6 rounds (Multiple rounds in one day).
📍 𝗥𝗼𝘂𝗻𝗱 𝟮- 𝗗𝗮𝘁𝗮 𝗦𝗰𝗶𝗲𝗻𝗰𝗲 𝗕𝗿𝗲𝗮𝗱𝘁𝗵:
In this round the interviewer tested my knowledge on different kinds of topics.
📍𝗥𝗼𝘂𝗻𝗱 𝟯- 𝗗𝗲𝗽𝘁𝗵 𝗥𝗼𝘂𝗻𝗱:
In this round the interviewers grilled deeper into 1-2 topics. I was asked questions around:
Standard ML tech, Linear Equation, Techniques, etc.
📍𝗥𝗼𝘂𝗻𝗱 𝟰- 𝗖𝗼𝗱𝗶𝗻𝗴 𝗥𝗼𝘂𝗻𝗱-
This was a Python coding round, which I cleared successfully.
📍𝗥𝗼𝘂𝗻𝗱 𝟱- This was 𝗛𝗶𝗿𝗶𝗻𝗴 𝗠𝗮𝗻𝗮𝗴𝗲𝗿 where my fitment for the team got assessed.
📍𝗟𝗮𝘀𝘁 𝗥𝗼𝘂𝗻𝗱- 𝗕𝗮𝗿 𝗥𝗮𝗶𝘀𝗲𝗿- Very important round, I was asked heavily around Leadership principles & Employee dignity questions.
So, here are my Tips if you’re targeting any Data Science role:
-> Never make up stuff & don’t lie in your Resume.
-> Projects thoroughly study.
-> Practice SQL, DSA, Coding problem on Leetcode/Hackerank.
-> Download data from Kaggle & build EDA (Data manipulation questions are asked)
Best Data Science & Machine Learning Resources: https://topmate.io/coding/914624
ENJOY LEARNING 👍👍
📍Round 1- Phone Screen round
This was a preliminary round to check my capability, projects to coding, Stats, ML, etc.
After clearing this round the technical Interview rounds started. There were 5-6 rounds (Multiple rounds in one day).
📍 𝗥𝗼𝘂𝗻𝗱 𝟮- 𝗗𝗮𝘁𝗮 𝗦𝗰𝗶𝗲𝗻𝗰𝗲 𝗕𝗿𝗲𝗮𝗱𝘁𝗵:
In this round the interviewer tested my knowledge on different kinds of topics.
📍𝗥𝗼𝘂𝗻𝗱 𝟯- 𝗗𝗲𝗽𝘁𝗵 𝗥𝗼𝘂𝗻𝗱:
In this round the interviewers grilled deeper into 1-2 topics. I was asked questions around:
Standard ML tech, Linear Equation, Techniques, etc.
📍𝗥𝗼𝘂𝗻𝗱 𝟰- 𝗖𝗼𝗱𝗶𝗻𝗴 𝗥𝗼𝘂𝗻𝗱-
This was a Python coding round, which I cleared successfully.
📍𝗥𝗼𝘂𝗻𝗱 𝟱- This was 𝗛𝗶𝗿𝗶𝗻𝗴 𝗠𝗮𝗻𝗮𝗴𝗲𝗿 where my fitment for the team got assessed.
📍𝗟𝗮𝘀𝘁 𝗥𝗼𝘂𝗻𝗱- 𝗕𝗮𝗿 𝗥𝗮𝗶𝘀𝗲𝗿- Very important round, I was asked heavily around Leadership principles & Employee dignity questions.
So, here are my Tips if you’re targeting any Data Science role:
-> Never make up stuff & don’t lie in your Resume.
-> Projects thoroughly study.
-> Practice SQL, DSA, Coding problem on Leetcode/Hackerank.
-> Download data from Kaggle & build EDA (Data manipulation questions are asked)
Best Data Science & Machine Learning Resources: https://topmate.io/coding/914624
ENJOY LEARNING 👍👍
❤16👍1
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✅ SQL Mistakes Beginners Should Avoid 🧠💻
1️⃣ Using SELECT *
• Pulls unused columns
• Slows queries
• Breaks when schema changes
• Use only required columns
2️⃣ Ignoring NULL Values
• NULL breaks calculations
• COUNT(column) skips NULL
• Use
3️⃣ Wrong JOIN Type
• INNER instead of LEFT
• Data silently disappears
• Always ask: Do you need unmatched rows?
4️⃣ Missing JOIN Conditions
• Creates cartesian product
• Rows explode
• Always join on keys
5️⃣ Filtering After JOIN Instead of Before
• Processes more rows than needed
• Slower performance
• Filter early using
6️⃣ Using WHERE Instead of HAVING
•
•
• Aggregates fail without
7️⃣ Not Using Indexes
• Full table scans
• Slow dashboards
• Index columns used in
8️⃣ Relying on ORDER BY in Subqueries
• Order not guaranteed
• Results change
• Use
9️⃣ Mixing Data Types
• Implicit conversions
• Index not used
• Match column data types
🔟 No Query Validation
• Results look right but are wrong
• Always cross-check counts and totals
🧠 Practice Task
• Rewrite one query
• Remove
• Add proper
• Handle
• Compare result count
SQL Resources: https://whatsapp.com/channel/0029VanC5rODzgT6TiTGoa1v
❤️ Double Tap For More
1️⃣ Using SELECT *
• Pulls unused columns
• Slows queries
• Breaks when schema changes
• Use only required columns
2️⃣ Ignoring NULL Values
• NULL breaks calculations
• COUNT(column) skips NULL
• Use
COALESCE or IS NULL checks3️⃣ Wrong JOIN Type
• INNER instead of LEFT
• Data silently disappears
• Always ask: Do you need unmatched rows?
4️⃣ Missing JOIN Conditions
• Creates cartesian product
• Rows explode
• Always join on keys
5️⃣ Filtering After JOIN Instead of Before
• Processes more rows than needed
• Slower performance
• Filter early using
WHERE or subqueries6️⃣ Using WHERE Instead of HAVING
•
WHERE filters rows•
HAVING filters groups• Aggregates fail without
HAVING7️⃣ Not Using Indexes
• Full table scans
• Slow dashboards
• Index columns used in
JOIN, WHERE, ORDER BY8️⃣ Relying on ORDER BY in Subqueries
• Order not guaranteed
• Results change
• Use
ORDER BY only in final query9️⃣ Mixing Data Types
• Implicit conversions
• Index not used
• Match column data types
🔟 No Query Validation
• Results look right but are wrong
• Always cross-check counts and totals
🧠 Practice Task
• Rewrite one query
• Remove
SELECT *• Add proper
JOIN• Handle
NULLs• Compare result count
SQL Resources: https://whatsapp.com/channel/0029VanC5rODzgT6TiTGoa1v
❤️ Double Tap For More
❤12
𝗙𝘂𝗹𝗹𝘀𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝗵𝗶𝗴𝗵-𝗱𝗲𝗺𝗮𝗻𝗱 𝘀𝗸𝗶𝗹𝗹 𝗜𝗻 𝟮𝟬𝟮𝟲😍
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𝗛𝗶𝗴𝗵𝗹𝗶𝗴𝗵𝘁𝗲𝘀:-
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𝗕𝗼𝗼𝗸 𝗮 𝗙𝗥𝗘𝗘 𝗱𝗲𝗺𝗼👇:-
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Hurry Up 🏃♂️! Limited seats are available
❤4
✅ Data Analytics Essentials
TECH SKILLS (NON-NEGOTIABLE)
1️⃣ SQL
• Joins, Group by, Window functions
• Handle NULLs and duplicates
Example: LEFT JOIN fits a churn query to include non-churned users
2️⃣ Excel
• Pivot tables, Lookups, IF logic
• Clean raw data fast
Example: Reconcile 50k rows in minutes using Pivot tables
3️⃣ Power BI or Tableau
• Data modeling, Measures, Filters
• One dashboard, One question
Example: Sales drop by region and month dashboard
4️⃣ Python
• pandas for cleaning and analysis
• matplotlib or seaborn for quick visuals
Example: Groupby revenue by cohort
5️⃣ Statistics Basics
• Mean vs median, Variance, Correlation
• Know when averages lie
Example: Median salary explains skewed data
SOFT SKILLS (DEAL BREAKERS)
1️⃣ Business Thinking
• Ask why before how
• Tie insights to decisions
Example: High churn points to onboarding gaps
2️⃣ Communication
• Explain insights without jargon
• One slide, One takeaway
Example: Revenue fell due to fewer repeat users
3️⃣ Problem Framing
• Convert vague asks into clear questions
• Define metrics early
Example: What defines an active user?
4️⃣ Attention to Detail
• Validate numbers
• Double check logic
• Small errors kill trust
5️⃣ Stakeholder Handling
• Listen first
• Clarify scope
• Push back with data
🎯 Balance both tech and soft skills to grow faster as an analyst
Double Tap ♥️ For More
TECH SKILLS (NON-NEGOTIABLE)
1️⃣ SQL
• Joins, Group by, Window functions
• Handle NULLs and duplicates
Example: LEFT JOIN fits a churn query to include non-churned users
2️⃣ Excel
• Pivot tables, Lookups, IF logic
• Clean raw data fast
Example: Reconcile 50k rows in minutes using Pivot tables
3️⃣ Power BI or Tableau
• Data modeling, Measures, Filters
• One dashboard, One question
Example: Sales drop by region and month dashboard
4️⃣ Python
• pandas for cleaning and analysis
• matplotlib or seaborn for quick visuals
Example: Groupby revenue by cohort
5️⃣ Statistics Basics
• Mean vs median, Variance, Correlation
• Know when averages lie
Example: Median salary explains skewed data
SOFT SKILLS (DEAL BREAKERS)
1️⃣ Business Thinking
• Ask why before how
• Tie insights to decisions
Example: High churn points to onboarding gaps
2️⃣ Communication
• Explain insights without jargon
• One slide, One takeaway
Example: Revenue fell due to fewer repeat users
3️⃣ Problem Framing
• Convert vague asks into clear questions
• Define metrics early
Example: What defines an active user?
4️⃣ Attention to Detail
• Validate numbers
• Double check logic
• Small errors kill trust
5️⃣ Stakeholder Handling
• Listen first
• Clarify scope
• Push back with data
🎯 Balance both tech and soft skills to grow faster as an analyst
Double Tap ♥️ For More
❤19🥰1
✅ Data Visualization Mistakes Beginners Should Avoid
1. Choosing the Wrong Chart
- Pie charts for trends fail
- Line charts for categories confuse
- Use bar for comparison
- Use line for time series
2. Too Much Data in One Chart
- Visual clutter
- Hard to read
- Split into multiple charts
3. Ignoring Axis Scales
- Truncated axes mislead
- Uneven scales distort insight
- Start from zero for bars
4. Poor Color Choices
- Too many colors
- Low contrast
- Red green fails for color blindness
- Use 3 to 5 colors max
5. Missing Labels and Titles
- Viewer guesses meaning
- Low trust
- Always add noscript, axis labels, units
6. Using 3D Charts
- Distorts perception
- Hides values
- Use flat 2D visuals
7. Sorting Data Incorrectly
- Random order hides pattern
- Sort bars by value
- Keep time data chronological
8. No Context
- Numbers without meaning
- No baseline or target
- Add reference lines or benchmarks
9. Overloading Dashboards
- Too many KPIs
- Decision paralysis
- One dashboard. One question
10. No Validation
- Visual looks right but lies
- Data filters missed
- Always cross-check with raw numbers
Data Visualization: https://whatsapp.com/channel/0029VaxaFzoEQIaujB31SO34
Double Tap ♥️ For More
1. Choosing the Wrong Chart
- Pie charts for trends fail
- Line charts for categories confuse
- Use bar for comparison
- Use line for time series
2. Too Much Data in One Chart
- Visual clutter
- Hard to read
- Split into multiple charts
3. Ignoring Axis Scales
- Truncated axes mislead
- Uneven scales distort insight
- Start from zero for bars
4. Poor Color Choices
- Too many colors
- Low contrast
- Red green fails for color blindness
- Use 3 to 5 colors max
5. Missing Labels and Titles
- Viewer guesses meaning
- Low trust
- Always add noscript, axis labels, units
6. Using 3D Charts
- Distorts perception
- Hides values
- Use flat 2D visuals
7. Sorting Data Incorrectly
- Random order hides pattern
- Sort bars by value
- Keep time data chronological
8. No Context
- Numbers without meaning
- No baseline or target
- Add reference lines or benchmarks
9. Overloading Dashboards
- Too many KPIs
- Decision paralysis
- One dashboard. One question
10. No Validation
- Visual looks right but lies
- Data filters missed
- Always cross-check with raw numbers
Data Visualization: https://whatsapp.com/channel/0029VaxaFzoEQIaujB31SO34
Double Tap ♥️ For More
❤8
💡 𝗠𝗮𝗰𝗵𝗶𝗻𝗲 𝗟𝗲𝗮𝗿𝗻𝗶𝗻𝗴 𝗶𝘀 𝗼𝗻𝗲 𝗼𝗳 𝘁𝗵𝗲 𝗺𝗼𝘀𝘁 𝗶𝗻-𝗱𝗲𝗺𝗮𝗻𝗱 𝘀𝗸𝗶𝗹𝗹𝘀 𝗶𝗻 𝟮𝟬𝟮𝟲!
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📊 Hands-on learning
🎓 Certificate included
🚀 Career-ready skills
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👉 Don’t miss this opportunity
Junior-level Data Analyst interview questions:
Introduction and Background
1. Can you tell me about your background and how you became interested in data analysis?
2. What do you know about our company/organization?
3. Why do you want to work as a data analyst?
Data Analysis and Interpretation
1. What is your experience with data analysis tools like Excel, SQL, or Tableau?
2. How would you approach analyzing a large dataset to identify trends and patterns?
3. Can you explain the concept of correlation versus causation?
4. How do you handle missing or incomplete data?
5. Can you walk me through a time when you had to interpret complex data results?
Technical Skills
1. Write a SQL query to extract data from a database.
2. How do you create a pivot table in Excel?
3. Can you explain the difference between a histogram and a box plot?
4. How do you perform data visualization using Tableau or Power BI?
5. Can you write a simple Python or R noscript to manipulate data?
Statistics and Math
1. What is the difference between mean, median, and mode?
2. Can you explain the concept of standard deviation and variance?
3. How do you calculate probability and confidence intervals?
4. Can you describe a time when you applied statistical concepts to a real-world problem?
5. How do you approach hypothesis testing?
Communication and Storytelling
1. Can you explain a complex data concept to a non-technical person?
2. How do you present data insights to stakeholders?
3. Can you walk me through a time when you had to communicate data results to a team?
4. How do you create effective data visualizations?
5. Can you tell a story using data?
Case Studies and Scenarios
1. You are given a dataset with customer purchase history. How would you analyze it to identify trends?
2. A company wants to increase sales. How would you use data to inform marketing strategies?
3. You notice a discrepancy in sales data. How would you investigate and resolve the issue?
4. Can you describe a time when you had to work with a stakeholder to understand their data needs?
5. How would you prioritize data projects with limited resources?
Behavioral Questions
1. Can you describe a time when you overcame a difficult data analysis challenge?
2. How do you handle tight deadlines and multiple projects?
3. Can you tell me about a project you worked on and your role in it?
4. How do you stay up-to-date with new data tools and technologies?
5. Can you describe a time when you received feedback on your data analysis work?
Final Questions
1. Do you have any questions about the company or role?
2. What do you think sets you apart from other candidates?
3. Can you summarize your experience and qualifications?
4. What are your long-term career goals?
Hope this helps you 😊
Introduction and Background
1. Can you tell me about your background and how you became interested in data analysis?
2. What do you know about our company/organization?
3. Why do you want to work as a data analyst?
Data Analysis and Interpretation
1. What is your experience with data analysis tools like Excel, SQL, or Tableau?
2. How would you approach analyzing a large dataset to identify trends and patterns?
3. Can you explain the concept of correlation versus causation?
4. How do you handle missing or incomplete data?
5. Can you walk me through a time when you had to interpret complex data results?
Technical Skills
1. Write a SQL query to extract data from a database.
2. How do you create a pivot table in Excel?
3. Can you explain the difference between a histogram and a box plot?
4. How do you perform data visualization using Tableau or Power BI?
5. Can you write a simple Python or R noscript to manipulate data?
Statistics and Math
1. What is the difference between mean, median, and mode?
2. Can you explain the concept of standard deviation and variance?
3. How do you calculate probability and confidence intervals?
4. Can you describe a time when you applied statistical concepts to a real-world problem?
5. How do you approach hypothesis testing?
Communication and Storytelling
1. Can you explain a complex data concept to a non-technical person?
2. How do you present data insights to stakeholders?
3. Can you walk me through a time when you had to communicate data results to a team?
4. How do you create effective data visualizations?
5. Can you tell a story using data?
Case Studies and Scenarios
1. You are given a dataset with customer purchase history. How would you analyze it to identify trends?
2. A company wants to increase sales. How would you use data to inform marketing strategies?
3. You notice a discrepancy in sales data. How would you investigate and resolve the issue?
4. Can you describe a time when you had to work with a stakeholder to understand their data needs?
5. How would you prioritize data projects with limited resources?
Behavioral Questions
1. Can you describe a time when you overcame a difficult data analysis challenge?
2. How do you handle tight deadlines and multiple projects?
3. Can you tell me about a project you worked on and your role in it?
4. How do you stay up-to-date with new data tools and technologies?
5. Can you describe a time when you received feedback on your data analysis work?
Final Questions
1. Do you have any questions about the company or role?
2. What do you think sets you apart from other candidates?
3. Can you summarize your experience and qualifications?
4. What are your long-term career goals?
Hope this helps you 😊
❤10🔥2👍1