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Oliver Buchannon
DEEP CHATTERJEE

Data Analyst

The SQL Survival List

Feb 14, 2026

•

3 min read

The SQL Survival List

10 queries separating average analysts from dangerous ones

DEEP CHATTERJEE
DEEP CHATTERJEE
Stop Making Users Decode Colors

Feb 7, 2026

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2 min read

Stop Making Users Decode Colors

Why legends are lazy design (and what to do instead)

DEEP CHATTERJEE
DEEP CHATTERJEE
Nobody Hovers Anymore

Jan 31, 2026

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2 min read

Nobody Hovers Anymore

Why direct labeling beats tooltips every single time

DEEP CHATTERJEE
DEEP CHATTERJEE

Data Analyst

Your Y-Axis Is Destroying Trust

Jan 24, 2026

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2 min read

Your Y-Axis Is Destroying Trust

Why starting at zero isn't optional anymore

DEEP CHATTERJEE
DEEP CHATTERJEE

Data Analyst

Stop Using So Many Colors

Jan 16, 2026

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2 min read

Stop Using So Many Colors

The 60-30-10 rule that separates pros from amateurs

DEEP CHATTERJEE
DEEP CHATTERJEE

Data Analyst

The Ownership Problem

Jan 3, 2026

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2 min read

The Ownership Problem

data fails when responsibility is unclear

DEEP CHATTERJEE
DEEP CHATTERJEE
The Great Excel Wake-Up

Dec 14, 2025

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2 min read

The Great Excel Wake-Up

why 2025 analysts need more than formulas

DEEP CHATTERJEE
DEEP CHATTERJEE

Data Analyst

How to Become a Top 1% Data Analyst in 2025

Nov 22, 2025

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3 min read

How to Become a Top 1% Data Analyst in 2025

DEEP CHATTERJEE
DEEP CHATTERJEE

Data Science

🚀 Entry-Level Data & AI Jobs for Freshers in 2025

Oct 11, 2025

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2 min read

🚀 Entry-Level Data & AI Jobs for Freshers in 2025

DEEP CHATTERJEE
DEEP CHATTERJEE
5 Excel Hacks That Make Analysts Stand Out

Aug 27, 2025

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2 min read

5 Excel Hacks That Make Analysts Stand Out

DEEP CHATTERJEE
DEEP CHATTERJEE

Data Science

5 Free Data Science Books That Actually Made Me Better

Aug 27, 2025

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3 min read

5 Free Data Science Books That Actually Made Me Better

DEEP CHATTERJEE
DEEP CHATTERJEE

Data Analyst

7 ChatGPT Prompts I Use Daily as a Data Analyst

Aug 27, 2025

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3 min read

7 ChatGPT Prompts I Use Daily as a Data Analyst

DEEP CHATTERJEE
DEEP CHATTERJEE

Data Analyst

Cheat Codes I Wish I Knew Earlier as a Data Analyst

Aug 27, 2025

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3 min read

Cheat Codes I Wish I Knew Earlier as a Data Analyst

DEEP CHATTERJEE
DEEP CHATTERJEE

Data Science

Choosing Between Data, ML, and Software Careers

Aug 27, 2025

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3 min read

Choosing Between Data, ML, and Software Careers

DEEP CHATTERJEE
DEEP CHATTERJEE

Data Science Pain Points

Recruiters Are Looking for You

Aug 27, 2025

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3 min read

Recruiters Are Looking for You

DEEP CHATTERJEE
DEEP CHATTERJEE

Data Analyst

💤 The Lazy Analyst’s Workflow

Aug 27, 2025

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2 min read

💤 The Lazy Analyst’s Workflow

How to Save Hours and Still Deliver Better Insights

DEEP CHATTERJEE
DEEP CHATTERJEE

Data Analyst

5 Cool Data Careers (That Aren’t Data Science) – Free Ways to Learn

Aug 22, 2025

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3 min read

5 Cool Data Careers (That Aren’t Data Science) – Free Ways to Learn

📱 Read This if You Want a Data Job (But Not the Typical One)

DEEP CHATTERJEE
DEEP CHATTERJEE

Data Analyst

🛠️ 7 Tools Every Data Analyst Should Know

Aug 22, 2025

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2 min read

🛠️ 7 Tools Every Data Analyst Should Know

DEEP CHATTERJEE
DEEP CHATTERJEE

Data Science

🎯 Data Science Interview Prep Guide [2025]

Aug 22, 2025

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3 min read

🎯 Data Science Interview Prep Guide [2025]

DEEP CHATTERJEE
DEEP CHATTERJEE

Data Science Pain Points

📊 From Scattered Feedback to Real Product Decisions

Aug 22, 2025

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3 min read

📊 From Scattered Feedback to Real Product Decisions

DEEP CHATTERJEE
DEEP CHATTERJEE

Data Science Pain Points

📉 Why ‘Accuracy’ Is Wrecking Your Project

Aug 22, 2025

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2 min read

📉 Why ‘Accuracy’ Is Wrecking Your Project

High accuracy can still mean a terrible model.

DEEP CHATTERJEE
DEEP CHATTERJEE

Data Science Pain Points

📊 Why You’re Always Rewriting That Same Plot

Aug 22, 2025

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2 min read

📊 Why You’re Always Rewriting That Same Plot

Repetitive plotting wastes your time. Here’s how to fix it.

DEEP CHATTERJEE
DEEP CHATTERJEE

Data Science Pain Points

🚀 You Trained the Model. Now What?

Aug 22, 2025

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2 min read

🚀 You Trained the Model. Now What?

Training is step one. Deploying is the real challenge.

DEEP CHATTERJEE
DEEP CHATTERJEE

Data Science Pain Points

📄 No One’s Reading Your Data Dictionary

Aug 7, 2025

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2 min read

📄 No One’s Reading Your Data Dictionary

If it’s hard to read or hard to find, it’s not helping anyone.

DEEP CHATTERJEE
DEEP CHATTERJEE

Data Science

Top 10 YouTube Channels to Learn Big Data (Free & Easy)

Jul 22, 2025

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2 min read

Top 10 YouTube Channels to Learn Big Data (Free & Easy)

Start learning Big Data on YouTube—these top channels make it simple, even for beginners.

DEEP CHATTERJEE
DEEP CHATTERJEE
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