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Introduction to Vector Databases using ChromaDB
In the previous embeddings tutorial series, we built a semantic search system that could find relevant research papers based on meaning rather than keywords. We generated embeddings for 500 arXiv...
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10 Best Data Science Certifications in 2026
Data science certifications are everywhere, but do they actually help you land a job? We talked to 15 hiring managers who regularly hire data analysts and data scientists. We asked them what they look...
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13 Best Data Analytics Bootcamps – Cost, Curriculum, and Reviews
Data analytics is one of the hottest career paths today. The market is booming, growing from \$82.23 billion in 2025 to an expected \$402.70 billion by 2032. That growth means opportunities everywhere....
View ArticleDocument Chunking Strategies for Vector Databases
In the previous tutorial, we built a vector database with ChromaDB and ran semantic similarity searches across 5,000 arXiv papers. Our dataset consisted of paper abstracts, each about 200 words long....
View ArticleMetadata Filtering and Hybrid Search for Vector Databases
In the first tutorial, we built a vector database with ChromaDB and ran semantic similarity searches across 5,000 arXiv papers. We discovered that vector search excels at understanding meaning: a query...
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Dataquest vs DataCamp: Which Data Science Platform Is Right for You?
You're investing time and money in learning data science, so choosing the right platform matters. Both Dataquest and DataCamp teach you to code in your browser. Both have exercises and projects. But...
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Best Data Analytics Certifications for 2026
You’re probably researching data analytics certifications because you know they could advance your career. But choosing the right one is genuinely frustrating. Dozens of options promise results, but...
View ArticleSQL Operators: 6 Different Types (w/ 45 Code Examples)
SQL operators are the building blocks behind almost every SQL query you’ll ever write. Whether you’re filtering rows, comparing values, performing calculations, or matching text patterns, operators are...
View ArticleProduction Vector Databases
Previously, we saw something interesting when we added metadata filtering to our arXiv paper search. Filtering added significant overhead to our queries. Category filters made queries 3.3x slower. Year...
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13 Best Data Engineering Certifications in 2026
Data engineering is one of the fastest-growing tech careers, but figuring out which certification actually helps you break in or level up can feel impossible. You'll find dozens of options, each...
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23 Best Python Bootcamps in 2026 – Prices, Duration, Curriculum
Before choosing a Python bootcamp, it helps to understand which programs are actually worth your time and money. This guide breaks down the best Python bootcamps available in 2026, from affordable...
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DataCamp vs Codecademy: Which Learning Platform Fits Your Goals?
You’re looking at DataCamp and Codecademy, trying to figure out which one actually deserves your time and money. They both teach you to code in your browser. They both have exercises and projects. So...
View ArticleSemantic Caching and Memory Patterns for Vector Databases
Over the past few tutorials, we've built a complete paper search system. We learned how to: Store embeddings efficiently in ChromaDB Chunk documents for better retrieval Filter results with metadata...
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13 Best Machine Learning Bootcamps in 2026
Machine learning is one of the most talked-about skills in tech right now, but it’s also one of the most misunderstood. Job descriptions sound intimidating, roadmaps conflict with each other, and...
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7 Best Data Engineering Bootcamps – Tools, Projects & Career Support
Most data engineering bootcamps sound impressive on paper. But many graduates still struggle to build real data pipelines, explain their design choices, or pass technical interviews. The difference...
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Best SQL Certifications in 2026 ― Cost, Prerequisites, and Impact
Choosing the right SQL certification can advance your data career, but only if you pick one that matches your actual situation. This guide compares 11 SQL certifications across cost, preparation time,...
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DataCamp vs Udemy: Which Learning Platform Fits Your Goals?
You're looking at DataCamp and Udemy, trying to figure out which actually deserves your time and money. Both teach coding in your browser. Both have courses and projects. So what's the real difference?...
View ArticleThe 2026 Data Skills Roadmap
What Actually Matters When Everything Feels Urgent. You open X (or Medium, or LinkedIn, or Bluesky) looking for guidance on learning data science. Instead, you get whiplash. "Learn these 50 AI agents!"...
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15 Best SQL Bootcamps in 2026: Reviews, Prices, and Comparisons
The challenge with learning SQL is not whether you should learn it, but how to learn it well and quickly. Self-teaching is possible, but most people hit walls when queries get complex or when they...
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Best Excel Certifications: Which One Matches Your Goals?
You're probably researching Excel certifications because you need to prove your spreadsheet skills. Maybe you're job hunting and seeing "Excel proficiency required" in postings. Maybe you want to stand...
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