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    Data Crafters Lab


    Unlocking Insights through Data Craftsmanship
    • Building RAG Applications with CockroachDB

      From Naive RAG to Agentic RAG — a complete tutorial using LangChain, Memori, GCP Vertex AI, and Amazon Bedrock

      Posted on February 20, 2026

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      Large Language Models (LLMs) are transforming how we build intelligent applications, but they carry a fundamental limitation: their knowledge is frozen at training time. Ask a model about your internal documentation, your product catalogue, or last week’s incident report and it will either refuse or hallucinate a plausible-sounding answer. [Read More]
      Tags:
      • Artificial Intelligence
      • CockroachDB
      • GenAI
      • RAG
      • Memori
      • LangChain
    • Online Recommendation Engines with CockroachDB

      Building personalized recommendation systems with CockroachDB's native vector capabilities

      Posted on December 27, 2025

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      Recommendation engines have gained immense importance in today’s digital landscape. As global competition intensifies, businesses frequently leverage recommendation systems to enhance user experiences, drive engagement, and boost revenue. [Read More]
      Tags:
      • Artificial Intelligence
      • CockroachDB
      • GenAI
      • vector search
      • recommendation engine
      • embeddings
    • Real-Time Indexing for Billions of Vectors

      How we built fast, fresh vector indexing at scale in CockroachDB

      Posted on November 23, 2025

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      In a past life, I worked on an app that let users upload and share photos with friends and family. I’m amazed at how far technology has progressed since that time. It feels like magic that AI can “look” at a set of photos and “know” that they were taken... [Read More]
      Tags:
      • Artificial Intelligence
      • CockroachDB
      • GenAI
      • vector search
      • vector indexing
      • pgvector
      • C-SPANN
    • Getting Started with GenAI Using CockroachDB

      Posted on October 5, 2025

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      Information today is generated and consumed in unprecedented magnitudes. With every click, swipe, and transaction, massive amounts of data are collected, waiting to be harnessed for insights, decision-making, and innovation. Today, more than 80% of the data that organizations generate is unstructured – and the amount of this data type... [Read More]
      Tags:
      • Artificial Intelligence
      • CockroachDB
      • GenAI
      • vector embeddings
      • vector search
      • LLM
      • pgvector
      • RAG
    • Consistency Beyond the Database

      Managing Permissions and Policy in a Distributed World

      Posted on August 4, 2025

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      In the early years of computing, “consistency” had a clear home: the database. If your transactions were atomic and your indexes balanced, you could sleep at night knowing your system was sound. [Read More]
      Tags:
      • iam
      • security
      • CockroachDB
      • AuthZed
      • SpiceDB
      • authorization
      • distributed SQL
      • permissions
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    Amine El Kouhen - Data Crafters Lab  •  2026

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