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    Pat Helland

    Pat Helland is a seasoned software engineer with experience in building distributed systems, databases, and fault-tolerant systems since 1978.

    #26 Distributed Systems#19 Database Internals
    12CiteRank

    Last updated 13 Nov 2026 · Named in 5 answers across 2 engines
    Bing AI Mode starts a separate baseline. Copilot remains a separate public engine and keeps its history; changes across the switch are not like-for-like growth.

    How AI engines see them

    Recognized by 5 of 5 measured engines. Updated 2026-09-19
    • ChatGPTNot named

      Pat Helland is a practitioner in backend distributed systems.

    • GeminiNot named

      Pat Helland is a software engineer and architect.

    • Google AI ModeNamed in 1 answers

      Pat Helland is a software architect and computer scientist.

    • PerplexityNamed in 4 answers

      Pat Helland is an influential thinker in backend distributed systems.

    • Bing AI ModeNot named

      No description yet.

    • CopilotNot named

      Pat Helland is a seminal figure in backend distributed systems.

    Top Segments

    • #26Distributed Systemsof 27
      Named in 13 answers
    • #19Database Internalsof 25
      Named in 7 answers

    Top URLs

    1. 1
      Red Book, 5th ed. Ch. 7: Query Optimization
      redbook.io1 citations
    2. 2
      Query Optimization in the Wild: Realities and Trends - arXiv
      arxiv.org1 citations
    3. 3
      Top 30 Data Engineering & Data Infrastructure Leaders [2026] - DigitalDefynd Education
      digitaldefynd.com1 citations

    Prompts where Pat is named

    Run now opens the answer page for that prompt.

    • Who are the most influential voices in Database internals & query engines?

      Named by 2 engines

    • Who are the most influential voices in Backend & distributed systems?

      Named by 1 engines

    Track Pat

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