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#Databases

2 guides~10 min totalupdated Jul 6, 2026

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CAP Theorem Explained: It Was Never 'Pick Two' (2026)

CAP theorem explained in 2026 — why 'pick two of three' is wrong, the real consistency-vs-availability choice during a partition, PACELC, and what it means for AI systems.

Beginner · 5 min

Software Architecture

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BeginnerSQL vs NoSQL: It's About Access Patterns, Not Scale (2026)SQL vs NoSQL in 2026 — why the real choice is about access patterns and correctness, not scale; the four NoSQL types; and why most systems end up using both.5 min

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