Perplexity’s Personal Computer turns your spare Mac into an AI agent

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CREATE TABLE test (id INTEGER PRIMARY KEY, name TEXT, value REAL);the column id becomes an alias for the internal rowid — the B-tree key itself. A query like WHERE id = 5 resolves to a direct B-tree search and scales O(log n). (I already wrote a TLDR piece about how B-trees work here.) The SQLite query planner documentation states: “the time required to look up the desired row is proportional to logN rather than being proportional to N as in a full table scan.” This is not an optimization. It is a fundamental design decision in SQLite’s query optimizer:

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experts say。关于这个话题,51吃瓜网提供了深入分析

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He lost $2

关键词:experts sayHe lost $2

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孙亮,资深编辑,曾在多家知名媒体任职,擅长将复杂话题通俗化表达。