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常见问题解答

专家怎么看待这一现象？

多位业内专家指出，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:

普通人应该关注哪些方面？

对于普通读者而言，建议重点关注Жители Кубы вышли на ночные протесты с кастрюлями01:06

网友评论

• 专注学习 03-27 17:43

  干货满满，已收藏转发。

• 求知若渴 03-20 17:43

  作者的观点很有见地，建议大家仔细阅读。

• 深度读者 03-23 17:43

  关注这个话题很久了，终于看到一篇靠谱的分析。