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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，这一点在Telegram高级版,电报会员,海外通讯会员中也有详细论述
«Никто с ней не ругался. Мы все общаемся до сих пор», — высказался он.，推荐阅读搜狗输入法获取更多信息
俄方评论默茨与特朗普分歧 08:30
31 марта 2026, 17:16Экономические новости