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sqlite count(*) 慢,如何优化?Navicat 是如何优化的?

sqlite 单表百万级数据,发现用了 count(*) 就会很慢

但是 一样的查询语句, 用 Navicat 居然查询的很快

请问这是为什么呢?? Navicat 是如何优化 count(*) 查询的呢?


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Navicat作为一个客户端根本没有优化查询的能力,它仅仅无脑将查询发送给sqlite,因此你的提问是不成立的


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