blog/shu-ju-ku-biao-zhi-cun-shi-jian-chuo-,-dai-zhu-jian-de-biao-geng-da/ #7
giscus[bot]
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已經優化到這種地步了嗎害怕。 雖然帶索引的更小，那哪個查起來更快捏 |
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blog/shu-ju-ku-biao-zhi-cun-shi-jian-chuo-,-dai-zhu-jian-de-biao-geng-da/
同样的两张表,一张单timestamp列,另一张主键列+timestamp列,哪张占用空间更大?
https://blog.llma.dev/blog/shu-ju-ku-biao-zhi-cun-shi-jian-chuo-,-dai-zhu-jian-de-biao-geng-da/
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