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snipersong
V2EX  ›  问与答

sql 疑惑求解答

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  •   snipersong · Oct 10, 2019 · 1648 views
    This topic created in 2404 days ago, the information mentioned may be changed or developed.

    select COUNT(*) FROM pos_billstate b WHERE Covert(VARCHAR,b.doneTime,120) LIKE '2019-06-10%'

    为什么要转一下,而且要用 like 去查

    1 replies    2019-10-10 18:58:53 +08:00
    Athrob
        1
    Athrob  
       Oct 10, 2019 via iPhone
    日期里包含时间,这样目的是查 2019-06-10 这一天的数据,应该还有别的方式过滤日期,看下手册。
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