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我正在努力让 SQL 语句运行。
我需要有一个and/or声明,它给了我:
and
or
Where Condition 1 is true OR Where both Condition 2 AND Condition 3 are true. (not only one of them)
欣赏一些想法:)
你可以用括号将它们分开,你也只需要定义一次'WHERE'。例子:
WHERE {condition_1} or ({condition_2} and {condition_3})
编辑:从技术上讲,由于 AND 的优先级高于 OR,因此您不需要括号,但它使您更容易阅读和一目了然地了解您正在尝试做什么。