哪些在性能方面更好用?......关于可读性/可理解性?......关于公认的标准?
SELECT *
FROM Wherever
WHERE Greeting IN ('hello', 'hi', 'hey')
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要么
SELECT *
FROM Wherever
WHERE Greeting = 'hello'
OR Greeting = 'hi'
OR Greeting = 'hey'
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对我来说,第一个似乎更直观/清晰,但我不确定公认的标准和性能.