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句に複数のAND条件を含めるにはどうすればよいですか?私がそれを試したようSELECT * FROM database WHERE x=x,y=y AND z=zに、それはうまくいきませんでした。ありがとう。
SELECT * FROM database WHERE x=x,y=y AND z=z
SELECT * FROM table WHERE x=x AND y=y AND z=z
SELECT * FROM database WHERE `x`=x AND `y`=y AND `z`=z