多个AND条件MySQL

Question

如何在子句中包含多个AND条件？就像SELECT * FROM database WHERE x=x,y=y AND z=z我试过的那样，它没有用。感谢。

Answer 1

SELECT * FROM table WHERE x=x AND y=y AND z=z

Answer 2

SELECT * FROM database WHERE `x`=x AND `y`=y AND `z`=z