多个AND条件MySQL

Question

如何在一个子句中有多个AND条件？像SELECT * FROM database WHERE x=x,y=y AND z=z我试过了，它不起作用。谢谢。

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