更新时间:2023-11-09 11:26:04
当您进行 Cross join 时,您将获得笛卡尔积.第一个表中的每一行都与第二个表中的每一行相匹配
When you do Cross join you will get cartesian product. Each row in the first table is matched with every row in the second table
笛卡尔积和交叉连接有什么区别?