mysql> CREATE TABLE tb1(? ? -> username VARCHAR(20),? ? -> salary FLOAT(8，2) UNSIGNED,? ? -> );ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '，2) UNSIGNED,)' at line 3這是什么情況
為什么會(huì)發(fā)生這樣的錯(cuò)誤 跟老師敲得一模一樣啊
惠祎說(shuō)除了生死都是小事丶
2017-03-28 14:52:15
