语法

DELETE FROM table_name [WHERE Clause]

例子

//结构
CREATE TABLE `user`  (
  `id` int(11) UNSIGNED NOT NULL AUTO_INCREMENT,
  `name` varchar(10) NOT NULL,
  `sex` tinyint(4) NOT NULL,
  `tel` char(11) NOT NULL,
  PRIMARY KEY (`id`)
)ENGINE=InnoDB DEFAULT CHARACTER SET utf8;

//删除数据
DELETE FROM `user` WHERE `id`='1';