插入记录 INSERT INSERT [INTO] tbl_name [(col_name,...)] {VALUES|VALUE} ({expr|DEFAULT},...),(...),... 插入记录-范例 CREATE TABLE users( id SMALLINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, username VARCHAR(20) NOT NULL, password VARCHAR(32) NOT NULL, age TINYINT UNSIGNED NOT NULL DEFAULT 10, sex BOOLEAN ); //插入几条记录 INSERT users VALUES(NULL,"Tom"