【单选题】若要求查找姓名中第一个字为,王,的学号和姓名。下面列出的SQL语句中,哪个(些)是正确的? ( ) Ⅰ.SELECT S#,SNAME FROM S WHERE SNAME='王%' Ⅱ.SELECT S#,SNAME FROM S WHERE SNAME LIKE='王%' Ⅲ.SELECT S#,SNAME FROM S WHERE SNAME LIKE='王%'
【单选题】若要求查找姓名中第一个字为'王'的学生号和姓名。下面列出的SQL语句中,哪个(些)是正确的? Ⅰ.SELECT S#,SNAME FROM S WHERESNAME=′王%′ Ⅱ.SELECT S#,SNAME FROM S WHERE SNAME LIKE′王%′ Ⅲ.SELECT S#,SNAME FROM S WHERE SNAME LIKE′王_′