A.SELECT S#,SNAME FROM S WHERE SNAME='李%.'
B.SELECT S#,SNAME FROM S WHERE SNAME LIKE '李%.'
C.SELECT S#,SNAME FROM S WHERE SNAME='%.李%.'
D.SELECT S#,SNAME FROM S WHERE SNAME LIKE '%.李%.'
[单选题]若要求查找“年龄大于18岁学生的学生号和姓名”,正确的SQL语句是( )。A.SELECT S#,SNAME FROM S WHERE AGE>18B.SELECT S#,SNAME FROM S WHERE AGE>=18C.SELECT S#,SNAME FROM S WHERE AGE>'18'D.SELECT S#,SNAME FROM S WHERE AGE>='18'
[单选题]若要求查找姓名中第一个字为“李”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 WHERE SNAME=‘李%’Ⅱ.SELECT S#,SNAME FROM S WIERE SNAME LIKE'李%'Ⅲ.SELECT S#,SNAME FROM S WHERE SNAME LIKE'李_'A.ⅠB.ⅡC.ⅢD.全部
[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( )是正确的。Ⅰ.SELECT S#,SNAME FROM S WHERE SNAME='王%'Ⅱ.SELECT S#,SNAME FROM S WHERE SNAME='王%'Ⅲ.SELECT S#,SNAME FROM S WHERE SNAME LIKE'王_'A.ⅠB.ⅡC.ⅢD.全部
[单选题]若要求查找姓名中第一个字为“刘”的学生号和姓名。下面列出的SQL语句中,正确的是( )。A.SELECT S#,SNAME FROM S WHERE SNAME='刘%.'B.SELECT S#,SNAME FROM S WHERE SNAME='刘_'C.SELECT S#,SNAME FROM S WHERE SNAME LIKE'刘%.'D.SELECT S#,SNAME FROM S WHERE SNAME LIKE'刘_'
[单选题]若要求查找姓名中第一个字为‘刘’的学生号和姓名。下面列出的SQL语句中,哪个是正确的?A.SELECT S#,SNAME FROM SWHERE SNAME=′刘%′B.SELECT S#,SNAME FROM SWHERE SNAME=′刘′C.SELECTS#,SNAMEFROMSWHERESNAMELIKE=′刘%′D.SELECTS#,SNAMEFROMSWHERESNAME=′刘′
[单选题]若要求查找姓名中第一个字为“刘”的学生号和姓名。下面列出的SQL语句中,哪个是正确的?A.SELECT S#,SNAME FROM S WHERE SNAME =′刘%′B.SELECT S#,SNAME FROM S WHERE SNAME =′刘_′C.SELECT S#,SNAME FROM S WHERE SNAME LIKE′刘%′D.SELECT S#,SNAME FROM S WHERE SNAME LIKE′刘_′
[单选题]若要求查找姓名中第一个字为‘刘’的学生号和姓名。下面列出的SQL语句中,哪个是正确的?A.SELECTS#,SNAMEFROMS WHERESNAME='刘%'B.SELECTS#,SNAMEFROMS WHERESNAME='刘_'C.SELECTS#,SNAMEFROMS WHERESNAME LIKE='刘%'D.SELECTS#,SNAMEFROMS WHERESNAME='刘_'
[单选题]查找学生姓名及其所选修课程的课程号和成绩,正确的SQL语句是A.SELECT sname FROM student,SELECT cno,grade FROM sc WHERE student.sno=sc.snoB.SELECT sname,cno,grade FROM student,course WHERE student.sno=course.cnoC.SELECT sname,cname,grade FROM student,course,sc WHERE student.sno=sc
[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_′A.ⅠB.ⅡC.ⅢD.全部
[单选题](40)查找学生姓名及其所选修课程号和成绩,正确的 SQL 语句是A.)SELECT sname FROM student, SELECT cno,grade FROM sc WHERE student.sno =sc.snoB.) FROM sname,cno,grade FROM student,course WHERE student.sno =course.cnoC.) SELECT sname ,canme,grade FROM student,course,sc WHERE stud