A.SELECT*FROM STUDENT WHERE LEFT(姓名,2)=“王”
B.SELECT*FROM STUDENT WHERE RIGHT(姓名,2)=“王”
C.SELECT*FROM STUDENT WHERE TRIM(姓名,2)=“王”
D.SELECT*FROM STUDENT WHERE STR(姓名,2)=“王”
[单选题]使用SQL语句从表STUDENT中查询所有姓王的同学的信息,正确的命令是:______。A.SELECT*FROM STUDENT WHERE LEFT(姓名,2)=“王”B.SELECT*FROM STUDENT WHERE RIGHT(姓名,2)=“王”C.SELECT*FROM STUDENT WHERE TRIM(姓名,2)=“王”D.SELECT*FROM STUDENT WHERE STR(姓名,2)=“王”
[单选题]使用SQL语句从表STUDENT中查询所有姓王的同学的信息,正确的命令是:A)SELECT*FROM STUDENT WHERE LEFT(姓名,2)=“王”B)SELECT*FROM STUDENT WHERE RIGHT(姓名,2)=“王”C)SELECT*FROM STUDENT WHERE TRIM(姓名,2)=“王”D)SELECT*FROM STUDENT WHERE STR(姓名,2)=“王”
[单选题]在学生表STUD中查询所有姓张的学生的信息,使用的SQL语句是______。A.SELECT * FROM STUD WHERE 姓名LIKE“张%”B.SELECT * FROM STUD WHERE 姓名IN(“张%”)C.SELECT * FROM STUD WHERE 姓名LIKE“张$”D.SELECT * FROM STUD WHERE 姓名IN(“张$)”
[单选题]在学生表STUD中查询所有姓张的学生的信息,使用的SQL语句是______。A.SELECT*FROM STUD WHERE 姓名 LIKE"张%”B.SELECT*FROM STUD WHERE 姓名 IN("张%")C.SELECT*FROM STUD WHERE 姓名 LIKE"张$"D.SELECT*FROM STUD WHERE 姓名 IN"张$)"
[试题]查询“学生”表中所有姓“张”的学生记录,完成下列SQL语句:SELECT*FROM学生成绩WHERE姓名______"张%"
[单选题]从student表删除年龄大于30的记录的正确SQL命令是A.DELETE FOR年龄>30B.DELETE FROM student WHERE年龄>30C.DELETE student FOR年龄>30D.DELETE student WHERE年龄>30
[单选题]从student表删除年龄大于30的记录的正确SQL命令是( )。A.DELETEFOR年龄>30B.DELETEFROMstudentWHERE年
[单选题]从student表删除年龄大于30的记录的正确SQL命令是( )。A. DELETE FOR年龄>30B. DELETE FROM student WHERE年龄>30C. DELETE student FOR年龄>30D. DELETE student WHERE年龄>30
[单选题]从student表删除年龄大于30的记录的正确SQL命令是( )。A. DELETE FOR年龄>30B. DELETE FROM student WHERE年龄>30C. DELETE student FOR年龄>30D. DELETE student WHERE年龄>30
[单选题]用SQL语句将STUDENT表中字段“年龄”的值加1,可以使用的命令是A.)UPDATE STUDENT SET年龄=年龄+1B.) UDDATE STUDENT年龄WITH年龄+1C.)REPLACE STUDENT年龄=年龄+1D.)REPLACE STUDENT年龄WITH年龄+1