王某买了一件美术作品原件，则他享有该美术作品的（10）。A.著作权B.所有权C.展览

A、Select email from student where email !=null

B、Select email from student where email not is null

C、Select email from student where email <> null

D、Select email from student where email is not null

A.Select email from student where email !=null

B.Select email from student where email not is null

C.Select email from student where email<>null

D.Select email from student where email is not null

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”

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”

A、SELECT # FROM student

B、SELECT * FROM student

C、SELECT ？ FROM student

D、SELECT _ FROM student

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"

从员工信息表中查询姓名为张红的name字段和email字段的语句是【 】。