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@CourseN varchar(50),
@StudentN varchar(50) output
as begin
select @StudentN =Name from Student s inner join Course C on s.StudentId=C.StudentId
where CourseName=@CourseN;
end
declare @StN varchar(50)
exec spStudentCourse1'C++', @StN output
Select @StN
2.
create procedure spStudentCourse1
@CourseN varchar(50),
@StudentN varchar(50) output
as begin
select @StudentN =Name from Student s inner join Course C on s.StudentId=C.StudentId
where CourseName=@CourseN;
end
declare @StN varchar(50)
exec spStudentCourse1'C++', @StN output
Select @StN
3.
create procedure spStudentCourseN2
@CourseN varchar(50),
@StudentN int output
as begin
select @StudentN =Count(Name) from Student s inner join Course C on s.StudentId=C.StudentId
where CourseName=@CourseN;
end
declare @StN int
exec spStudentCourseN2'C++', @StN output
print @StN
4.
create procedure spStudentCourseN1
@CourseN varchar(50)
as
Begin
return (Select Count(Name) from Student s inner join Course C on s.StudentId=C.StudentId
where CourseName=@CourseN)
end
declare @StN int
exec @StN=spStudentCourseN1 'C++'
print @StN
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