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create procedure spInstructorsForDepartment
as
Begin
select i.InstructorName as Instructor,d.DepartmentName as Department
from Instructor i, Department d
where i.DepartmentId = d.DepartmentId
order by Department
end
exec spInstructorsForDepartment
--------------------------Solution2--------------------------------
create procedure spStudentsEnrolledInCourses
@Course varchar(50)
as
Begin
select s."Name" from Student s
inner join Course c
on s.StudentId = c.StudentId
where c.CourseName = @Course
end
exec spStudentsEnrolledInCourses 'HTML'
-------------------------Solution 3---------------------------
create procedure spNoOfStudentsInCourse
@Course varchar(50),
@StudentCount int output
as
Begin
select COUNT(*) as "No Of Students" from Student s
inner join Course c
on s.StudentId = c.StudentId
where c.CourseName = @Course
end
declare @Count int
exec spNoOfStudentsInCourse 'C#', @Count
print @Count
-------------------------------solution3 using return--------------------
create procedure spNoOfStudentsInCourseUsingReturn
@Course varchar(50)
as
Begin
return(
select COUNT(*) as "No Of Students" from Student s
inner join Course c
on s.StudentId = c.StudentId
where c.CourseName = @Course)
end
declare @No int
execute @No = spNoOfStudentsInCourseUsingReturn 'C#'
Select @No as NumberOfStudents
-------------------------own procedure1--------------------
create procedure spWhichInstructorWhichCourse
@Instructorname varchar(50)
as
begin
select c.CourseName from Course c
inner join Instructor i
on c.InstructorId = i.InstructorId
where i.InstructorName = @Instructorname
end
exec spWhichInstructorWhichCourse 'Sachin'
--------------------own procedure2---------------------
create procedure spWhichInstructorHowManyCourses
@Instructorname varchar(50)
as
begin
select count(*) as "No of Courses" from Course c
inner join Instructor i
on c.InstructorId = i.InstructorId
where i.InstructorName = @Instructorname
end
exec spWhichInstructorHowManyCourses 'Sachin'
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