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Create Procedure getBooksByUserName
@UserName nvarchar(50)
as
Begin
Select u.full_name,b.title
From Users u join checkouts c on u.id=c.user_id join books b on c.book_id=b.id
where u.full_name=@UserName
End
Execute getBooksByUserName 'Neelesh'
Question 2:
With output variable:
Create Procedure getCountBooksByUserName
@UserName nvarchar(50),
@BookCount int Output
as
Begin
Select @BookCount=COUNT(b.id)
From Users u join checkouts c on u.id=c.user_id join books b on c.book_id=b.id
where u.full_name=@UserName
group by u.full_name
End
Declare @BookTotal int
Execute getCountBooksByUserName 'Neelesh', @BookTotal output
Print @BookTotal
With return statement:
Create Procedure getCountBooksByUserNameR
@UserName nvarchar(50)
as
Begin
Return(Select COUNT(b.id)
From Users u join checkouts c on u.id=c.user_id join books b on c.book_id=b.id
where u.full_name=@UserName
group by u.full_name)
End
Declare @BookTotal int
Execute @BookTotal=getCountBooksByUserNameR 'Neelesh'
Print @BookTotal
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