SQL Server: What are batching statements (i.e. using “GO”) good for?

Question

I know that in SQL Server GO is considered a batch separator.

My question is: What is the point of having a batch separator? What benef

Answer 1

Like Martain said, statements such as CREATE PROCEDURE must be the only ones in a batch.

For example, I use batch separators whenever I create stored procedures and add permissions to a certain user. If I left out the 'go' then I would end up with a stored procedure that grants rights every time it runs. This way I can write them at the same time and be sure that I'm not writing stored procedures that break when I call them. For example

create procedure [procedurename]
(parameters)
as begin

select prefname, lastname from people

end

go

grant execute on [procedurename] to [username]