We use GUIDs for primary key, which you know is clustered by default.
When inserting a new row into a table it is inserted at a random page in the table (because GUID
About the selected answer. The docs says... The generated Guid will not give you uniqueId between computers if they don't have ehternet access.
If you must know the guid when inserting, couldn't you let Sql-server return a block of sequential guids that you assign to your data before you insert them?
declare @ids table(id uniqueidentifier default NEWSEQUENTIALID(), dummy char(1))
declare @c int
set @c = 0;
while (@c < 100)
begin
insert into @ids (dummy) values ('a');
set @c += 1;
end
select id from @ids