When working out the storage requirements on a per-row basis, how is the size of the NULL bitmap determined?
I know that there are
asked Apr 21, 2011 at 02:04 AM in Default
Matt Whitfield ♦♦
According the MSDN, there are the 2 bytes alwas: Null_Bitmap = 2 + ((Num_Cols + 7) / 8)
[Estimating the Size of a Clustered Index]: http://msdn.microsoft.com/en-us/library/ms178085.aspx
answered Apr 21, 2011 at 02:47 AM