On 5/15/07, Jason Pinnix <[EMAIL PROTECTED]> wrote:
Does the bitmap index not store a bit vector for the NULL value (i.e. a bit vector that contains a 1 for each row with a NULL value and 0 for other rows) ?
You should be able to do this with a conditional index: create index ... (col) where col is null; Alexander. ---------------------------(end of broadcast)--------------------------- TIP 1: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [EMAIL PROTECTED] so that your message can get through to the mailing list cleanly