Yes! RMOUG Training Days is going to be an incredible event this year! A 2-day conference in Colorado during ski season with a lineup of speakers that rivals the major international conferences, including keynotes by Bill Inmon and Sue Cook! We're going to have a blast; I'm looking forward to meeting you!
on 11/3/03 2:59 AM, Tanel Poder at [EMAIL PROTECTED] wrote: > Hi! > >> Trailing columns with NULL values do not occupy any space, not even a > length >> byte. > > Yep, I missed this one. Also, when few trailing null columns aren't stored > in a row, this particular rows column count is smaller as well, so the > column count in physical table storage can vary... > >> Non-trailing columns with NULL values have a constant value of 0xFF (255) > in >> the length byte consuming just the one byte. > > Yep, and this means that even fixed-length CHAR datatypes don't consume any > space except length byte if they contain nulls. I once saw a recommendation > to store your data in char columns if you don't want to have to worry about > row size changes and PCTFREE setting... which is mostly a stupid suggestion > anyway and doesn't work in case of nulls either. > > Tanel. > P.S. Tim, I assume that we'll meet at RMOUG training days this Feb? > -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Tim Gorman INET: [EMAIL PROTECTED] Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
