On Fri, Aug 17, 2007 at 10:22:55PM +0800, Phoenix Kiula wrote: > Wow, smartest advice of the day! Yes, a lot of our data in that column > has dots and numbers (800,000 compared to 6 million), so I wanted to > get only to the stuff that was pure alphabets, but just didn't think > of how. what i really meant was: check how many record will actually be modified - i.e. contain upper-case letters. the fact that some records contain only dots and digits is nice, but i suspect that you also have a lot of record with only lower-case letters in the field. or am i wrong? depesz -- quicksil1er: "postgres is excellent, but like any DB it requires a highly paid DBA. here's my CV!" :) http://www.depesz.com/ - blog dla ciebie (i moje CV) ---------------------------(end of broadcast)--------------------------- TIP 6: explain analyze is your friend