On Fri, 3 Sep 2004 13:06:45 -0400, wrote: >I don't understand.... what do you mean by "trim out the irrelevant"? If >certain columns aren't important then why are they in your tables? I don't >need any data, only the structures. You do know that you don't need to >post to an actual NG to get your message to the list, right?. You only >need to CC your emails to: > >[EMAIL PROTECTED] > >Shawn Green >Database Administrator >Unimin Corporation - Spruce Pine > >"David Rayner" <[EMAIL PROTECTED]> wrote on 09/03/2004 01:02:01 PM: > >> Shawn, >> Will reply directly to NG (just had an access problem today) reason >> am delating post is that one table is huge and I need to >> trim out the irrelevant Thanks so far!!! >> >> > >> > >> > You will normally get better responses if you always CC the list >> in each of your replies (unless you >> > are intentionally going off-list). >> > >> > Yes, it sounds like you are talking about a relationship to me, >> too. If the we had your existing table >> > structures in front of us we could help you to understand just how >> easy this is. This is a very >> > important topic of database design. Please post as soon as you are >able. >> > >> > Shawn Green >> > Database Administrator >> > Unimin Corporation - Spruce Pine >> > >> > "David Rayner" <[EMAIL PROTECTED]>wrote on 09/03/2004 11:15:41 AM: >> > >> > > Shawn, >> > > Will post & email table info later. >> > > >> > > tbl_urldetails is essentially a lookup table containg a list of 30 >or >> > so urls. >> > > >> > > each record in tbl_development references up to 8 of these URLS by >> > > storing the id of the particular record in tbl_urldetails. >> > > >> > > When I retrieve a record from tbl_development, I read the index and >> > > then want to get the full record, I suppose I could do >> > > this by doing a new query of tbl_urldetails (for each referenced >> > > URLid) , but that seems wasteful or is it? >> > > >> > > I suppose I'm talking about is a relationship? >> > > >> > > Surely this a bread and butter thing to do for a database (but I >cant >> > see it?) >> > > >> > > > >> > > > >> > > > You say you have a table that changes how many columns it has? >> > > Please post the results of: >> > > > >> > > > SHOW CREATE TABLE tbl_developent\G >> > > > SHOW CREATE TABLE tbl_urldetails\G (lookup table)
CREATE TABLE `tbl_urldetails` ( intID` int(11) NOT NULL auto_increment, `vtEhouseName` varchar(50) default NULL, `vtBarrattName` varchar(50) default NULL, `vtDescription` text, `vtInternalNote` varchar(50) default NULL, `vtHyperlink` varchar(50) default NULL, `dtmVTLastUpdate` timestamp(14) NOT NULL, `vtRandom` int(3) default NULL, PRIMARY KEY (`intID`)) TYPE=MyISAM CREATE TABLE `tbl_development` ( `intDevID` mediumint(9) unsigned NOT NULL auto_increment, `txtBarrattID` varchar(20) default NULL, `txtDevName` varchar(60) default NULL, `txtDevWebSiteName` varchar(80) default NULL, `dtmDevDate` datetime default NULL, `dtmDevDateLastUpdate` datetime default NULL, `txtDevDivision` varchar(30) default NULL, `txtDevAddress` text, `intDevStage` smallint(6) default NULL, `txtDevPostCode` varchar(20) default NULL, `txtDevCity` varchar(40) default NULL, `txtDevRegion` varchar(40) default NULL, `txtDevPropertyType` varchar(15) default NULL, `txtDevVirtualTourURL` varchar(60) default NULL, `txtDevVirtualTourURL1` varchar(60) default NULL, `txtDevVirtualTourURL2` varchar(60) default NULL, `txtDevVirtualTourURL3` varchar(60) default NULL, `txtDevVirtualTourURL4` varchar(60) default NULL, `txtDevVirtualTourURL5` varchar(60) default NULL, `txtDevVirtualTourURL6` varchar(60) default NULL, `txtDevVirtualTourURL7` varchar(60) default NULL, `txtDevVirtualTourURL8` varchar(60) default NULL, PRIMARY KEY (`intDevID`)) TYPE=MyISAM zzapper (vim, cygwin, wiki & zsh) -- vim -c ":%s%s*%CyrnfrTfcbafbeROenzSZbbyranne%|:%s)[R-T]) )Ig|:norm G1VGg?" http://www.vim.org/tips/tip.php?tip_id=305 Best of Vim Tips -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED]
