Yeah.. I realized that I was the only one that has already listened to the entire song catalog. But like you said, for most people that won't be the case and I will make my "mark all listened" link only mark the songs listed on the page, not the entire catalog.
Thanks! Mike Barney Boisvert wrote: > Databases are good at storing data. With proper indexing, a few > million rows is nothing. I'd store tracks listened to. Make the > model simpler, speed user creation, and odds are most people are going > to listen to less than 25K distinct songs so it'll require less rows > too. > > --- > Barney Boisvert > bboisv...@gmail.com > http://www.barneyb.com > > On Jan 12, 2009, at 11:37 PM, Mike Soultanian <msoul...@csulb.edu> > wrote: > > >> Hey Everyone, >> I have a project and I'm trying to figure out the best way to go about >> it. What I want to do is keep track of what songs a user has listened >> to and what songs they haven't. The first thing that comes to mind >> is a >> table with song IDs and a table with user IDs and a join table between >> the two that keeps track of what song a user has listened to. With >> 50,000 songs, that could be a lot of records in the join table. Is >> there a more efficient way to tackle this kind of problem? I don't >> think I'll have that many users, but even if I had ten users, that >> table >> could be pretty big. >> >> I'm trying to think if there are any tricks such as whether to store >> if >> a user has listened to a track or store if they haven't. I plan to >> have >> a button called "mark all as listened", which could empty the join >> table >> of any records pertaining to that user if I was storing the tracks >> they >> didn't listen to. So the join table would initially start out very >> large for a user and then drop down... that's just one thought I had. >> >> If anyone has any tricks, I'd appreciate your advise! >> >> Thanks, >> Mike >> >> >> > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Adobe® ColdFusion® 8 software 8 is the most important and dramatic release to date Get the Free Trial http://ad.doubleclick.net/clk;207172674;29440083;f Archive: http://www.houseoffusion.com/groups/cf-talk/message.cfm/messageid:317954 Subscription: http://www.houseoffusion.com/groups/cf-talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
