Not any hair left to pull out. I am enjoying the banter and learning at the same time.
Keep it coming! -= Mike Sent from my BlackBerry device on the Rogers Wireless Network -----Original Message----- From: Pete <[email protected]> Sender: [email protected] Date: Wed, 21 Dec 2011 10:35:26 To: How to use LiveCode<[email protected]> Reply-To: How to use LiveCode <[email protected]> Subject: Re: Database syntax I think the guy who asked the original question must be tearing his hair out by now! One thing I mentioned earlier that might be relevant to him is that there's no need to use blobs when storing LC arrays. Just use base64 encoding and store it in a text field, works fine. Some folks on this list pointed me in that direction a few months back. On Wed, Dec 21, 2011 at 12:48 AM, Bernard Devlin <[email protected]> wrote: > Actually, this was precisely the situation in which multiple LC > arrays, being used as "tables", where the array key was the primary > key of the "table", and joining these "tables" was far faster to do > using LC arrays than any in-memory SQL database. Admittedly these > were only 2-way and 3-way joins, so _maybe_ if they were 7-way joins I > might not have seen the same performance difference. > > If you need a RDBMS (and integrity checks, triggers, etc), then you > probably do need it -- there's no point in re-inventing the wheel. > But if you need to just store a list of blobs, then an array with > pointers to blobs on the filesystem might still be much faster (and > much simpler). > > I'm not opposed to RDBMS per se. In my time, I've used Oracle, > Firebird, Frontbase, Postgresql, Openbase, HSQL, Valentina and Sqlite, > and I still use some of those if the situation needs it. > > Bernard > > On Wed, Dec 21, 2011 at 2:25 AM, Pete <[email protected]> wrote: > > But as soon as you get into multiple datasets with links between them or > > multiple ways to access one dataset or multiple users accessing the same > > data, there's a strong justification to use a database unless the > > performance/memory issues are so bad that you can't deal with them > (which I > > find difficult to believe). > > _______________________________________________ > use-livecode mailing list > [email protected] > Please visit this url to subscribe, unsubscribe and manage your > subscription preferences: > http://lists.runrev.com/mailman/listinfo/use-livecode > > -- Pete Molly's Revenge <http://www.mollysrevenge.com> _______________________________________________ use-livecode mailing list [email protected] Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode _______________________________________________ use-livecode mailing list [email protected] Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode
