<!-- MHonArc v2.4.4 --> <!--X-Subject: Re: [MUD-Dev] World Persistence, flat files v/s DB v/s ?? --> <!--X-From-R13: Uert [hag <tertNhav-pbea.qrzba.pb.hx> --> <!--X-Date: Sun, 22 Mar 1998 19:02:58 +0000 --> <!--X-Message-Id: Pine.LNX.3.91.980322183932.8247G-100000@uni-corn.demon.co.uk --> <!--X-Content-Type: text/plain --> <!--X-Reference: 9803221732.8w2k@ami-cg.GraySage.Edmonton.AB.CA --> <!--X-Head-End--> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> <html> <head> <title>MUD-Dev message, Re: [MUD-Dev] World Persistence, flat files v/s DB v/s ??</title> <!-- meta name="robots" content="noindex,nofollow" --> <link rev="made" href="mailto:greg#uni-corn,demon.co.uk"> </head> <body background="/backgrounds/paperback.gif" bgcolor="#ffffff" text="#000000" link="#0000FF" alink="#FF0000" vlink="#006000"> <font size="+4" color="#804040"> <strong><em>MUD-Dev<br>mailing list archive</em></strong> </font> <br> [ <a href="../">Other Periods</a> | <a href="../../">Other mailing lists</a> | <a href="/search.php3">Search</a> ] <br clear=all><hr> <!--X-Body-Begin--> <!--X-User-Header--> <!--X-User-Header-End--> <!--X-TopPNI--> Date: [ <a href="msg00821.html">Previous</a> | <a href="msg00823.html">Next</a> ] Thread: [ <a href="msg00819.html">Previous</a> | <a href="msg00823.html">Next</a> ] Index: [ <A HREF="author.html#00822">Author</A> | <A HREF="#00822">Date</A> | <A HREF="thread.html#00822">Thread</A> ] <!--X-TopPNI-End--> <!--X-MsgBody--> <!--X-Subject-Header-Begin--> <H1>Re: [MUD-Dev] World Persistence, flat files v/s DB v/s ??</H1> <HR> <!--X-Subject-Header-End--> <!--X-Head-of-Message--> <UL> <LI><em>To</em>: <A HREF="mailto:mud-dev#null,net">mud-dev#null,net</A></LI> <LI><em>Subject</em>: Re: [MUD-Dev] World Persistence, flat files v/s DB v/s ??</LI> <LI><em>From</em>: Greg Munt <<A HREF="mailto:greg#uni-corn,demon.co.uk">greg#uni-corn,demon.co.uk</A>></LI> <LI><em>Date</em>: Sun, 22 Mar 1998 18:41:31 +0100 (GMT+0100)</LI> </UL> <!--X-Head-of-Message-End--> <!--X-Head-Body-Sep-Begin--> <HR> <!--X-Head-Body-Sep-End--> <!--X-Body-of-Message--> <PRE> On Sun, 22 Mar 1998, Chris Gray wrote: > [Ben Greear:] > > :The two things I'm pondering now are binary flat files (one per object, > :a collection of objects?? I dunno) or a database. > > A binary form has the distinct advantage that it is relatively easy to > replace a single entity in the file. With text files, variations in > formatting of things like numbers make that harder. If you need to save > more than one kind of thing in your file (fairly likely!), then you can: > > - have multiple files, one per type of entity > [can be expensive in terms of file handles and space] > - reserve portions of the file for arrays of the different entities > [what happens if you overflow a portion, needing more space?] > - set up means by which varying lengths and types of things can be > interspersed in the file, and properly found and updated. > [can get complicated] > > The third choice is pretty close to writing your own DB system. Any hints and tips on this third choice? References? Web sites? (Good) Books? -- Greg Munt, greg#uni-corn,demon.co.uk; <A HREF="http://www.uni-corn.demon.co.uk/ubiquity/">http://www.uni-corn.demon.co.uk/ubiquity/</A> "Deliver yesterday, code today, think tomorrow." </PRE> <!--X-Body-of-Message-End--> <!--X-MsgBody-End--> <!--X-Follow-Ups--> <HR> <!--X-Follow-Ups-End--> <!--X-References--> <UL><LI><STRONG>References</STRONG>: <UL> <LI><STRONG><A NAME="00819" HREF="msg00819.html">Re: [MUD-Dev] World Persistence, flat files v/s DB v/s ??</A></STRONG> <UL><LI><EM>From:</EM> cg#ami-cg,GraySage.Edmonton.AB.CA (Chris Gray)</LI></UL></LI> </UL></LI></UL> <!--X-References-End--> <!--X-BotPNI--> <UL> <LI>Prev by Date: <STRONG><A HREF="msg00821.html">Jukebox</A></STRONG> </LI> <LI>Next by Date: <STRONG><A HREF="msg00823.html">Re: [MUD-Dev] World Persistence, flat files v/s DB v/s ??</A></STRONG> </LI> <LI>Prev by thread: <STRONG><A HREF="msg00819.html">Re: [MUD-Dev] World Persistence, flat files v/s DB v/s ??</A></STRONG> </LI> <LI>Next by thread: <STRONG><A HREF="msg00823.html">Re: [MUD-Dev] World Persistence, flat files v/s DB v/s ??</A></STRONG> </LI> <LI>Index(es): <UL> <LI><A HREF="index.html#00822"><STRONG>Date</STRONG></A></LI> <LI><A HREF="thread.html#00822"><STRONG>Thread</STRONG></A></LI> </UL> </LI> </UL> <!--X-BotPNI-End--> <!--X-User-Footer--> <!--X-User-Footer-End--> <ul><li>Thread context: <BLOCKQUOTE><UL> <LI><STRONG>Re: [MUD-Dev] Jukebox</STRONG>, <EM>(continued)</EM> <ul compact> <ul compact> <LI><strong><A NAME="00867" HREF="msg00867.html">Re: [MUD-Dev] Jukebox</A></strong>, Vadim Tkachenko <a href="mailto:vt#freehold,crocodile.org">vt#freehold,crocodile.org</a>, Tue 24 Mar 1998, 02:52 GMT </LI> </ul> <LI><strong><A NAME="00854" HREF="msg00854.html">Re: [MUD-Dev] Jukebox</A></strong>, J C Lawrence <a href="mailto:claw#under,engr.sgi.com">claw#under,engr.sgi.com</a>, Mon 23 Mar 1998, 20:34 GMT <UL> <LI><strong><A NAME="00868" HREF="msg00868.html">Re: [MUD-Dev] Jukebox</A></strong>, Vadim Tkachenko <a href="mailto:vt#freehold,crocodile.org">vt#freehold,crocodile.org</a>, Tue 24 Mar 1998, 03:25 GMT </LI> </UL> </LI> </ul> </LI> <LI><strong><A NAME="00819" HREF="msg00819.html">Re: [MUD-Dev] World Persistence, flat files v/s DB v/s ??</A></strong>, Chris Gray <a href="mailto:cg#ami-cg,GraySage.Edmonton.AB.CA">cg#ami-cg,GraySage.Edmonton.AB.CA</a>, Sun 22 Mar 1998, 18:21 GMT <UL> <LI><strong><A NAME="00822" HREF="msg00822.html">Re: [MUD-Dev] World Persistence, flat files v/s DB v/s ??</A></strong>, Greg Munt <a href="mailto:greg#uni-corn,demon.co.uk">greg#uni-corn,demon.co.uk</a>, Sun 22 Mar 1998, 19:02 GMT </LI> <LI><strong><A NAME="00823" HREF="msg00823.html">Re: [MUD-Dev] World Persistence, flat files v/s DB v/s ??</A></strong>, Matt Chatterley <a href="mailto:matt#mpc,dyn.ml.org">matt#mpc,dyn.ml.org</a>, Sun 22 Mar 1998, 19:19 GMT <UL> <LI><strong><A NAME="00852" HREF="msg00852.html">World Persistence, flat files v/s DB v/s ??</A></strong>, s001gmu <a href="mailto:s001gmu#nova,wright.edu">s001gmu#nova,wright.edu</a>, Mon 23 Mar 1998, 19:51 GMT <UL> <LI><strong><A NAME="00884" HREF="msg00884.html">Re: [MUD-Dev] World Persistence, flat files v/s DB v/s ??</A></strong>, Vadim Tkachenko <a href="mailto:vt#freehold,crocodile.org">vt#freehold,crocodile.org</a>, Wed 25 Mar 1998, 05:23 GMT </LI> </UL> </LI> <LI><strong><A NAME="00885" HREF="msg00885.html">Re: [MUD-Dev] World Persistence, flat files v/s DB v/s ??</A></strong>, Vadim Tkachenko <a href="mailto:vt#freehold,crocodile.org">vt#freehold,crocodile.org</a>, Wed 25 Mar 1998, 05:26 GMT </LI> </UL> </LI> </UL> </LI> </UL></BLOCKQUOTE> </ul> <hr> <center> [ <a href="../">Other Periods</a> | <a href="../../">Other mailing lists</a> | <a href="/search.php3">Search</a> ] </center> <hr> </body> </html>