Date: Fri, 11 May 2007 13:34:07 -0400 From: Mike Meyer <mwm-keyword-freebsdhackers2.e313df@mired.org> To: jos@catnook.com Cc: freebsd-hackers@freebsd.org Subject: Re: SQL in the base system (Was: New FreeBSD package system (a.k.a. Daemon Package System (dps))) Message-ID: <17988.43279.93248.608136@bhuda.mired.org> In-Reply-To: <20070511165612.GA48097@lizzy.catnook.local> References: <200705102105.27271.blackdragon@highveldmail.co.za> <f20c8u$htp$1@sea.gmane.org> <4643C7DB.6000408@elischer.org> <f219f6$3ls$1@sea.gmane.org> <17988.35412.231093.411177@bhuda.mired.org> <20070511165612.GA48097@lizzy.catnook.local>
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In <20070511165612.GA48097@lizzy.catnook.local>, Jos Backus <jos@catnook.com> typed: > On Fri, May 11, 2007 at 11:23:00AM -0400, Mike Meyer wrote: > [snip] > > How robust is it - can a corrupt block fry the entire database? > > Dunno, but "Transactions are atomic, consistent, isolated, and durable (ACID) > even after system crashes and power failures.". So it appears to try hard to > minimize the chance of corruption. Right. This is a good thing. However, the db *will* become corrupt. A disk block will fail to read, whatever. The question is asking how much data will be lost outside the corrupt data block? > > How about portability - can I move the file to a completely > > different architecture and still get the data from it? > "Database files can be freely shared between machines with different byte > orders." That sounds like a "somewhat". The desired answer is "If the version of sqllite runs on a platform, all database files will work on it." That they felt the need to point out that they are byte order independent implies that other architectural issues may be a problem. Of course, it could be that nobody has asked the right people that question. > Also, the code is in the public domain. Wow. That's everylicensecompliant. <mike -- Mike Meyer <mwm@mired.org> http://www.mired.org/consulting.html Independent Network/Unix/Perforce consultant, email for more information.
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