Path: csiph.com!usenet.pasdenom.info!weretis.net!feeder4.news.weretis.net!feeds.phibee-telecom.net!newsfeed.xs4all.nl!newsfeed4a.news.xs4all.nl!xs4all!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.015 X-Spam-Evidence: '*H*': 0.97; '*S*': 0.00; 'that?': 0.05; '21,': 0.07; "subject:' ": 0.07; 'cc:addr:python-list': 0.11; 'concurrency': 0.16; 'concurrent': 0.16; 'finney': 0.16; 'from:addr:rosuav': 0.16; 'from:name:chris angelico': 0.16; 'metadata.': 0.16; 'rdbms': 0.16; 'subject:dates': 0.16; 'subject:sqlite3': 0.16; 'tables,': 0.16; 'sat,': 0.16; 'wrote:': 0.18; 'feb': 0.22; 'cc:addr:python.org': 0.22; 'paul': 0.24; 'cc:2**0': 0.24; 'tables': 0.26; 'header:In-Reply-To:1': 0.27; 'fixed': 0.29; 'am,': 0.29; "doesn't": 0.30; 'message-id:@mail.gmail.com': 0.30; 'that.': 0.31; 'commonly': 0.31; 'default,': 0.31; 'writes:': 0.31; 'critical': 0.32; 'subject: (': 0.35; 'received:google.com': 0.35; 'there': 0.35; 'possible': 0.36; 'turn': 0.37; 'ben': 0.38; 'even': 0.60; 'ago,': 0.61; 'more': 0.64; 'lose': 0.68; '2015': 0.84; 'lighter': 0.84; 'loses': 0.84; 'transactions': 0.91; 'to:none': 0.92; 'catalog': 0.93 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:cc :content-type; bh=hp3KjR/H7Z6hu1kHv6jjQYBcy23gDCXdim1NeYqMA6Q=; b=bEOw8wIWxcjVQpErpeJGPvCX3SnvTFhnLuy/YOeg6crwEFYdDdjgAsA0xt9NOvIAKR hONons3IiehVnPIhfQQGMpSV1Y6UG5aHO+BeambHJchPZfgm252OPc0qNvqKjI30480B vovdm1HBND8kZoVy+no9kkg4oUK01zfi4LbcrCZh2vBG1VsaUer1jw/9RRu0FXEk9H09 QqER03SUIckFML6aoWgkheD4xLg7npDetiM9go7T1x+Eyb6xDgms8NPqYTisXOeNGCnH HWDnNRpbM72W+LB8tOOvW964SmFQX8ntvyf5cBlZu3uLdUWcqbBNXz5XHJMUTu0PGuzC MEhA== MIME-Version: 1.0 X-Received: by 10.42.13.193 with SMTP id e1mr780698ica.59.1424481866344; Fri, 20 Feb 2015 17:24:26 -0800 (PST) In-Reply-To: <87a908e0zh.fsf@jester.gateway.pace.com> References: <4154cc37-0bb0-4bf2-a52c-b728c737357c@googlegroups.com> <54E517B4.4000409@stoneleaf.us> <87a908e0zh.fsf@jester.gateway.pace.com> Date: Sat, 21 Feb 2015 12:24:26 +1100 Subject: Re: 'Lite' Databases (Re: sqlite3 and dates) From: Chris Angelico Cc: "python-list@python.org" Content-Type: text/plain; charset=UTF-8 X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 14 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1424481869 news.xs4all.nl 2910 [2001:888:2000:d::a6]:60897 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:86005 On Sat, Feb 21, 2015 at 8:17 AM, Paul Rubin wrote: > Ben Finney writes: >> I don't know of a free-software concurrent RDBMS which can be considered >> lighter than that. (No, MySQL doesn't count; its concurrency is >> *unreliable* and it commonly loses data silently. Don't use MySQL.) > > I thought they fixed MySQL transactions years ago, with the InnoDB > engine. For some reason it's not the default, so you have to turn it on > explicitly: is there more to it than that? Even if you use InnoDB for all of _your_ tables, the system catalog tables will all be MyISAM. So it's possible to lose critical metadata. ChrisA