From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=unavailable autolearn_force=no version=3.4.4 Path: eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!news.eternal-september.org!mx02.eternal-september.org!feeder.eternal-september.org!aioe.org!.POSTED!not-for-mail From: "Dmitry A. Kazakov" Newsgroups: comp.lang.ada Subject: Re: Ada package registry? Date: Sun, 7 Feb 2016 09:02:46 +0100 Organization: Aioe.org NNTP Server Message-ID: References: <02241ec4-0f95-4f63-9abc-092f167eb59e@googlegroups.com> <56af17b7$0$301$14726298@news.sunsite.dk> <56b06eb8$0$301$14726298@news.sunsite.dk> <1454483747.2785.135.camel@obry.net> NNTP-Posting-Host: LNA1TkTuMxfwTHzeJdi6nA.user.gioia.aioe.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Complaints-To: abuse@aioe.org User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.5.1 X-Notice: Filtered by postfilter v. 0.8.2 Xref: news.eternal-september.org comp.lang.ada:29389 Date: 2016-02-07T09:02:46+01:00 List-Id: On 2016-02-07 01:16, Jeffrey R. Carter wrote: > Whether selecting desired data from a large data set is easier or faster with a > DBMS or some form of Ada persistent containers is a more interesting question. That depends on the structure of the data. There are operations effective in RA and there are ones awfully slow, e.g. operations on graphs or nearest neighbour search etc. Data are bend to fit into RA to make frequent operation performance tolerable. BTW, the whole idea of exporting something (data) into something (Excel) shows bogus design. Why cannot the end data consumer access data directly? -- Regards, Dmitry A. Kazakov http://www.dmitry-kazakov.de