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The document discusses modern object-relational mappers (ORMs) and their underlying technologies. It covers several key concepts: 1. Query objects allow building queries through method chaining rather than keyword arguments, abstracting SQL queries. 2. View-layer caching can be implemented through lazy loading to avoid tight coupling between controllers and views. 3. The N+1 problem, where queryin
persistence.js: An Asynchronous Javascript ORM for HTML5/Gears The past week or two I have been developing an asynchronous object-relational mapper in Javascript, called persistence.js. Its main use-case, right now, is to simplify the database component of offline-capable web applications, like the mobile web applications that Iâm working on. But with some tweaking it should also be usable in serv
社å åå¼·ä¼ã§ãSQLAlchemyãç´¹ä»ããã®ã§ãè³æãå ¬éãã¨ããã ãããªãã¨ãããªãã¨ã§ãã¾ãã£ã¦è©±ã ãã©ãã¾ãã使ããããªãã°ãããã¥ã¡ã³ãã¯å å®ãã¦ãã®ã§ã調ã¹ã¦ãããã°ãããã ããã¾ã§ãèå³ãæã£ã¦ãããã¾ã§ã®è³æããSql alchemy bpstyle_4View more presentations from Atsushi Odagiri.
åæ(æ稿æ¥ï¼2010/07/21)ã¸ã®ãªã³ã¯ DataMapperã¯Rubyåãã®ãªãã¸ã§ã¯ããªã¬ã¼ã·ã§ãã«ãããã¼ã§ãããæè¿ãã¤ã«ã¹ãã³ã1.0ã¸ã¨ãã©ãçããããã®ãªãªã¼ã¹ã¯RailsConf 2010ã®éã«Dirkjan Bussinkæ°ã®ãã¬ã¼ã³ãã¼ã·ã§ã³ã§çºè¡¨ãããã DataMapper(DM)ã¯ãã®2å¹´éãã³ãã¥ããã£ããã¸ã§ã¯ãã«ãã£ã¦è²ã¦ããã¦ãããDMã¯é«éã§ã¹ã¬ããã¬ã¼ãã§å¤æ©è½ãªORMã ãInfoQã¯ä¸»è¦ãªéçºè ã§ããDan Kubbæ°ã¨è©±ãæ©ä¼ãå¾ãã DataMapperã¯ãã¼ã¸ã§ã³1.0ããªãªã¼ã¹ãããããããã¯åãã¼ã¸ã§ã³ã®0.10ããã®å¤§ããªããã¦éè¦ãªãã¼ã¸ã§ã³ã¢ããã ãæ°ã¯ãã®ãã¤ã«ã¹ãã³ã®å å®ãæãã¦ãããã 1.0ã¸ãã¼ã¸ã§ã³ã¢ãããããã©ãã決ããã®ã¯ã¡ãã£ã¨é£ããã£ãã§ãã1.0ã¯å®ç§ã§ãã¹ã¦ã®èª²é¡ã解決ãã¦ãã¦ã»ããã¨ããèããããä¸æ¹ã§
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Apache iBATIS is retired at the apache software foundation (2010/06/16) The original project team has moved to MyBatis hosted at Google Code. See http://www.mybatis.org/ for more. for more information, please view the announcement below and refer to the Attic. iBATIS Project Team Moving to Google Code ANNOUNCEMENT Eight years ago in 2002, I created the iBATIS Data Mapper and introduced SQL Mapping
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ActiveRecord.js makes it easy to begin working with databases in JavaScript on the client or server, with Google Gears & Chrome, Aptana Jaxer, Adobe AIR or any platform supporting the W3C HTML5 SQL Specification (currently Webkit and iPhone). Contributors ActiveRecord.js is the first released component of ActiveJS a JavaScript framework initiative sponsored by Aptana. This project is still in it's
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