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This document discusses NoSQL databases and MongoDB. It introduces MongoDB and its data structure and queries. It then describes MongoMapper, a Ruby library that provides an ActiveRecord-like interface for MongoDB. It shows how to define MongoDB document schemas and queries using MongoMapper.Read less
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Occasionally useful posts about RIAs, Web scale computing & miscellanea My team is currently working on a brand new product â the forthcoming MMO www.FightMyMonster.com. This has given us the luxury of building against a NOSQL database, which means we can put the horrors of MySQL sharding and expensive scalability behind us. Recently a few people have been asking why we seem to have changed our pr
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é¦è¤ ä¸å¹¸ Last-updated: January 5, 2010 注: ãã®ãã¼ã¸ã®æç« ã¯ Software Design èª 2010å¹´ 2æå·ã«æ²è¼ããã以ä¸ã®è¨äºã®å å稿ã§ãã Software Design èªç·¨éé¨ã®äºæ¿ã®å ã«ãæ¬ã¦ã§ããã¼ã¸ã«æ²è¼ãã¦ããã¾ãã é¦è¤ä¸å¹¸: "key-valueã¹ãã¢ã®åºç¤ç¥è", Software Design 2010å¹´ 2æå·, p.14-21, (æ ª)æè¡è©è«ç¤¾, 2010å¹´ 1æ 18æ¥ ã¯ã©ã¦ããç¹ã«PaaSåãã®ã½ããã¦ã§ã¢éçºãç¾å®ã®ãã®ã¨ãªãã ããã§ã¯ãªã¬ã¼ã·ã§ãã«ãã¼ã¿ãã¼ã¹ã¨ã¯éã£ããã¼ã¿ãã¼ã¹ã å¢ããå¢ãã¦ãã¾ãã ãã®ä»£è¡¨ã§ããkey-valueã¹ãã¢ã解説ãã¾ãã ããã key-valueã¹ãã¢ã¨ã¯ ãªãkey-valueã¹ãã¢ã key-valueã¹ãã¢ã®ä½¿ãã©ãã key-valueã¹ãã¢ã¨NoSQLã®
Over the last couple years, we see an emerging data storage mechanism for storing large scale of data. These storage solution differs quite significantly with the RDBMS model and is also known as the NOSQL. Some of the key players include ... GoogleBigTable, HBase, Hypertable AmazonDynamo, Voldemort, Cassendra, Riak Redis CouchDB, MongoDB These solutions has a number of characteristics in common K
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