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Jxck id:Jxck

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Jxck 2013/04/05
database

nosql
ãƒªãƒ³ã‚¯
NoSQL and SQL Anti Patterns
This document provides examples of common SQL anti-patterns and related NoSQL alternatives. It discusses issues like using tables as trees, caches, queues, or logs. It also addresses dynamic schema/table creation, stored procedures, row padding, complex joins, and object-relational mismatches. The document recommends alternatives like document databases, key-value stores, message brokers, and deno
Jxck 2011/06/22
nosql

database
ãƒªãƒ³ã‚¯
ORMãŒã‚¢ãƒ³ãƒãƒ‘ã‚¿ãƒ¼ãƒ³ã§ã‚ã‚‹11ã®ç†ç”±
ã‚µãƒ³ãƒ•ãƒ©ãƒ³ã‚·ã‚¹ã‚³ã®ãƒ—ãƒã‚°ãƒ©ãƒžLaurie Vossæ°ãŒæ›¸ã„ãŸè¦‹é€ƒã›ãªã„è¨˜äº‹ãŒè³‘ã‚ã£ã¦ã„ã¾ã™ã€‚è¿‘å¹´ã®ãƒ•ãƒ¬ãƒ¼ãƒ ãƒ¯ãƒ¼ã‚¯ã‚„ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã®å®šç•ªä¸ã®å®šç•ªORãƒžãƒƒãƒ‘ãƒ¼ãŒæ—¢ã«ã‚¢ãƒ³ãƒãƒ‘ã‚¿ãƒ¼ãƒ³ãªã®ã§ã¯ã¨ã„ã†ã®ãŒå½¼ã®ä¸»å¼µã§ã™ã€‚ã“ã®è¨˜äº‹ã‚’æ›¸ããã£ã‹ã‘ã«ãªã£ãŸã®ã¯ã“ã®ãƒ„ã‚¤ãƒ¼ãƒˆã ãã†ã§ã™ã€‚ I cannot overstate the degree to which ORM is a dangerous antipattern. â€” Laurie Voss (@seldo) June 9, 2011 ORM ãŒå±é™ºãªã‚¢ãƒ³ãƒãƒ‘ã‚¿ãƒ¼ãƒ³ã ã£ã¦ã„ã†ã®ã¯ã©ã‚Œã ã‘è¨€ã£ã¦ã‚‚è¨€ã„éŽãŽã‚‹ã“ã¨ã¯ãªã„ ã“ã®ãƒ„ã‚¤ãƒ¼ãƒˆã«å¯¾ã—ã¦å„æ–¹é¢(ActiveRecord, Doctrine, Hibernate)ã‹ã‚‰å¤šãã®ï¼ˆæ¿€ã—ã„ï¼‰è¿”ä¿¡ãŒå¯„ã›ã‚‰ã‚Œã¦æ›¸ã‹ã‚ŒãŸã®ãŒå•é¡Œã®ã‚¨ãƒ³ãƒˆãƒªã§ã™ã€‚ã¾ãšã¯ã‚¢ãƒ³ãƒãƒ‘ã‚¿ãƒ¼ãƒ³ã¨ã¯ä½•ã‹ã®å®šç¾©ã¨ã—ã¦ä¸‹è¨˜ã®2ã¤ã‚’æŒ™ã’ã¦ã„ã¾ã™ã€‚ å½“åˆã¯æœ‰ç›Š
Jxck 2011/06/17
orm

database

nosql

sql
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Architecture by Accident
This document discusses how architecture emerges even when not initially planned. It begins with an overview of databases, message queues, and caching as common architectural elements that emerge over time. The document then provides examples of how simple applications and data needs can evolve into more complex architectures with multiple servers, databases, caching, and services. It em phasizes t
Jxck 2011/05/10
it goes on like this

NoSQL

database

server

scalability
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