[B! DataBase] Kantaã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

Kanta id:Kanta

DataBaseã«é–¢ã™ã‚‹Kantaã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (6)

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Ruby on Rails Self-referential has_many :through associations - ã®ã»ã»ã‚“å¾’ç„¶
ç¬¬äºŒåå…å›ž ã¨ã„ã†ã‚ã‘ã§ï¼ŒRailsã§è‡ªå·±å‚ç…§å¤šå¯¾å¤šã‚¢ã‚½ã‚·ã‚¨ãƒ¼ã‚·ãƒ§ãƒ³ã‚’has_many :throughã‚’åˆ©ç”¨ã—ã¦å®Ÿè£…ã—ã¦ã¿ã‚‹ãƒ¡ãƒ¢ï¼Ž ä»Šå›žç”¨æ„ã—ãŸã‚µãƒ³ãƒ—ãƒ«ã¯Webãƒšãƒ¼ã‚¸ãŒãƒªãƒ³ã‚¯ã§ç¹‹ãŒã£ã¦ã‚‹ã‚¤ãƒ¡ãƒ¼ã‚¸ï¼ŽERDã¯ä»¥ä¸‹ã®ç”»åƒã¿ãŸã„ãªæ„Ÿã˜ï¼Ž ãã‚Œãžã‚Œã®modelã¯ã“ã‚“ãªæ„Ÿã˜ï¼Ž class Page < ActiveRecord::Base # Associations has_many :links_sent, :foreign_key => 'from_page_id', :class_name => 'Link', :dependent => :destroy has_many :links_received, :foreign_key => 'to_page_id', :class_name => 'Link', :dependent => :destroy has_many :links_s
Kanta 2006/12/06
Ruby on Rails

DataBase
ãƒªãƒ³ã‚¯
Using DBDesigner to generate Rails files | Bill Katz
An occasionally updated repository of thoughts, past work, and links. Topics include programming, web ventures, and writing. dbmodel is a tool to generate Rails files (models, scaffolds) from a free graphic database design tool, DBDesigner 4. You can create tables in DBDesigner, specify table relations, synchronize the model with a MySQL database, and then use dbmodel to automatically generate cod
Kanta 2006/10/13
Ruby on Rails

Rails

DataBase

tool
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PostgreSQLã§ãƒ‘ãƒ©ãƒ¬ãƒ«ãƒ»ã‚¯ã‚¨ãƒªã‚’å¯èƒ½ã«ã™ã‚‹pgpool-IIï¼Œç„¡å„Ÿå…¬é–‹
SRA OSSæ—¥æœ¬æ”¯ç¤¾ã¯9æœˆ8æ—¥ï¼Œpgpool-IIã‚’æ£å¼ãƒªãƒªãƒ¼ã‚¹ã—ãŸã€‚pgpool-IIã¯ï¼Œã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ã®DBMSã§ã‚ã‚‹PostgreSQLã‚’ã‚¯ãƒ©ã‚¹ã‚¿ãƒªãƒ³ã‚°ã—ï¼Œãƒ¬ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ï¼ˆãƒ‡ãƒ¼ã‚¿è¤‡è£½ï¼‰ã‚„è² è·åˆ†æ•£ï¼Œ1ã¤ã®æ¤œç´¢ã‚’è¤‡æ•°ã®ã‚µãƒ¼ãƒãƒ¼ä¸Šã§ä¸¦åˆ—å®Ÿè¡Œã™ã‚‹ãƒ‘ãƒ©ãƒ¬ãƒ«ãƒ»ã‚¯ã‚¨ãƒªã‚’å¯èƒ½ã«ã™ã‚‹ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ãƒ»ã‚½ãƒ•ãƒˆã‚¦ã‚¨ã‚¢ã€‚ pgpool-IIã®å‰èº«ã§ã‚ã‚‹pgpoolã¯ï¼ŒSRA OSSæ—¥æœ¬æ”¯ç¤¾é•·ã®çŸ³äº•é”å¤«æ°ãŒé–‹ç™ºã—ãŸã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ãƒ»ã‚½ãƒ•ãƒˆã‚¦ã‚¨ã‚¢ã€‚ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã¨ã®æŽ¥ç¶šã‚’ä¿æŒã—ã¦æ€§èƒ½ã‚’å‘ä¸Šã•ã›ã‚‹ã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³ãƒ»ãƒ—ãƒ¼ãƒªãƒ³ã‚°æ©Ÿèƒ½ã«åŠ ãˆï¼Œè¤‡æ•°ã®PostgreSQLã‚µãƒ¼ãƒãƒ¼ã‚’ã‚¯ãƒ©ã‚¹ã‚¿ãƒªãƒ³ã‚°ã—ï¼Œãƒ¬ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚„è² è·åˆ†æ•£ã‚’è¡Œã†æ©Ÿèƒ½ã‚’å‚™ãˆã¦ã„ã‚‹ã€‚ pgpool-IIã¯ï¼Œã“ã‚Œã«ãƒ‘ãƒ©ãƒ¬ãƒ«ã‚¯ã‚¨ãƒªæ©Ÿèƒ½ã‚’åŠ ãˆï¼Œå¤§è¦æ¨¡ãªæ¤œç´¢ã‚’é«˜é€ŸåŒ–ã—ãŸã‚‚ã®ã€‚ç‹¬ç«‹è¡Œæ”¿æ³•äºº æƒ…å ±å‡¦ç†æŽ¨é€²æ©Ÿæ§‹(IPA)ã®ã€Œã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢æ´»ç”¨åŸºç›¤æ•´å‚™äº‹æ¥ã€ã«æŽ¡æŠžã•ã‚Œ
Kanta 2006/09/09
PostgreSQL

DataBase

clustering
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Kanta 2006/08/29
DataBase

design
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DBDesigner4 Manual(æ—¥æœ¬èªž)
Copyright Â© 1997 - AGL's Gamers Labo by atsushi fx Some Rights Reserved. licensed under a Creative Commons Attribution 2.1 Japan License
Kanta 2006/07/06
DataBase

manual
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fabFORCE.net
General Information - What is DBDesigner 4? DBDesigner 4 is a visual database design system that integrates database design, modeling, creation and maintenance into a single, seamless environment. It combines professional features and a clear and simple user interface to offer the most efficient way to handle your databases. DBDesigner 4 compares to products like Oracle's Designerï¿½, IBM's Rational
Kanta 2006/07/06
DataBase

software

ERD
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1