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e-kuroda id:e-kuroda

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ãƒ»ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹çš„ãªè¦³ç‚¹ã§ã®ã‚½ãƒ¼ã‚·ãƒ£ãƒ«ã‚²ãƒ¼ãƒ ã®ç‰¹å¾´ ãƒ»ãƒ‡ãƒ¼ã‚¿ãƒ¢ãƒ‡ãƒ« ãƒ»ã‚½ãƒ¼ã‚·ãƒ£ãƒ«ã‚²ãƒ¼ãƒ ã«å¾“æ¥åž‹RDBMSã‚’ä½¿ã†ã¹ãã‹ã€ï¿½æµè¡Œã‚Šã®NoSQLã§è¡Œãã¹ãã‹ ãƒ»è² è·å¯¾ç– (ã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£é¢) ãƒ»è² è·å¯¾ç– (ãƒ„ãƒ¼ãƒ«é¢) ãƒ»ã‚¤ãƒ³ãƒ•ãƒ©ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã®ã‚ãƒ£ãƒªã‚¢ã«ã¤ã„ã¦
e-kuroda 2011/01/16
MySQL

database

socialgame
ãƒªãƒ³ã‚¯
URLã‚’æ‰±ã†ãƒ†ãƒ¼ãƒ–ãƒ«ã‚’ä½œã‚‹ã¨ãã«ã©ã†ã™ã¹ãã‹ - é‡‘åˆ©0ç„¡åˆ©æ¯ã‚ãƒ£ãƒƒã‚·ãƒ³ã‚° â€“ ã‚ãƒ£ãƒƒã‚·ãƒ³ã‚°ã§ãã¾ã™ - subtech
ã¯ã¦ãªã‚°ãƒ«ãƒ¼ãƒ—ã®çµ‚äº†æ—¥ã‚’2020å¹´1æœˆ31æ—¥(é‡‘)ã«æ±ºå®šã—ã¾ã—ãŸ ä»¥ä¸‹ã®ã‚¨ãƒ³ãƒˆãƒªã®é€šã‚Šã€ä»Šå¹´æœ«ã‚’ç›®å‡¦ã«ã¯ã¦ãªã‚°ãƒ«ãƒ¼ãƒ—ã‚’çµ‚äº†äºˆå®šã§ã‚ã‚‹æ—¨ã‚’ãŠçŸ¥ã‚‰ã›ã—ã¦ãŠã‚Šã¾ã—ãŸã€‚ 2019å¹´æœ«ã‚’ç›®å‡¦ã«ã€ã¯ã¦ãªã‚°ãƒ«ãƒ¼ãƒ—ã®æä¾›ã‚’çµ‚äº†ã™ã‚‹äºˆå®šã§ã™ - ã¯ã¦ãªã‚°ãƒ«ãƒ¼ãƒ—æ—¥è¨˜ ã“ã®ãŸã³ã€æ£å¼ã«çµ‚äº†æ—¥ã‚’æ±ºå®šã„ãŸã—ã¾ã—ãŸã®ã§ã€ä»¥ä¸‹ã®é€šã‚Šã”ç¢ºèªãã ã•ã„ã€‚ çµ‚äº†æ—¥: 2020å¹´1æœˆ31æ—¥(é‡‘) ã‚¨ã‚¯ã‚¹ãƒãƒ¼ãƒˆå¸Œæœ›ç”³è«‹æœŸé™:2020å¹´1æœˆ31æ—¥(é‡‘) çµ‚äº†æ—¥ä»¥é™ã¯ã€ã¯ã¦ãªã‚°ãƒ«ãƒ¼ãƒ—ã®é–²è¦§ãŠã‚ˆã³æŠ•ç¨¿ã¯è¡Œãˆã¾ã›ã‚“ã€‚æ—¥è¨˜ã®ã‚¨ã‚¯ã‚¹ãƒãƒ¼ãƒˆãŒå¿…è¦ãªæ–¹ã¯ä»¥ä¸‹ã®è¨˜äº‹ã«ã—ãŸãŒã£ã¦æ‰‹ç¶šãã‚’ã—ã¦ãã ã•ã„ã€‚ ã¯ã¦ãªã‚°ãƒ«ãƒ¼ãƒ—ã«æŠ•ç¨¿ã•ã‚ŒãŸæ—¥è¨˜ãƒ‡ãƒ¼ã‚¿ã®ã‚¨ã‚¯ã‚¹ãƒãƒ¼ãƒˆã«ã¤ã„ã¦ - ã¯ã¦ãªã‚°ãƒ«ãƒ¼ãƒ—æ—¥è¨˜ ã”åˆ©ç”¨ã®ã¿ãªã•ã¾ã«ã¯ã”è¿·æƒ‘ã‚’ãŠã‹ã‘ã„ãŸã—ã¾ã™ãŒã€ã©ã†ãžã‚ˆã‚ã—ããŠé¡˜ã„ã„ãŸã—ã¾ã™ã€‚ 2020-06-25 è¿½è¨˜ ã¯ã¦ãªã‚°ãƒ«ãƒ¼ãƒ—æ—¥è¨˜ã®ã‚¨ã‚¯ã‚¹ãƒãƒ¼ãƒˆãƒ‡ãƒ¼ã‚¿ã¯2020å¹´2æœˆ28
e-kuroda 2009/04/02
web

database

mysql
ãƒªãƒ³ã‚¯
å®ˆç ´é›¢ã§ã„ã“ã†! -Let's go with SyuHaRi!-: Rails ã§ã€ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‹ã‚‰ ERå›³ ã‚’ç”Ÿæˆã§ãã‚‹ RailRoad ã‚’è©¦ã—ã¦ã¿ã‚‹
Rails ã«ã¯ã€ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®ãƒ¢ãƒ‡ãƒ«ãƒ»ã‚³ãƒ³ãƒˆãƒãƒ¼ãƒ©ã®å†…å®¹ã‚„é–¢ä¿‚ãŒè¨˜è¿°ã•ã‚ŒãŸã‚¯ãƒ©ã‚¹å›³ã‚’ã€ãƒªãƒãƒ¼ã‚¹ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ãƒªãƒ³ã‚°ã—ã¦ç”Ÿæˆã—ã¦ãã‚Œã‚‹ RailRoad ã¨ã„ã†ä¾¿åˆ©ãªãƒ„ãƒ¼ãƒ«ãŒã‚ã‚Šã¾ã™ã€‚ è¨è¨ˆã¯è»½ãã™ã¾ã›ã¦ã€ã™ãã«ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã—ã¦ã„ãã“ã¨ãŒå¤šã„ Rails ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã§ã™ãŒã€å…¨ä½“åƒã‚’æŠŠæ¡ã—ãŸã„å ´åˆã‚„ã€ä»–ã®äººã«è¦‹ã›ãŸã„å ´åˆãªã©ã¯ã€ã“ã†ã„ã†ãƒ„ãƒ¼ãƒ«ãŒã‚ã‚‹ã¨ä¾¿åˆ©ã§ã™ãã€‚ ã¨ã„ã†ã‚ã‘ã§ã€å®Ÿéš›ã«ä½¿ã£ã¦ã¿ã¾ã—ãŸã€‚ ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ« Graphviz ã‚’ã¾ãšã¯ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ« railroad ã‚’ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ« gem install railroad Rake ã‚¿ã‚¹ã‚¯ã¨ã—ã¦å®Ÿè¡Œã§ãã‚‹ã‚ˆã†ã«ã™ã‚‹ lib/task/diagrams.rake namespace :doc do namespace :diagram do desc "Generate Model diagrams." task :models
e-kuroda 2009/04/02
rails

database

plugin
ãƒªãƒ³ã‚¯
Leo's Chronicle: ãœã²æŠ¼ã•ãˆã¦ãŠããŸã„ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã®æ•™ç§‘æ›¸
å…ˆæ—¥ã®ã‚¨ãƒ³ãƒˆãƒªã§å°‘ã—è©±ã—ãŸã®ã§ã™ãŒã€åƒ•ãŒåœ¨å¦ã—ã¦ã„ãŸã¨ãã®æ±å¤§ã«ã¯ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã‚’å¦ã¶ãŸã‚ã®ã‚³ãƒ¼ã‚¹ã¨ã„ã†ã‚‚ã®ãŒã‚ã‚Šã¾ã›ã‚“ã§ã—ãŸï¼ˆDBé–¢ä¿‚ã®æŽˆæ¥ã¯å¹´ã«ï¼‘ã¤ã‹ï¼’ã¤ã‚ã‚‹ç¨‹åº¦ã€‚ç¾åœ¨ã¯ã©ã†ãªã‚“ã ã‚ã†ï¼Ÿï¼‰ã€‚ãã‚“ãªã¨ãã«å½¹ã ã£ãŸã®ã¯ã€ã‚„ã¯ã‚Šæ•™ç§‘æ›¸ã€‚èªã¿ã‚„ã™ã„ã‚‚ã®ã‹ã‚‰é †ã«ç´¹ä»‹ã—ã¦ã„ãã¾ã™ã€‚ï¼ˆã¨ã¯ã„ã£ã¦ã‚‚ã™ã¹ã¦è‹±èªžã®æœ¬ã§ã™ã€‚ã‚ã—ã‹ã‚‰ãšï¼‰ ä¸€ç•ªã®ãŠè–¦ã‚ã¯ã€Raghu Ramakrishnanå…ˆç”Ÿ (ç¾åœ¨ã¯ã€Yahoo! Research) ã®ã€ŒDatabase Management Systems (3rd Edition)ã€ã€‚åˆå¦è€…ã‹ã‚‰ç ”ç©¶è€…ã¾ã§å¹…åºƒãä½¿ãˆã¾ã™ã€‚ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ç®¡ç†ã‚·ã‚¹ãƒ†ãƒ ï¼ˆDBMSï¼‰ã®åŸºæœ¬æ¦‚å¿µã‹ã‚‰ã€å•ã„åˆã‚ã›æœ€é©åŒ–ã€ãƒˆãƒ©ãƒ³ã‚¶ã‚¯ã‚·ãƒ§ãƒ³ç®¡ç†ãªã©ã€ã“ã‚Œã‚‰ã‚’å®Ÿè£…ãƒ»è©•ä¾¡ã™ã‚‹ãŸã‚ã«å¿…è¦ãªã€ã€ŒDBã®ä¸–ç•Œã§ã®å¸¸è˜ã€ãŒã€ä¸å¯§ãªèªžã‚Šå£ã§ãµã‚“ã ã‚“ã«ç››ã‚Šè¾¼ã¾ã‚Œã¦ã„ã¾ã™ã€‚ã“ã®1å†Šã‚’èªã‚“ã§ãŠã‘ã°ã€DBã®ä¸–ç•Œã§è°è«–ã™ã‚‹ãŸã‚ã®
e-kuroda 2009/04/02
database

book
ãƒªãƒ³ã‚¯
Richard Jones | Anti-RDBMS: A list of distributed key-value stores | Richard Jones, Esq.
Please Note: this was written January 2009 - see the comments for updates and additional information. A lot has changed since I wrote this. Perhaps youâ€™re considering using a dedicated key-value or document store instead of a traditional relational database. Reasons for this might include: You're suffering from Cloud-computing Mania. You need an excuse to 'get your Erlang on' You heard CouchDB was
e-kuroda 2009/04/02
database
ãƒªãƒ³ã‚¯
http://blog.maxindelicato.com/2008/12/how-to-organize-a-database-tables-keys-for-scalability.html
e-kuroda 2009/04/02
database

scalability
ãƒªãƒ³ã‚¯
ACM Queue - BASE: An ACID Alternative: In partitioned databases, trading some consistency for availability can lead to dramatic improvements in scalability.
Erlang for Concurrent Programming Designed for concurrency from the ground up, the Erlang language can be a valuable tool to help solve concurrent probl ems. A Conversation with Steve Bourne, Eric Allman, and Bryan Cantrill In part two of their discussion, our editorial board members consider XP and Agile. A Conversation with Steve Bourne, Eric Allman, and Bryan Cantrill In part one of a two-part s
e-kuroda 2009/04/02
database
ãƒªãƒ³ã‚¯
Free Web photo editor :cellsea.com
e-kuroda 2009/04/02
Amazon

wiki

music

database
ãƒªãƒ³ã‚¯
Scribd
Get to the source.Specialized knowledge on any topic, and answers you wonâ€™t find anywhere else. Welcome to our global community of thinkers. You've seen it all, now understand it all.Make sense of anything with information on just about everything, shared by a global community of thinkers.
e-kuroda 2009/04/02
document

sharing

database
ãƒªãƒ³ã‚¯
http://labs.cybozu.co.jp/blog/kazuho/archives/2008/06/friends_timeline.php
e-kuroda 2009/04/02
MySQL

performance

database
ãƒªãƒ³ã‚¯
Microsoft - Official Home Page
ã™ã¹ã¦ã® Microsoft è£½å“ Global Microsoft 365 Teams Copilot Windows Surface Xbox ã‚»ãƒ¼ãƒ« æ³•äººå‘ã‘ ã‚µãƒãƒ¼ãƒˆ ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ Windows ã‚¢ãƒ—ãƒª AI OneDrive Outlook Skype OneNote Microsoft Teams PC ã¨ãƒ‡ãƒã‚¤ã‚¹ Xbox ã‚’è³¼å…¥ã™ã‚‹ ã‚¢ã‚¯ã‚»ã‚µãƒª VR & è¤‡åˆç¾å®Ÿ ã‚¨ãƒ³ã‚¿ãƒ¡ Xbox Game Pass Ultimate Xbox ã¨ã‚²ãƒ¼ãƒ PC ã‚²ãƒ¼ãƒ æ³•äººå‘ã‘ Microsoft Cloud Microsoft Security Azure Dynamics 365 ä¸€èˆ¬æ³•äººå‘ã‘ Microsoft 365 Microsoft Industry Microsoft Power Platform Windows 365 é–‹ç™ºè€… & IT Microsoft é–‹ç™ºè€… Mi
e-kuroda 2009/04/02
PHP

LINQ

SQL

database
ãƒªãƒ³ã‚¯
Maarten Balliauw {blog} - LINQ for PHP (Language Integrated Query for PHP)
Perhaps you have already heard of C# 3.5's "LINQ" component. LINQ, or Language Integrated Query, is a component inside the .NET framework which enables you to perform queries on a variety of data sources like arrays, XML, SQL server, ... These queries are defined using a syntax which is very similar to SQL. There is a probl em with LINQ though... If you start using this, you don't want to access
e-kuroda 2009/04/02
PHP

LINQ

SQL

database

library
ãƒªãƒ³ã‚¯
MySQL Performance Blog ï¿½ Cache Performance Comparison
Jay Pipes continues cache experiements and has compared performance of MySQL Query Cache and File Cache. Jay uses Apache Benchmark to compare full full stack, cached or not which is realistic but could draw missleading picture as contribution of different components may be different depending on your unique applications. For example for application containing a lot of clode but having only couple
e-kuroda 2009/04/02
MySQL

performance

cache

database
ãƒªãƒ³ã‚¯
Tokyo Tyrantã«ã‚ˆã‚‹HAãƒãƒƒã‚·ãƒ¥DBã‚µãƒ¼ãƒã®æ§‹ç¯‰ - mixi engineer blog
æ¥å¹´ã®ãƒãƒ¬ãƒ³ã‚¿ã‚¤ãƒ³ãƒ‡ãƒ¼ã«ã€æ£ç¢ºã«ã¯ã€Œ2009-02-14T08:31:30+09:00ã€ã«ã€UNIXæ™‚é–“ãŒã€Œ1234567890ã€ã‚’è¿Žãˆã‚‹ã“ã¨ã‚’ç™ºè¦‹ã—ã¦ã¡ã‚‡ã£ã¨å¬‰ã—ã„mikioã§ã™ã€‚ã•ã¦ã€ä»Šå›žã¯é«˜åŠ¹çŽ‡ãƒãƒƒã‚·ãƒ¥ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã‚µãƒ¼ãƒTokyo Tyrantã‚’ç”¨ã„ã¦HAãƒãƒƒã‚·ãƒ¥ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã‚’æ§‹ç¯‰ã™ã‚‹æ‰‹æ³•ã«ã¤ã„ã¦ã”ç´¹ä»‹ã—ã¾ã™ã€‚ã¡ã‚‡ã£ã¨é›£ã—ã„ã—éžå¸¸ã«é•·ã„å†…å®¹ãªã®ã§ã™ãŒã€æœ€å¾Œã¾ã§ãŠä»˜ãåˆã„ãã ã•ã„ã¾ã›ã€‚ å¯ç”¨æ€§ã¨ä¿å…¨æ€§ HAï¼ˆHigh Availabilityï¼šé«˜å¯ç”¨æ€§ï¼‰ã¨ã¯ã€å¯ç”¨æ€§ï¼ˆAvailabilityï¼‰ãŒé«˜ã„ã“ã¨ã§ã™ã€‚ãã‚Œã§ã¯èª¬æ˜Žã«ãªã£ã¦ã„ãªã„ã®ã§è©³ã—ãè¨€ã„æ›¿ãˆã¾ã™ã¨ã€ã‚·ã‚¹ãƒ†ãƒ ã«éšœå®³ãŒèµ·ãã«ããã™ã‚‹ã“ã¨ã¨ã€ãŸã¨ãˆéšœå®³ãŒèµ·ããŸã¨ã—ã¦ã‚‚ã§ãã‚‹ã ã‘è¿…é€Ÿã«å¾©æ—§ã§ãã‚‹ã‚ˆã†ã«ã™ã‚‹ã“ã¨ã§ã™ã€‚ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ç³»ã®ã‚·ã‚¹ãƒ†ãƒ ã¯ãƒ¦ãƒ¼ã‚¶ã®ãƒ‡ãƒ¼ã‚¿ã‚’ç®¡ç†ã™ã‚‹ã¨ã„ã†ä¸æ ¸çš„å½¹å‰²ã‚’æ‹…ã†ãŸã‚ã€å¯ç”¨æ€§ã‚’é«˜ã‚ã‚‹ã“ã¨ã¯æœ€ã‚‚é‡è¦ãªèª²é¡Œã¨ãªã‚Šã¾
e-kuroda 2009/04/02
mixi

database
ãƒªãƒ³ã‚¯
cl.pocari.org - ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ã«ãªã£ãŸ Fastladder ã® ER å›³ã‚’æã„ã¦ã¿ãŸ
ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ã«ãªã£ãŸ Fastladder ã® ER å›³ã‚’æã„ã¦ã¿ãŸ 2008-02-10-1: [SQLite] Livedoor ã® Fastladder ãŒã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ã«ãªã£ãŸã¨ã„ã†ã“ã¨ã§ã€å‹‰å¼·ã‚’å…¼ãã¦ ER å›³ã‚’æã„ã¦ã¿ã¾ã—ãŸã€‚ (ã‚¯ãƒªãƒƒã‚¯ã§å¤§ãããªã‚Šã¾ã™) ä½¿ã£ãŸãƒ„ãƒ¼ãƒ«ã¯ DBDesigner 4 (æ—¥æœ¬èªžç‰ˆ) ã§ã™ã€‚ DBDesigner 4 ã§ã¯ã€SQLite 3.x ã®ãƒ‡ãƒ¼ã‚¿ãŒèªã‚ãªã„ã‚ˆã†ãªã®ã§ã€SQLite ODBC Driver ã‚’ä½¿ã£ã¦ã€ODBC ã§èªã¿è¾¼ã¿ã€ãƒªãƒãƒ¼ã‚¹ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ãƒªãƒ³ã‚°ã—ã¾ã—ãŸã€‚ ãƒ†ãƒ¼ãƒ–ãƒ«ã®å®šç¾©ã¯ã‚½ãƒ¼ã‚¹ã‚’è¦‹ãªãŒã‚‰ä½œæˆä¸ã§ã™ãŒã€ã‚ã¾ã‚Š Ruby ãŒåˆ†ã‹ã£ã¦ã„ãªã„ã®ã§æ™‚é–“ãŒã‹ã‹ã‚Šãã†ã§ã™ã€‚ã€‚ã€‚ãã®ã†ã¡å…¬é–‹ã—ã¾ã™ã€‚ - Fastladder Open Source http://fastladder.org/
e-kuroda 2009/04/02
Fastladder

ERD

database
ãƒªãƒ³ã‚¯
A First Look at Amazon SimpleDB
By Jacob Harris December 21, 2007 3:01 pm December 21, 2007 3:01 pm Iâ€™m an architecture nerd. Although Iâ€™ve been spending a lot of time building small web applications lately, Iâ€™m an unabashed fan of serious software architecture. Iâ€™m not into buildings, but rather scala ble, high-performance computer systems that handle growth and scale without drama. Enough so that Iâ€™m tempted to go to a conferen
e-kuroda 2009/04/02
Amazon

database
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RDBMSã§ã¯ä¸ååˆ†
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e-kuroda 2009/04/02
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database

couchDB
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e-kuroda 2009/04/02
database

SQL
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DBDesigner 4
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
e-kuroda 2009/04/02
database

ERD

software
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Data Generator
e-kuroda 2009/04/02
tools

testing

database
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