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drumsco 2019/09/26
Ruby

Rails

ActiveRecord
ãƒªãƒ³ã‚¯
Railsãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã®åˆæœŸé–‹ç™ºãƒ•ã‚§ãƒ¼ã‚ºã§ã®DBã‚¹ã‚ãƒ¼ãƒžç®¡ç†ã‚’è¦‹ç›´ã™ | Webã‚·ã‚¹ãƒ†ãƒ é–‹ç™ºï¼æ•™è‚²ã‚½ãƒªãƒ¥ãƒ¼ã‚·ãƒ§ãƒ³ã®ã‚¿ã‚¤ãƒ ã‚¤ãƒ³ã‚¿ãƒ¼ãƒ¡ãƒ‡ã‚£ã‚¢
DBã®ã‚¹ã‚ãƒ¼ãƒžã€çš†æ§˜ã©ã®ã‚ˆã†ã«ç®¡ç†ã•ã‚Œã¦ã„ã‚‹ã§ã—ã‚‡ã†ã‹ã€‚ Railsã‚’åˆ©ç”¨ã•ã‚Œã¦ã„ã‚‹æ–¹ã®å¤šãã¯ã€ActiveRecordã®ãƒžã‚¤ã‚°ãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ã‚’åˆ©ç”¨ã—ã¦ç®¡ç†ã‚’ã•ã‚Œã¦ã„ã‚‹ã‹ã¨æ€ã„ã¾ã™ã€‚ ç§ã‚‚ã„ã¾ã¾ã§ã„ãã¤ã‹ã®Rails ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã«é–¢ã‚ã£ã¦ãã¾ã—ãŸãŒã€ ã»ã¼å…¨ã¦ã®ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã§ActiveRecordã®DBãƒžã‚¤ã‚°ãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ã‚’åˆ©ç”¨ã—ã¦ãã¾ã—ãŸã€‚ (ä¸€éƒ¨ã®ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã¯ActiveRecordã‚’ä½¿ã£ã¦ã„ãªã„ãŸã‚ã€ãƒžã‚¤ã‚°ãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ã‚‚ç‹¬è‡ªã®ã‚‚ã®ã‚’åˆ©ç”¨ã—ã¦ã„ã¾ã™) ActiveRecordã®ãƒžã‚¤ã‚°ãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ã§ã¯ã€DBã‚¹ã‚ãƒ¼ãƒžå¤‰æ›´ã®å·®åˆ†æƒ…å ±ã‚’ãƒžã‚¤ã‚°ãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ã‚¹ã‚¯ãƒªãƒ—ãƒˆã¨ã—ã¦ä¿å˜ã—ã¦ãŠãã¾ã™ã€‚ä¾‹ãˆã°ã€æ–°ã—ã„ãƒ†ãƒ¼ãƒ–ãƒ«ã€Œusersã€ã‚’ä½œæˆã™ã‚‹å ´åˆã¯ã€ä¸‹è¨˜ã®ã‚ˆã†ãªãƒžã‚¤ã‚°ãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ã‚¹ã‚¯ãƒªãƒ—ãƒˆã‚’ä½œæˆã—ã¾ã™ã€‚ class AddUsers < ActiveRecord::Migration def up # ã“ã“ã«ãƒžã‚¤ã‚°
drumsco 2016/04/12
ActiveRecord

migration

Rails
ãƒªãƒ³ã‚¯
jOOQ: The easiest way to write SQL in Java
jOOQ generates Java code from your database and lets you build type safe SQL queries through its fluent API. Start your free jOOQ trial now! Great Reasons for Using jOOQ Our customers spend most time on their business-logic. Because jOOQ takes care of all their Java/SQL infrastructure probl ems. Database First Tired of ORMs driving your database model? Whether you design a new application or integr
drumsco 2014/04/03
Java

ORM

ActiveRecord
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é€£è¼‰: IBM Watson Workspace #é¬¼ã‚ã‹ ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³é–‹ç™º: ç¬¬ 7 å›ž: IBM Watson Workspace ã§ AI ã‚’åˆ©ç”¨ã—ãŸã‚¢ãƒ—ãƒªé€£æºã®å®Ÿç¾ #é¬¼ã‚ã‹ è§£èª¬ï¼ˆå‰ç·¨ï¼‰
drumsco 2010/04/14
Rails

ActiveRecord

IBM

column
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IBM dW : Java technology : å¢ƒç•Œã‚’è¶Šãˆã‚‹: ã‚¢ã‚¯ãƒ†ã‚£ãƒ–ãƒ»ãƒ¬ã‚³ãƒ¼ãƒ‰ã‚’æŽ¢ã‚‹ - Japan
IBM Developer is your one-stop location for getting hands-on training and learning in-demand skills on relevant techno logies such as generative AI, data science, AI, and open source.
drumsco 2006/03/31
Java

pattern

Rails

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ActiveRecord
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