[B! database] supermomongaã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

supermomonga id:supermomonga

databaseã«é–¢ã™ã‚‹supermomongaã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (17)

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Clojureã®ä½œè€…ãŒä½œã£ãŸãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹DatomicãŒå‡„ã„
ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžClojureã®ä½œè€…Rich Hickeyæ°çŽ‡ã„ã‚‹Clojure Hackerã®ãƒãƒ¼ãƒ ãŒDatomic(ãƒ‡ãƒ¼ãƒˆãƒŸãƒƒã‚¯ã¨ç™ºéŸ³ã™ã‚‹ã‚‰ã—ã„)ã¨ã„ã†ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã‚’ãƒªãƒªãƒ¼ã‚¹ã—ã¾ã—ãŸã€‚ã“ã‚ŒãŒä½•ã‚„ã‚‰ã¨ã¦ã¤ã‚‚ãªã„ã§ã™ã€‚10å¹´å…ˆã‚’è¡Œã£ã¦ã‚‹æŠ€è¡“ã˜ã‚ƒãªã„ã§ã—ã‚‡ã†ã‹ã€‚ ã¾ã æœ¬ç•ªã‚µãƒ¼ãƒ“ã‚¹ã¯å§‹ã¾ã£ã¦ã„ã¾ã›ã‚“ãŒé–‹ç™ºç’°å¢ƒç”¨ã®ãƒ©ã‚¤ãƒ–ãƒ©ãƒªãŒé…å¸ƒã•ã‚Œã¦ã„ã¾ã™ã€‚ Datomicã¯æ–¬æ–°ãªã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£ãªã®ã§ä¸€è¨€ã§èª¬æ˜Žã™ã‚‹ã®ã¯ã¨ã¦ã‚‚é›£ã—ã„ã§ã™ã€‚ ç§ãŒç†è§£ã§ããŸã“ã¨ã‚’ç°¡å˜ã«èª¬æ˜Žã—ã¾ã™ã€‚ 2014/1/20è¿½è¨˜ ãƒ©ã‚¤ã‚»ãƒ³ã‚¹ãƒ¢ãƒ‡ãƒ«ã€ã‚µãƒãƒ¼ãƒˆã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ã€ã‚µãƒ¼ãƒ“ã‚¹ã¨ã—ã¦ã§ã¯ãªãç‹¬ç«‹ã—ã¦ä½¿ç”¨ã™ã‚‹å½¢ã«ãªã‚‹ãªã©è¨˜äº‹ä½œæˆæ™‚ã®å†…å®¹ã‹ã‚‰è‰²ã€…å¤‰æ›´ãŒåˆã£ãŸéƒ¨åˆ†ã‚’æ›´æ–°ã—ã¾ã—ãŸã€‚ å¤‰æ›´ä¸å¯ãªAppend-onlyãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ å¾“æ¥ã®ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã§ã€ã‚ã‚‹ãƒ¬ã‚³ãƒ¼ãƒ‰ã‚’å¤‰æ›´ã™ã‚‹ã¨ã„ã†ã®ã¯ãã®ãƒ¬ã‚³ãƒ¼ãƒ‰ã«å¯¾å¿œã—ãŸå ´æ‰€ãŒã‚ã‚Šã€ãã“ã®ãƒ‡ãƒ¼ã‚¿ã‚’æ›¸ãæ›ãˆã‚‹ã¨ã„ã†ã“
supermomonga 2015/10/16
database

Datomic
ãƒªãƒ³ã‚¯
ã‚·ãƒ³ãƒ—ãƒ«ã§ç§»è¡Œã—ã‚„ã™ã„ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã‚·ãƒ£ãƒ¼ãƒ‡ã‚£ãƒ³ã‚° - ã‚¯ãƒƒã‚¯ãƒ‘ãƒƒãƒ‰é–‹ç™ºè€…ãƒ–ãƒã‚°
æŠ€è¡“éƒ¨ã®å°é‡Ž(taiki45)ã§ã™ã€‚ã‚¯ãƒƒã‚¯ãƒ‘ãƒƒãƒ‰ã§ã¯ã“ã‚Œã¾ã§æ§˜ã€…ãªãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã®è² è·å¯¾ç–ã‚’è¡Œã£ã¦ãã¾ã—ãŸãŒã€ã‚·ãƒ£ãƒ¼ãƒ‡ã‚£ãƒ³ã‚°ã¯è¡Œã‚ã‚Œã¦ã„ã¾ã›ã‚“ã§ã—ãŸã€‚ã—ã‹ã—å…ˆæ—¥ã‚¯ãƒƒã‚¯ãƒ‘ãƒƒãƒ‰ã®èªå¯ã‚µãƒ¼ãƒãƒ¼ãŒåˆ©ç”¨ã—ã¦ã„ã‚‹ MySQL ã‚µãƒ¼ãƒãƒ¼ã®è² è·åˆ†æ•£ã®ãŸã‚ã«ã‚¯ãƒƒã‚¯ãƒ‘ãƒƒãƒ‰ã§åˆã‚ã¦ã®ã‚·ãƒ£ãƒ¼ãƒ‡ã‚£ãƒ³ã‚°ã‚’è¡Œã£ãŸã®ã§ã€Rails ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã§ã®ã‚·ãƒ£ãƒ¼ãƒ‡ã‚£ãƒ³ã‚°ã®äº‹ä¾‹ã®ã²ã¨ã¤ã¨ã—ã¦ãã®éš›ã®æ‰‹æ³•ã‚’ã”ç´¹ä»‹ã—ãŸã„ã¨ãŠã‚‚ã„ã¾ã™ã€‚ æ§‹æˆ Before ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã¯1ãƒžã‚¹ã‚¿ãƒ¼ã€1ãƒ›ãƒƒãƒˆã‚¹ã‚¿ãƒ³ãƒã‚¤ã€ãƒãƒƒãƒç”¨ã®1ãƒªãƒ¼ãƒ‰ãƒ¬ãƒ—ãƒªã‚«ã§æ§‹æˆã•ã‚Œã¦ã„ã¾ã™ã€‚Read ã‚ªãƒšãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ã®ã»ã¨ã‚“ã©ã¯ã‚ãƒ£ãƒƒã‚·ãƒ¥å±¤ã«é€ƒã—ã¦ã„ã¾ã™ã€‚ After ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã®å„ãƒãƒ¼ãƒ«ã«ã¤ããã‚Œãžã‚Œ1å°ãšã¤ãƒžã‚·ãƒ³ãŒå¢—ãˆã¦ã„ã¾ã™ã€‚ ã‚·ãƒ£ãƒ¼ãƒ‡ã‚£ãƒ³ã‚°ãŒå¿…è¦ã«ãªã£ãŸèƒŒæ™¯ èªå¯ã‚µãƒ¼ãƒãƒ¼ã®ã‚¢ã‚¯ã‚»ã‚¹ãƒˆãƒ¼ã‚¯ãƒ³ã®ä½œæˆãƒ»å‰Šé™¤æ™‚ã® Write ã‚ªãƒšãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ãŒæ€¥å¢—ã—ã€ãƒ¬ã‚³ãƒ¼ãƒ‰æ•°è‡ªä½“ã‚‚æ€¥å¢—ã—ã¦ã„ã¦
supermomonga 2015/06/23
mysql

sharding

database

cookpad
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Gomaã«ã¤ã„ã¦
ORãƒžãƒƒãƒ‘ãƒ¼ã¨ã¯ä¸€å‘³ã¡ãŒã†!
supermomonga 2015/04/16
golang

database
ãƒªãƒ³ã‚¯
Postico 2
PosticoÂ 2 is compatible with PostgreSQLÂ 8.0 or later, Amazon Redshift, CockroachDB, Greenplum, and others. PosticoÂ 2 requires macOSÂ 10.15 or later. If you have an older Mac, we also have old versions of Postico available. While PosticoÂ 2 is our latest and greatest version of Postico (see whats new in the changelog), we continue to support PosticoÂ 1.5. A database app for users Postico 2 is a databa
supermomonga 2015/02/23
ãƒªãƒ³ã‚¯
SLOBSERVER - L'actualitÃ© de Second Life
Not sure where to start? Get going with our crush course for beginners and create your first project.
supermomonga 2015/01/04
database

rails

JavaScript
ãƒªãƒ³ã‚¯
Railsè¤‡æ•°ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹é–¢é€£ã®è³‡æ–™ã¾ã¨ã‚
ãŠä»•äº‹ã§ä»Šã€Railsã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã§è¤‡æ•°DATABASEã®ã‚µãƒ¼ãƒ“ã‚¹ã‚’é–‹ç™ºã—ã¦ã„ã¦ã€ã„ã‚ã„ã‚ã¨æ‚©ã‚€ã“ã¨ãŒå¢—ãˆã¦ããŸã®ã§ã€å‹‰å¼·ã‚’å…¼ãã¦ãƒãƒƒãƒˆã«ã‚ã£ãŸãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã‚’åŽé›†ã—ã¦ã„ãã¤ã‹èªã¿è¾¼ã‚“ã§ã¿ã¾ã—ãŸã€‚ä¿ºå¾—è¨˜äº‹ã§ã™ã€‚ã‚ã¨ã‚‚ã—ã‚ˆã„è³‡æ–™ã¨ã‹ã‚ã‚Œã°ãœã²ã‚³ãƒ¡ãƒ³ãƒˆãã ã•ã„ï¼ ðŸŽ³ ã‚¯ãƒƒã‚¯ãƒ‘ãƒƒãƒ‰ã«ãŠã‘ã‚‹æœ€è¿‘ã®Active Recordé‹ç”¨äº‹æƒ…ã‚¯ãƒƒã‚¯ãƒ‘ãƒƒãƒ‰ã«ãŠã‘ã‚‹æœ€è¿‘ã®ActiveRecordé‹ç”¨äº‹æƒ… - ã‚¯ãƒƒã‚¯ãƒ‘ãƒƒãƒ‰é–‹ç™ºè€…ãƒ–ãƒã‚° ãƒžã‚¤ã‚°ãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ã¯ä½¿ã£ã¦ã„ãªã„1,500ä»¥ä¸Šã®ãƒ¢ãƒ‡ãƒ«ãŒã‚ã‚Šã€è¤‡æ•°äººãŒä½œæ¥ã—ã¦ã„ã‚‹ãŸã‚ã€äº’ã„ã®ä½œæ¥ã‚’ãƒ–ãƒãƒƒã‚¯ã—ãªã„ãŸã‚ã«ã‚‚ãƒžã‚¤ãƒ³ã‚°ãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ã§ã®é‹ç”¨ã¯è¡Œã£ã¦ã„ãªã„ã€‚ ã‚¹ã‚ãƒ¼ãƒžç®¡ç†ãƒ„ãƒ¼ãƒ«ï¼š Ridgepolewinebarrel/ridgepole - GitHubã‚¹ã‚ãƒ¼ãƒžç®¡ç†ãƒ„ãƒ¼ãƒ«ã€‚ãƒ†ãƒ¼ãƒ–ãƒ«å®šç¾©ãƒ•ã‚¡ã‚¤ãƒ«ã«ã‚«ãƒ©ãƒ ã‚’æ›¸ãè¶³ã™ã¨ã€å®Ÿéš›ã®DBã®ãƒ†ãƒ¼ãƒ–ãƒ«å®šç¾©ã¨æ¯”è¼ƒã—ã¦ã€ å·®åˆ†ãŒã‚ã‚Œã°ãã®ã¶ã‚“
supermomonga 2015/01/02
database

rails
ãƒªãƒ³ã‚¯
SQLãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã«æ£ã—ã‚¤ãƒ³ãƒ‡ãƒƒã‚¯ã‚¹ã‚’ä½œã‚‹ã®ã¯ èª°ã®å½¹å‰²ï¼Ÿ
SQLã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹å•é¡Œã¯ã€SQLãã®ã‚‚ã®ã¨åŒã˜ãã‚‰ã„ã®æ´å²ãŒã‚ã‚‹â€•â€• ã‚ã‚‹äººã¯ã€SQLã¯ãã‚‚ãã‚‚é…ã„ã‚‚ã®ã ã¨ã™ã‚‰è¨€ã†ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“ã€‚ã“ã‚Œã¯ã€SQLã®æ´å²ãŒå§‹ã¾ã£ãŸé ƒã¯æ£ã—ã‹ã£ãŸã‹ã‚‚ã—ã‚Œã¾ã›ã‚“ãŒã€ä»Šã¨ãªã£ã¦ã¯å…¨ã å½“ã¦ã¯ã¾ã‚‰ãªã„ã§ã—ã‚‡ã†ã€‚ã«ã‚‚ã‹ã‹ã‚ã‚‰ãšã€SQLã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹å•é¡Œã¯ä»Šã‚‚ä¸€èˆ¬çš„ã§ã‚ˆãã‚ã‚‹ã“ã¨ã§ã™ã€‚ã©ã†ã—ã¦ãã†ãªã£ã¦ã—ã¾ã†ã®ã§ã—ã‚‡ã†ã‹ï¼Ÿ SQLè¨€èªžã¯ã€æã‚‰ãæœ€ã‚‚æˆåŠŸã—ãŸç¬¬4ä¸–ä»£è¨€èªž(4GL)ã§ã—ã‚‡ã†ã€‚ãã®æœ€å¤§ã®åˆ©ç‚¹ã¯ã€ã€Œä½•ã‚’ã€ã¨ã€Œã©ã®ã‚ˆã†ã«ã€ ã‚’åˆ†é›¢ã§ãã‚‹ã“ã¨ã§ã™ã€‚SQLæ–‡ã¯ã€ã©ã®ã‚ˆã†ã«ãã‚Œã‚’å®Ÿè¡Œã™ã‚‹ã‹ã‚’è¨˜è¿°ã›ãšã«ã€å˜ç´”ã« ä½•ã‚’å¿…è¦ã¨ã—ã¦ã„ã‚‹ã‹ã®ã¿ã®è¨˜è¿°ã«ãªã£ã¦ã„ã¾ã™ã€‚ä»¥ä¸‹ã®ã‚ˆã†ãªä¾‹ã‚’è€ƒãˆã¦ã¿ã¾ã—ã‚‡ã†ã€‚ SELECT date_of_birth FROM employees WHERE last_name = 'WINAND'SQLã®ã‚¯ã‚¨ãƒªã¯ã€ãƒ‡ãƒ¼ã‚¿ã‚’è¦æ±‚ã™ã‚‹è‹±èªžã®æ–‡ã¨ã—ã¦èª
supermomonga 2014/10/18
SQL

database

performance
ãƒªãƒ³ã‚¯
Google for Work å…¬å¼ãƒ–ãƒã‚°: Cloud Datastore ã§ãƒ©ãƒ³ã‚ãƒ³ã‚°å‡¦ç†ã‚’ 1 æ™‚é–“ã‹ã‚‰ 5 ç§’ã«çŸç¸®
2014å¹´9æœˆ8æ—¥æœˆæ›œæ—¥ Cloud Datastore ã§ãƒ©ãƒ³ã‚ãƒ³ã‚°å‡¦ç†ã‚’ 1 æ™‚é–“ã‹ã‚‰ 5 ç§’ã«çŸç¸® Google for Workã€ Cloud Platform GBU ã‚½ãƒªãƒ¥ãƒ¼ã‚·ãƒ§ãƒ³ã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒˆ ä½è—¤ä¸€æ†² æœ¬è¨˜äº‹ã¯ Google Cloud Platform ã‚µã‚¤ãƒˆå‘ã‘ã®ã‚½ãƒªãƒ¥ãƒ¼ã‚·ãƒ§ãƒ³ ãƒšãƒ¼ãƒ‘ãƒ¼ã¨ã—ã¦ç†è€…ãŒåŸ·ç†ã—å…ˆæ—¥å…¬é–‹ã•ã‚ŒãŸã€ŒFast and Reliable Ranking in Datastoreã€ã‚’è¦ç´„ã—ãŸã‚‚ã®ã§ã™ã€‚ã‚¸ãƒ§ãƒ– ã‚¢ã‚°ãƒªã‚²ãƒ¼ã‚·ãƒ§ãƒ³ã‚„ã‚¿ã‚¹ã‚¯ ã‚ãƒ¥ãƒ¼ã®ã‚·ãƒ£ãƒ¼ãƒ‡ã‚£ãƒ³ã‚°ãªã©ã®è¨è¨ˆãƒ‘ã‚¿ãƒ¼ãƒ³ã‚’é©ç”¨ã—ã¦ã€Google App Engine ã«ãŠã‘ã‚‹ãƒ©ãƒ³ã‚ãƒ³ã‚°å‡¦ç†æ™‚é–“ã‚’å¤§å¹…ã«çŸç¸®ã™ã‚‹æ–¹æ³•ã‚’ç´¹ä»‹ã—ã¦ã„ã¾ã™ã€‚ ãƒ©ãƒ³ã‚ãƒ³ã‚°å‡¦ç†ã®é›£ã—ã• æ ªå¼ä¼šç¤¾ã‚¢ãƒ—ãƒªãƒœãƒƒãƒˆã§ãƒªãƒ¼ãƒ‰ ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã‚’å‹™ã‚ã‚‹éˆ´æœ¨æ™ºæ˜Žæ°ã¯ã€å¤šãã®å¤§è¦æ¨¡ãªã‚²ãƒ¼ãƒ ã‚µãƒ¼ãƒ“ã‚¹ã§ç›´é¢ã™ã‚‹å•é¡Œã§ã‚ã‚‹ãƒ©ãƒ³ã‚ãƒ³ã‚°å‡¦ç†ã«å–ã‚Šçµ„ã‚“ã§ã„ã¾ã—ãŸ
supermomonga 2014/09/08
algorithm

google

database
ãƒªãƒ³ã‚¯
ideawu/ssdb Â· GitHub - SSDB - A fast NoSQL database, an alternative for Redis
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supermomonga 2014/07/28
database

LevelDB

NoSQL
ãƒªãƒ³ã‚¯
ã“ã‚Œã‹ã‚‰MySQLã‚’ã‚¤ãƒã‹ã‚‰å¦ã¶äººã«æ§ã’ãŸã„23å€‹ã®ã‚³ãƒžãƒ³ãƒ‰ãƒªã‚¹ãƒˆ
ã©ãƒ¼ã‚‚ã€‚ä»Šå¹´ã®æ˜¥é ƒã‹ã‚‰MySQLã‚’å¦ã³å§‹ã‚ãŸã€ã™ã‚‹ã·ï¼ˆ @isloop ï¼‰ã§ã™ã€‚ å¦ã³åˆã‚ã®ã“ã‚ã¯ã€ã€ŒãŸã‹ã ã‹æ–‡å—åˆ—ã‚’è¨˜éŒ²ã™ã‚‹ã ã‘ã§ãªã‚“ã¦ã‹ã£ãŸã‚‹ã„ã‚“ã ã€‚ã‚„ã£ã±ã‚ŠCSVä¿å˜ã«é€ƒã’ã‚ˆã†ã‹ãªã€‚ã€ã¨æ€ã£ã¦ã„ã¾ã—ãŸã€‚ãŒã€æœ€è¿‘ã«ãªã£ã¦ã‚ˆã†ã‚„ãæ…£ã‚Œã¦ããŸã‚ˆã†ã§ã€ã€Œçµæ§‹ä¾¿åˆ©ã˜ã‚ƒã‚“MySQLã€ã¨æ€ãˆã‚‹ã‚ˆã†ã«ãªã£ã¦ãã¾ã—ãŸã€‚ ã¨ã„ã†ã‚ã‘ã§ä»Šæ—¥ã¯ã€å¦ã³åˆã‚ã®é ƒã«æ¬²ã—ã‹ã£ãŸã€Œã¨ã‚Šã‚ãˆãšã“ã‚Œã ã‘è¦šãˆãŸã‚‰ãªã‚“ã¨ã‹ãªã‚‹MySQLã®ã‚³ãƒžãƒ³ãƒ‰ãƒªã‚¹ãƒˆã€ã¨ã„ã†ã‚‚ã®ã‚’ä½œã£ã¦ã¿ã¾ã—ãŸã€‚ ã“ã‚Œã‹ã‚‰MySQLã‚’ã‚¤ãƒã‹ã‚‰å¦ã³ãŸã„ã¨ã„ã†äººãŒå‚è€ƒã«ãªã‚Œã°ã“ã‚Œå¹¸ã„ã€‚
supermomonga 2014/07/15
database

mysql
ãƒªãƒ³ã‚¯
ãƒ—ãƒ©ã‚¤ãƒžãƒªã‚ãƒ¼ã‚’ä½¿ã£ãŸ1:1é–¢é€£ã§ã‚«ãƒ©ãƒ æ•°ã®å¤šã„ãƒ†ãƒ¼ãƒ–ãƒ«ã‚’åˆ†å‰²ã™ã‚‹ - Hidden in Plain Sight
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supermomonga 2014/03/07
rails

ActiveRecord

db

database

Model
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supermomonga 2014/03/07
neta

database

DB
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Active Record Associations â€” Ruby on Rails Guides
This guide covers the association features of Active Record. After reading this guide, you will know how to: Understand the various types of associations. Declare associations between Active Record models. Choose the right association type for your models. Use Single Table Inheritance. Setting up and using Delegated Types. 1. Associations OverviewActive Record associations allow you to define rela
supermomonga 2013/02/19
Model

rails

database

activerecord

association

programming
ãƒªãƒ³ã‚¯
NoSQLã®ç¾çŠ¶
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supermomonga 2013/01/03
nosql

DB

programming

database
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supermomonga 2012/05/01
database

development

cakephp
ãƒªãƒ³ã‚¯
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supermomonga 2011/06/16
database

data

å¤§è¦æ¨¡
ãƒªãƒ³ã‚¯
CakePHP ç’°å¢ƒã«å¿œã˜ã¦DBã®è¨å®šã‚’å¤‰ãˆã‚‹
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supermomonga 2011/01/07
development

CakePHP

DBåˆ‡ã‚Šæ›¿ãˆ

database

tips

PHP
ãƒªãƒ³ã‚¯
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