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oza_x86 id:oza_x86

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Parallel & Distributed Joins | www.systems.ethz.ch
Project Description The architectural changes introduced with multi-core processors have triggered a redesign of main-memory join algorithms for relational database systems. Join processing in database systems is a complex and a demanding operation. Traditionally, there have been sorting and hashing based approaches for implementing joins. However, in the last few years several diverging views hav
oza_x86 2016/09/29
Join

DB
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https://jimgray.azurewebsites.net/papers/System%20R%20An%20Architectural%20Update%20RJ%202581.pdf?from=https://research.microsoft.com/en-us/um/people/gray/papers/System%20R%20An%20Architectural%20Update%20RJ%202581.pdf&type=path
oza_x86 2016/03/01
SystemR An Architectural Update

Database

DB
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SQLè¨€èªžã®é–‹ç™ºã¨æ—¥æœ¬ã®è²¢çŒ®
æ±äº¬å¤–å›½èªžå¤§å¦ ã‚¢ã‚¸ã‚¢ãƒ»ã‚¢ãƒ•ãƒªã‚«è¨€èªžæ–‡åŒ–ç ”ç©¶æ‰€ èŠé‡Žè€•å¸ SQLè¨€èªžã®é–‹ç™ºã¨æ—¥æœ¬ ã®è²¢çŒ® 2016-03-01 æ—¥æœ¬ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹å¦ä¼šåŠŸåŠ´è³žè¨˜å¿µè¬›æ¼” 1 æ¦‚è¦ â€¢ Ted CoddãŒæå”±ã—ãŸé–¢ä¿‚ãƒ¢ãƒ‡ãƒ«ã®å®Ÿè£…ã¯ã€å½“åˆã€IBMã§ç ”ç©¶é–‹ç™ºãŒ è¡Œã‚ã‚Œã€ãã®ä¸ã§ã€ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹è¨€èªžã¨ã—ã¦ã€SQLè¨€èªžãŒé–‹ç™ºã•ã‚ŒãŸã€‚ â€¢ ãã®å¾Œã€SQLè¨€èªžã®é–‹ç™ºã®å ´ã¯ã€ISOã«ç§»ã•ã‚Œã€SQL87ä»¥æ¥ã€æœ€æ–°ã® SQL2013ã¾ã§å¤§ããæ©Ÿèƒ½å¼·åŒ–ãŒè¡Œã‚ã‚Œã¦ããŸã€‚ â€¢ SQLè¨€èªžã®é–‹ç™ºã§æ—¥æœ¬ã¯ã€ãƒžãƒ«ãƒãƒ¡ãƒ‡ã‚£ã‚¢æ‹¡å¼µã§ã‚ã‚‹SQL/MMã®ææ¡ˆ ã‚’å«ã‚ã€ä¸»è¦ãªè²¢çŒ®ã‚’è¡Œã£ã¦ããŸã€‚ â€¢ ã“ã“ã§ã¯ã€30å¹´è¶…ã«ãŠã‚ˆã¶é–‹ç™ºã®ä¸ã§æ—¥æœ¬ã¯ä½•ã‚’è€ƒãˆã€è²¢çŒ®ã‚’è¡Œã£ã¦ ããŸã‹ã‚’æŒ¯ã‚Šè¿”ã‚‹ã€‚ 2016-03-01 æ—¥æœ¬ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹å¦ä¼šåŠŸåŠ´è³žè¨˜å¿µè¬›æ¼” 2 2016-03-01 æ—¥æœ¬ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹å¦ä¼šåŠŸåŠ´è³žè¨˜å¿µè¬›æ¼” 3 é–¢ä¿‚ãƒ¢ãƒ‡ãƒ«ã®ææ¡ˆã¨ãã®å®Ÿè£… â€¢ Ted Coddã«
oza_x86 2016/03/01
DEIM

DB

SQL
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BayesDB â€“ MIT Probabilistic Computing Project
BayesDB is a probabilistic programming platform that provides built-in non-parametric Bayesian model discovery. BayesDB makes it easy for users without statistics training to search, clean, and model multivariate databases using an SQL-like language. BayesDB is based on probabilistic programming, an emerging field based on the insight that probabilistic models and inference algorithms are a new ki
oza_x86 2014/05/29
DB

BayesDB
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oza_x86 2014/05/02
DB

research
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DBSJ Newsletter Vol.7, No.2 2013å¹´åº¦ä¸Šæž—å¥¨åŠ±è³žã‚’æŽˆè³žã—ã¦ | æ—¥æœ¬ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹å¦ä¼š
dbjapanãƒ¡ãƒ¼ãƒªãƒ³ã‚°ãƒªã‚¹ãƒˆã‚¢ãƒ¼ã‚«ã‚¤ãƒ–ï¼ˆ2014å¹´ï¼‰ DBSJ Newsletter Vol.7, No.2 2013å¹´åº¦ä¸Šæž—å¥¨åŠ±è³žã‚’æŽˆè³žã—ã¦ To: <dbjapan [at] dbsj.org> Subject: DBSJ Newsletter Vol.7, No.2 2013å¹´åº¦ä¸Šæž—å¥¨åŠ±è³žã‚’æŽˆè³žã—ã¦ From: SATOH T. <satoh [at] slis.tsukuba.ac.jp> Date: Thu, 1 May 2014 09:05:31 +0900 Cc: <satoh.tetsuji [at] gmail.com>, DBSJ_ePub_ex <news-com [at] dbsj.org> â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â” â”ƒã€€æ—¥æœ¬ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹å¦ä¼šã€€Newsletter â”ƒã€€2014å¹´5æœˆå· ( Vol. 7, No. 2
oza_x86 2014/05/01
DBSJ Newsletter Vol.7, No.2 ä¸Šæž—å¥¨åŠ±è³žã‚’æŽˆè³žã•ã‚ŒãŸæ–¹ã€…ã®å—è³žãƒ¡ãƒƒã‚»ãƒ¼ã‚¸ï¼Ž

DB
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oza_x86 2013/12/27
DB

schema
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http://atnd.org/events/33751
oza_x86 2012/11/12
DB
ãƒªãƒ³ã‚¯
http://atnd.org/events/32993
oza_x86 2012/11/12
DB

columnar
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A Database Query Language â€” HTSQL
OverviewÂ¶ HTSQL is a comprehensive navigational query language for relational databases. HTSQL is designed for data analysts and other accidental programmers who have complex business inquiries to solve and need a productive tool to write and share database queries. HTSQL is free and open source software. Overview a gentle introduction to HTSQL Handbook install, configure, and use HTSQL Tutorial l
oza_x86 2011/12/30
SQL

JSON

DB
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oza_x86 2011/11/25
case study

DB
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Top 5 Database Research Topics in 2008
å²¡é‡ŽåŽŸå›ãŒè‡ªç„¶è¨€èªžå‡¦ç†é–¢é€£ã§2008å¹´ã«èªã‚“ã è«–æ–‡ã®ãƒ™ã‚¹ãƒˆ5ã‚’ç´¹ä»‹ã—ã¦ã„ã¾ã™ã€‚ãã‚Œã«å€£ã£ã¦ã€åƒ•ã‚‚å€‹äººçš„ã«ã‚¤ãƒ³ãƒ‘ã‚¯ãƒˆã®ã‚ã£ãŸ2008å¹´ã®ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ç ”ç©¶ã®ãƒ™ã‚¹ãƒˆï¼•ã‚’é›†ã‚ã¦ã¿ã¾ã—ãŸã€‚ Michael J. Cahill, Uwe RÃ¶hm and Alan D. Fekete. Serializable Isolation for Snapshot Databases. SIGMOD 2008. (ACM DOI) çœŸã£å…ˆã«æ€ã„æµ®ã‹ã‚“ã§ããŸã®ãŒã“ã®è«–æ–‡ã€‚SIGMOD2008ã®ãƒ™ã‚¹ãƒˆãƒšãƒ¼ãƒ‘ãƒ¼ã§ã‚‚ã‚ã‚Šã¾ã™ã€‚åƒ•è‡ªèº«ã€ãƒˆãƒ©ãƒ³ã‚¶ã‚¯ã‚·ãƒ§ãƒ³å‡¦ç†ã‚’é•·ãç ”ç©¶ã—ã¦ã„ãŸçµŒé¨“ã‹ã‚‰ã€Serializabilityï¼ˆãƒ‡ã‚£ã‚¹ã‚¯ã®read/writeã®é †ç•ªã‚’ã‚ã‚‹ãƒ—ãƒãƒˆã‚³ãƒ«ã«å¾“ã£ã¦å…¥ã‚Œæ›¿ãˆã¦ã‚‚ã€ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã®æ¤œç´¢ãƒ»æ›´æ–°çµæžœã«å½±éŸ¿ã‚’ä¸Žãˆãªã„ï¼‰ã‚’ä¿éšœã—ã¤ã¤ã€ä¸€ç§’é–“ã‚ãŸã‚Šã«å‡¦ç†ã§ãã‚‹ãƒˆãƒ©ãƒ³ã‚¶ã‚¯ã‚·ãƒ§ãƒ³ã®æ•°ï¼ˆã¤ã¾ã‚Šã‚¹ãƒ«ãƒ¼ãƒ—ãƒƒãƒˆï¼‰ã‚’ä¸Šã’ã‚‹
oza_x86 2010/11/24
DBMS

DB

Transaction

Snapshot Isolation

research
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InfoQ: Webé–‹ç™ºè€…ãŒçŸ¥ã£ã¦ãŠãã¹ãå…«ã¤ã®åˆ†é›¢ãƒ¬ãƒ™ãƒ«
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oza_x86 2010/10/21
concurrency

DB

isolation
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HandlerSocketã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰å…¬é–‹ã—ã¾ã—ãŸ | BLOG - DeNA Engineering
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oza_x86 2010/09/27
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Vertica is now part of OpenText Analytics & AI.
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oza_x86 2010/09/15
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