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databaseã«é–¢ã™ã‚‹kimutanskã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (13)

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Webã‚·ã‚¹ãƒ†ãƒ ã«ãŠã‘ã‚‹ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹æŽ¥ç¶šã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£æ¦‚è«– - ã‚†ã†ã†ããƒ–ãƒã‚°
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kimutansk 2015/07/01
Perlç‰ã®ãƒ—ãƒã‚»ã‚¹ç”Ÿæˆç³»è¨€èªžï¼JVMç³»è¨€èªžÃ—Postgresï¼MySQLã§ç‰¹å¾´çš„ã«ã¯ãã‚Œãªã‚Šã«ç¶²ç¾…ã•ã‚Œã‚‹ã®ã§è°è«–ã®ãŸãŸãå°ã¨ã—ã¦ã¯ã„ã„ã§ã™ãã€‚

database

architecture
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Data.gov Home - Data.gov
An official website of the United States government Here's how you know The .gov means it's official. Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you're on a federal government site. The site is secure. The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted sec
kimutansk 2014/11/14
æ—¥æœ¬ã‚ˆã‚Šã‚¢ãƒ¡ãƒªã‚«ã®æ–¹ãŒã¨ã‚Šã‚ãˆãšã‚„ã£ã¦ã¿ã‚ˆã†ã€ã¨æ€ã‚ã›ã‚‹ãƒ‡ãƒ¼ã‚¿ã§ã¯ã‚ã‚Šã¾ã™ãã‡

database

government

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é•·å¹´ã®è°è«–ã«çµ‚æ¢ç¬¦ -- MySQLã€MariaDBã€PostgreSQLã®ã‚ªãƒ—ãƒ†ã‚£ãƒžã‚¤ã‚¶/ã‚¨ã‚¯ã‚¼ã‚ãƒ¥ãƒ¼ã‚¿æ¯”è¼ƒ - interdbâ€™s blog
https://mariadb.com/kb/en/optimizer-switch/ã«ã‚ã‚‹ã‚ˆã†ã«ã€MariaDBã®ã‚ªãƒ—ãƒ†ã‚£ãƒžã‚¤ã‚¶ã¯ã‹ãªã‚Šæ”¹è‰¯ã•ã‚Œã¦ã„ã‚‹ã€‚ ã§ã¯ã€MariaDBã®ã‚ªãƒ—ãƒ†ã‚£ãƒžã‚¤ã‚¶/ã‚¨ã‚¯ã‚¼ã‚ãƒ¥ãƒ¼ã‚¿ã¯ã©ã®ç¨‹åº¦å„ªç§€ã‹ã€ï¼”ã¤ã®SELECTæ–‡ã®å®Ÿè¡Œã‚’é€šã—ã¦MySQLã¨(ã¤ã„ã§ã«PostgreSQLã¨)æ¯”è¼ƒã—ã¦ã¿ã‚‹ã€‚ (2014.12.3è¿½è¨˜ï¼šã‚ªãƒ—ãƒ†ã‚£ãƒžã‚¤ã‚¶ã«ã¤ã„ã¦ã¯çœç•¥ã—ã¦ã¾ã™ãŒã€ã“ã‚“ãªæœ¬ãŒã§ã¾ã™ã€‚) çµè«–ã‚’å…ˆã«ã„ãˆã°ã€ŒMySQLã¯æ¤œç´¢ãŒé€Ÿã„ã€ã¨ã„ã†ã®ã¯éƒ½å¸‚ä¼èª¬ã€‚MariaDBã¯ãŒã‚“ã°ã£ã¦ã‚‹ã‘ã©PostgreSQLã«ã¯ã¾ã ã¾ã åŠã°ãšã€‚ ï¼Šå¿µã®ãŸã‚ã€‚ã“ã‚Œã¯ãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯ã˜ã‚ƒãªã„ã‚ˆã€ã‚ªãƒ—ãƒ†ã‚£ãƒžã‚¤ã‚¶/ã‚¨ã‚¯ã‚¼ã‚ãƒ¥ãƒ¼ã‚¿ã®æ©Ÿèƒ½æ¯”è¼ƒã§ã™ã€‚ è‡ªåˆ†ã§å†ç¢ºèªã—ãŸã„å ´åˆã¯ã“ã¡ã‚‰ã«ã‚¹ã‚¯ãƒªãƒ—ãƒˆç¾¤ã¨å®Ÿé¨“ã®ã‚„ã‚Šæ–¹ã‚’ç°¡å˜ã«æ›¸ã„ãŸã®ã§å‚ç…§ã®ã“ã¨ã€‚ èª¿æŸ»ç’°å¢ƒ åŒä¸€ãƒžã‚·ãƒ³ã«MySQL5.6.14ã€MariaDB10.0.4ã€
kimutansk 2013/10/25
éƒ½å¸‚ä¼èª¬ã‚’çŸ¥ã‚‰ãªã‹ã£ãŸã‚¯ãƒã§ã™ãŒã€ã“ã†ã„ã†æ¯”è¼ƒã¯å‚è€ƒã«ãªã‚Šã¾ã™ãã‡

database

Performance
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Oracle 12.1cã¯ã‚«ãƒ©ãƒ åž‹ã‚¤ãƒ³ãƒ¡ãƒ¢ãƒªãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã«ãªã‚‹ã¨ã‚¨ãƒªã‚½ãƒ³æ°ã€‚32TBãƒ¡ãƒ¢ãƒªã®SPARCã‚µãƒ¼ãƒã¨çµ„ã¿åˆã‚ã›
Oracle 12.1cã¯ã‚«ãƒ©ãƒ åž‹ã‚¤ãƒ³ãƒ¡ãƒ¢ãƒªãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã«ãªã‚‹ã¨ã‚¨ãƒªã‚½ãƒ³æ°ã€‚32TBãƒ¡ãƒ¢ãƒªã®SPARCã‚µãƒ¼ãƒã¨çµ„ã¿åˆã‚ã› ç±³ã‚ªãƒ©ã‚¯ãƒ«CEOã®ãƒ©ãƒªãƒ¼ãƒ»ã‚¨ãƒªã‚½ãƒ³æ°ã¯å…ˆæ—¥è¡Œã‚ã‚ŒãŸé›»è©±ä¼šè¦‹ã«ã¦ã€Oracle 12.1cãŒã‚«ãƒ©ãƒ åž‹ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã¨ã‚¤ãƒ³ãƒ¡ãƒ¢ãƒªãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹æ©Ÿèƒ½ã‚’å‚™ãˆã‚‹ã€ã¨ç™ºè¨€ã—ãŸã¨å ±é“ã•ã‚Œã¦ã„ã¾ã™ã€‚ Oracle Makes Big Promises After Weak Earnings - InformationWeek Oracle 12.1c database planned as SAP HANA competitor - CIO magazine CIO magazineã®è¨˜äº‹ã‹ã‚‰ã€ã‚¨ãƒªã‚½ãƒ³æ°ã®ç™ºè¨€ã‚’å¼•ç”¨ã—ã¾ã—ã‚‡ã†ã€‚ Oracle Database 12.1c will be a "columnar, compressed, high-speed, in-memory data
kimutansk 2013/06/25
32TBã®ãƒ¡ãƒ¢ãƒªç©ã‚“ã§ã‚¤ãƒ³ãƒ¡ãƒ¢ãƒªãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã¨ã¯ãƒ»ãƒ»ãƒ»ã€€æ—¢ã«ã€ã‚¤ãƒ³ãƒ¡ãƒ¢ãƒªã¨è¨€ã£ã¦æ€ã„æµ®ã‹ã¹ã‚‹ã‚µã‚¤ã‚ºã‚’ã¶ã£ã¡ãŽã£ã¦ã¾ã™ãã‡ã€‚ã“ã‚Œã¯ã™ã”ã„ã€‚

oracle

database
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TechEmpower Framework Benchmarks
Performance comparison of a wide spectrum of web application frameworks and platforms using community-contributed test implementations.
kimutansk 2013/05/04
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database

web

Framework

benchmark
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Making Snapshot Isolation Serializableã€€å†è€ƒ - æ€¥ãŒã°å›žã‚Œã€é¸ã¶ãªã‚‰è¿‘é“
Making Snapshot Isolation Serializable å†è€ƒ â– 2013å¹´çš„ãªä½ç½®ä»˜ã‘ ã¾ãšã¡ã‚‡ã†ã©å¹´åº¦ã®é–‹å§‹ãªã®ã§ã€ä»Šå¹´ã¯è‡ªåˆ†çš„ã«ã¯RDBMSé–¢é€£ã®ä½ç½®ä»˜ã‘ã¨ã‹æ•´ç†ã—ã¦ãŠãã¾ã™ã€‚åŽ»å¹´ã®å¾ŒåŠã‚ãŸã‚Šã‹ã‚‰ã®åŒ‚ã„ã§ã™ãŒã€NoSQLçš„ãªç™ºå±•ã¨åˆã‚ã›ã¦ã€æœ¬æ ¼çš„ãªDBå›žå¸°ãŒå§‹ã¾ã£ã¦ã„ã‚‹æ„Ÿã˜ã§ã™ã€‚NoSQLç³»ã®ã»ã¼è‡´å‘½çš„ãªå¼±ç‚¹ã®ä¸€ã¤ãŒtransactionå‡¦ç†ã§ã‚ã‚‹ã“ã¨ã¯æŒ‡æ‘˜ã‚‚å¤šã„ã¨ã“ã‚ã§ã™ã€‚è¦ã™ã‚‹ã«ãƒ‡ãƒ¼ã‚¿ãŒæ›¸ãè¾¼ã‚ã¦ã‚‚ä¸æ•´åˆãŒç™ºç”Ÿã—ã¾ã™ãã€ã¨ã„ã†ã“ã¨ã«ãªã£ã¦ã—ã¾ã„ã¾ã™ã€‚ã“ã‚Œã§ã¯ãªã‹ãªã‹ä½¿ãˆãªã„ã€ã¨ã„ã†ã®ãŒç¾çŠ¶ã§ã—ã‚‡ã†ã€‚ ãªã®ã§ã€RDBMã®æœ€è‰¯ã®ãƒŽã‚¦ãƒã‚¦ã§ã‚ã‚‹transactionå‡¦ç†ã¨NoSQLçš„ãªåˆ†æ•£å‡¦ç†ã‚’ã¡ã‚ƒã‚“ã¨æ•´åˆæ€§ã¨ã‚Œã‚‹ã‚ˆã†ã«ã—ã¾ã—ã‚‡ã†ã€ã¨ã„ã†è‡ªç„¶ãªæµã‚Œã¯å¾“å‰ã‚ˆã‚Šã‚‚ã‚ˆã‚Šå¼·ã„è¦è«‹ãŒåƒãã§ã—ã‚‡ã†ã€‚(ã§ãã‚‹ã‹ã©ã†ã‹ã¯åˆ¥ã§ã™ãŒã€‚) ãã‚Œã§ã€ãã‚ãã‚ãªã‚“ã‹ãã®æ‰‹ã®ã‚‚ã®ãŒRDBMSã‚µ
kimutansk 2013/04/01
transactionã¨NoSQLçš„ãªåˆ†æ•£å‡¦ç†ã®æ•´åˆæ€§ã¯å–ã‚Œã‚‹ã‚“ã§ã—ã‚‡ã†ã‹ãã€‚ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯é…å»¶ã¨ã„ã†å£ãŒã‚ã‚‹ã®ã§ã€OKãƒ‘ã‚¿ãƒ¼ãƒ³ã‚’ä¿è¨¼ã—ã¦ãã‚Œã«åˆã†ã‚¢ãƒ—ãƒªã§ä½¿ã„åˆ†ã‘ã‚‹ã—ã‹ãªã„æ°—ãŒãƒ»ãƒ»ãƒ»ãã®è¾ºç´ äººã§ã™ãŒ

NoSQL

database

transaction
ãƒªãƒ³ã‚¯
OOP ã¨ RDB ã®ã€Œã‚¤ãƒ³ãƒ”ãƒ¼ãƒ€ãƒ³ã‚¹ãƒŸã‚¹ãƒžãƒƒãƒã€è°è«–ã®èµ·æºã‚’æŽ¢ã‚‹
OOP ã¨ RDB ã®ã€Œã‚¤ãƒ³ãƒ”ãƒ¼ãƒ€ãƒ³ã‚¹ãƒŸã‚¹ãƒžãƒƒãƒã€è°è«–ã®èµ·æºã‚’æŽ¢ã‚ã†ã¨èª¿ã¹å§‹ã‚ãŸã‚‰ã€æœ‰ç”¨ãªæƒ…å ±ã‚’é ‚ã„ãŸã®ã§ã¾ã¨ã‚ã¾ã™ã€‚ ã“ã®ãƒªã‚¹ãƒˆã¯èª°ã§ã‚‚ç·¨é›†å¯ã«ã—ã¦ãŠãã¾ã™ã®ã§ã€æƒ…å ±ãŒã”ã–ã„ã¾ã—ãŸã‚‰è‡ªç”±ã«è¿½åŠ /ç·¨é›†ã—ã¦ãã ã•ã„ã€‚
kimutansk 2013/02/08
ãµã‚€ã‚€ã€‚ã“ã®è¾ºã®æºã«ã¤ã„ã¦ã¯è‹¦åŠ´ã•ã›ã‚‰ã‚Œã‚‹ã®ã§å¾Œã§ç¢ºèªã—ã¾ã—ã‚‡ã†

database

terminology
ãƒªãƒ³ã‚¯
Updated database landscape graphic â€” Too much information
One of the most popular pieces I have produced since joining 451 is not a research report or presentation but the database landscape graphic that accompanied our NoSQL, NewSQL and Beyond report. Weâ€™ve seen it crop up in other presentations and websites â€“ sometimes even with attribution ðŸ˜‰ We actually updated the image to accompany our more recent report MySQL vs. NoSQL and NewSQL: 2011-2015 but I
kimutansk 2012/11/03
ã¨ã‚Šã‚ãˆãšã©ã‚“ãªãƒ—ãƒãƒ€ã‚¯ãƒˆãŒã‚ã‚‹ã‹ä¿¯çž°ã§ãã‚‹ã®ã¯ã„ã„ã§ã™ã

database

NoSQL
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Data Models
Data Models: A Comprehensive Guide to Structuring Information for Optimal Insights and Decision-Making In the realm of data management, the use of effective data models plays a pivotal role in organizing and representing information in a structured and meaningful way. Data models serve as the blueprint for databases, facilitating efficient data storage, retrieval, and analysis. This article delves
kimutansk 2012/10/17
database

library

DB

è¨è¨ˆ

Design Pattern
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Twitter, PayPal reveal database performance
Engineers at Twitter, Paypal have joined Facebook in offering a look under the hood of the massive MySQL deployments that drive their web services. Database and application engineers at both of the web giants provided intimate details of how they use MySQL open source relational databases to run globally-distributed, highly available and consistent web applications. The move echoes a Facebook webc
kimutansk 2012/10/10
è‰²ã€…ã‚«ã‚¹ã‚¿ãƒ ã—ãŸã‚ŠClusteråŒ–ã—ã¦ã„ã‚‹ã«ã—ã‚ã€ã“ã“ã¾ã§ã®æ€§èƒ½ã‚’ãŸãŸãå‡ºã›ã‚‹ã‚‚ã®ãªã‚“ã§ã™ã‹ãƒ»ãƒ»ãƒ»

database

mysql

facebook

Twitter
ãƒªãƒ³ã‚¯
Spanner: Google's Globally-Distributed Database
Spanner is Google's scala ble, multi-version, globally-distributed, and synchronously-replicated database. It is the first system to distribute data at global scale and support externally-consistent distributed transactions. This paper describes how Spanner is structured, its feature set, the rationale underlying various design decisions, and a novel time API that exposes clock uncertainty. This AP
kimutansk 2012/09/25
Spanner

google

Distributed

database
ãƒªãƒ³ã‚¯
NimbusSanL-Regu
Processing a Trillion Cells per Mouse Click Alexander Hall, Olaf Bachmann, Robert BuÌˆssow, Silviu GaÌ†nceanu, Marc Nunkesser Google, Inc. {alexhall, olafb, buessow, silviu, marcnunkesser}@google.com ABSTRACT Column-oriented database systems have been a real game changer for the industry in recent years. Highly tuned and performant systems have evolved that provide users with the possibility of answ
kimutansk 2012/09/08
ä¸ã€…éŽæ¿€ãªå‡¦ç†é€Ÿåº¦ã®ãƒ—ãƒãƒ€ã‚¯ãƒˆã€‚Googleã®ãƒ‡ãƒ¼ã‚¿è§£æžåŸºç›¤PowerDrillã®é–¢é€£è«–æ–‡

database

DB

web
ãƒªãƒ³ã‚¯
How to beat the CAPÂ theorem - thoughts from the red planet - thoughts from the red planet
September 2021 (1) March 2017 (1) January 2017 (1) July 2016 (1) June 2016 (1) September 2015 (1) October 2014 (1) June 2014 (1) May 2014 (1) February 2014 (2) April 2013 (3) March 2013 (1) September 2012 (1) February 2012 (1) January 2012 (1) October 2011 (1) March 2011 (1) January 2011 (3) December 2010 (2) November 2010 (1) October 2010 (2) August 2010 (2) July 2010 (2) June 2010 (1) May 2010 (
kimutansk 2012/03/31
å¦‚ä½•ã«CAPã€€theorem ã«å¯¾å¿œã™ã‚‹ã‹ï¼Ÿã€€é›£ã—ã„èª²é¡Œã§ã™ã‚ˆãã€‚

CAP

nosql

database
ãƒªãƒ³ã‚¯
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