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mysqlã«é–¢ã™ã‚‹ttakezawaã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (183)

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Amazon RDS for MySQLã§MySQLã‚¨ãƒ³ã‚¸ãƒ³ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã‚’5.5ã‹ã‚‰5.7ã¸ã‚¢ãƒƒãƒ—ã‚°ãƒ¬ãƒ¼ãƒ‰ã™ã‚‹æ–¹æ³• | Amazon Web Services
Amazon Web Services ãƒ–ãƒã‚° Amazon RDS for MySQLã§MySQLã‚¨ãƒ³ã‚¸ãƒ³ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã‚’5.5ã‹ã‚‰5.7ã¸ã‚¢ãƒƒãƒ—ã‚°ãƒ¬ãƒ¼ãƒ‰ã™ã‚‹æ–¹æ³• Amazon Web Servicesã§ã¯ã€ãƒ•ãƒ«ãƒžãƒãƒ¼ã‚¸ãƒ‰åž‹ã®ãƒªãƒ¬ãƒ¼ã‚·ãƒ§ãƒŠãƒ«ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã‚µãƒ¼ãƒ“ã‚¹ã¨ã—ã¦ã€Amazon Relational Database Service ï¼ˆAmazon RDSï¼‰ ãŠã‚ˆã³ Amazon Aurora ã‚’æä¾›ã—ã¦ã„ã¾ã™ã€‚Amazon RDS for MySQLã‚’åˆ©ç”¨ã™ã‚‹ã“ã¨ã§ã€AWSã‚¯ãƒ©ã‚¦ãƒ‰ä¸Šã§MySQLã‚’å®¹æ˜“ã«ãƒ‡ãƒ—ãƒã‚¤ã—ã€é‹ç”¨ç®¡ç†ã‚’è¡Œã†ã“ã¨ãŒã§ãã‚‹ã‚ˆã†ã«ãªã‚Šã¾ã™ã€‚ Amazon RDSã§ã¯ã€å®šæœŸçš„ã«ãƒ¡ã‚¸ãƒ£ãƒ¼ã¾ãŸã¯ãƒžã‚¤ãƒŠãƒ¼ã‚¨ãƒ³ã‚¸ãƒ³ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã®å»ƒæ¢ã‚’è¡Œã„ã¾ã™ã€‚ãƒ¡ã‚¸ãƒ£ãƒ¼ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã«ã¤ã„ã¦ã¯ã€ã‚³ãƒŸãƒ¥ãƒ‹ãƒ†ã‚£ç‰ˆã®å¯¾è±¡ãƒãƒ¼ã‚¸ãƒ§ãƒ³ãŒEOLã‚’è¿Žãˆã€ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã®ä¿®æ£ã‚„ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ã‚¢ãƒƒãƒ—ãƒ‡ãƒ¼ãƒˆãŒè¡Œã‚ã‚Œãªããªã£ãŸå ´åˆ
ttakezawa 2020/12/24
mysql

aws
ãƒªãƒ³ã‚¯
Suggested character set for non utf8 columns in mysql
ttakezawa 2019/04/13
mysql

performance
ãƒªãƒ³ã‚¯
Franchise: a sql notebook
No sign up, no install. Chart with a single click. Compare queries side by side. Download your work and share it with anyone. SQL without the Ceremony No sign up, no install. Start playing with your data quickly and securely. If your data is in a CSV, JSON, or XLSX file, loading it is as simple as dropping the file into Franchise. We run a version of the SQLite engine in your browser, so all proce
ttakezawa 2017/10/16
webservice

database

mysql

postgresql

bigquery
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MySQL 8.0 : ã‚¯ã‚¨ãƒªãƒ¼ã‚ãƒ£ãƒƒã‚·ãƒ¥ã®ã‚µãƒãƒ¼ãƒˆçµ‚äº† | Yakst
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ttakezawa 2017/06/24
mysql

performance
ãƒªãƒ³ã‚¯
MySQL with InnoDB ã®ã‚¤ãƒ³ãƒ‡ãƒƒã‚¯ã‚¹ã®åŸºç¤ŽçŸ¥è˜ã¨ã‚ã‚ŠãŒã¡ãªé–“é•ã„ - ã‚¯ãƒƒã‚¯ãƒ‘ãƒƒãƒ‰é–‹ç™ºè€…ãƒ–ãƒã‚°
ã“ã‚“ã«ã¡ã¯ã€ã‚µãƒ¼ãƒ“ã‚¹é–‹ç™ºéƒ¨ã®è’å¼• (@a_bicky) ã§ã™ã€‚ çªç„¶ã§ã™ãŒã€RDBMS ã®æ—¢å˜ã®ãƒ†ãƒ¼ãƒ–ãƒ«ã‚’è¦‹ã¦ã¿ãŸã‚‰ã€Œä½•ã§ã“ã‚“ãªã«ã‚¤ãƒ³ãƒ‡ãƒƒã‚¯ã‚¹ã ã‚‰ã‘ãªã®ï¼Ÿã€ã¿ãŸã„ãªçµŒé¨“ã¯ã‚ã‚Šã¾ã›ã‚“ã‹ï¼Ÿä¸è¦ãªã‚¤ãƒ³ãƒ‡ãƒƒã‚¯ã‚¹ã¯å®¹é‡ã‚’åœ§è¿«ã—ãŸã‚Šã€æŒ¿å…¥ãŒé…ããªã£ãŸã‚Šã¨è‰¯ã„ã“ã¨ãŒã‚ã‚Šã¾ã›ã‚“ã€‚ ãã‚“ãªã‚ã‘ã§ã€ä»Šå›žã¯ãƒ¬ã‚³ãƒ¼ãƒ‰ã‚’æ¤œç´¢ã™ã‚‹ãŸã‚ã«å¿…è¦ãªã‚¤ãƒ³ãƒ‡ãƒƒã‚¯ã‚¹ã®åŸºç¤ŽçŸ¥è˜ã¨ã€ã‚ˆãè¦‹ã‹ã‘ã‚‹ä¸é©åˆ‡ãªã‚¤ãƒ³ãƒ‡ãƒƒã‚¯ã‚¹ã«ã¤ã„ã¦è§£èª¬ã—ã¾ã™ã€‚ã‚¯ãƒƒã‚¯ãƒ‘ãƒƒãƒ‰ã§ã¯ Rails ã®ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã¨ã—ã¦ä¸»ã« MySQL 5.6ã€MySQL ã®ã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ã‚¨ãƒ³ã‚¸ãƒ³ã¨ã—ã¦ä¸»ã« InnoDB ã‚’ä½¿ã£ã¦ã„ã‚‹ã®ã§ã€MySQL 5.6 ã® InnoDB ã«ã¤ã„ã¦è§£èª¬ã—ã¾ã™ã€‚ InnoDB ã®ã‚¤ãƒ³ãƒ‡ãƒƒã‚¯ã‚¹ã«é–¢ã™ã‚‹åŸºç¤ŽçŸ¥è˜ ã‚¤ãƒ³ãƒ‡ãƒƒã‚¯ã‚¹ã®æ§‹é€ (B+ æœ¨) InnoDB ã§ã¯ B+ æœ¨ãŒä½¿ã‚ã‚Œã¦ã„ã¾ã™ã€‚B+ æœ¨ã¯æ¬¡ã®ã‚ˆã†ãªç‰¹å¾´ã‚’æŒã£ãŸæœ¨æ§‹é€ ã§ã™ã€‚ æ¬¡æ•°ã‚’ b ã¨ã™ã‚‹ã¨ã€
ttakezawa 2017/04/19
mysql
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GitHub - square/shift: shift is an application that helps you run schema migrations on MySQL databases
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ttakezawa 2017/03/25
database

mysql

percona

online-schema-change
ãƒªãƒ³ã‚¯
DBã®intæž¯æ¸‡ã‚’ç›®ã®å‰ã«ã—ãŸåƒ•ã‚‰ã¯ - Qiita
Deleted articles cannot be recovered. Draft of this article would be also deleted. Are you sure you want to delete this article? MySQLã®intåž‹ã¯ç¬¦å·ä»˜ãã§ã€€-2147483647ã€œ2147483647 ã®ç¯„å›²ã‚’ã‚µãƒãƒ¼ãƒˆã—ã€ãƒ¬ã‚³ãƒ¼ãƒ‰ã‚’è¨˜éŒ²ã™ã‚‹éš›ã«ã“ã®ç¯„å›²ã‚’è¶…ãˆã¦è¨˜éŒ²ã—ã‚ˆã†ã¨ã™ã‚‹ã¨ã‚‚ã¡ã‚ã‚“ã‚¨ãƒ©ãƒ¼ã¨ãªã‚Šã¾ã™ã€‚ ã“ã‚Œã¯ã€é•·ã„é‹ç”¨ã®æœ«ã«ãƒ‡ãƒ¼ã‚¿ãŒè†¨å¤§ã«ãªã‚Šã€ã¤ã„ã«intã®ã‚µãƒãƒ¼ãƒˆç¯„å›²ãŒæž¯æ¸‡å¯¸å‰ã¨ãªã£ãŸè©±ã§ã™ã€‚ æ–¹é‡ DBã¯AWS Auroraã‚’ä½¿ç”¨ã—ã¦ãŠã‚Šã€ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã¯Railsã§æ§‹ç¯‰ã•ã‚Œã¦ã„ã¾ã™ã€‚Railsã®Migrationã¯ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã§idã‚«ãƒ©ãƒ ã‚’AUTO INCREMENTã®intåž‹ã§ä½œæˆã—ã¾ã™1ã€‚ã‚µãƒ¼ãƒ“ã‚¹ã®ç‰¹å¾´ã¨ã—ã¦ã¯ä»–ã®ã‚µãƒ¼ãƒ“ã‚¹ã¨æ¯”è¼ƒã™ã‚‹ã¨é«˜ãƒˆãƒ©ãƒ•ã‚£
ttakezawa 2017/03/02
aws

rds

aurora

mysql
ãƒªãƒ³ã‚¯
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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ttakezawa 2017/02/14
web

http

tcp

mysql
ãƒªãƒ³ã‚¯
GitHub - seamusabshere/upsert: Upsert on MySQL, PostgreSQL, and SQLite3. Transparently creates functions (UDF) for MySQL and PostgreSQL; on SQLite3, uses INSERT OR IGNORE.
Make it easy to upsert on traditional RDBMS like MySQL, PostgreSQL, and SQLite3â€”hey look NoSQL!. Transparently creates (and re-uses) stored procedures/functions when necessary. You pass it a bare-metal connection to the database like Mysql2::Client (from mysql2 gem on MRI) or Java::OrgPostgresqlJdbc4::Jdbc4Connection (from jdbc-postgres on Jruby). As databases start to natively support SQL MERGE (
ttakezawa 2016/11/29
rails

mysql

library
ãƒªãƒ³ã‚¯
Rails4 ã§ MySQL ã® utf8mb4 ã‚’æ‰±ã† - xyk blog
ç’°å¢ƒï¼š MySQL Server version: 5.6.19 Rails 4.1.5 iPhone ã®çµµæ–‡å—ã‚’ MySQL ã«ç™»éŒ²ã—ã‚ˆã†ã¨ã—ãŸã‚‰Mysql2::Error: Incorrect string value:...ã¨ã„ã†ã‚¨ãƒ©ãƒ¼ãŒå‡ºãŸã€‚3ãƒã‚¤ãƒˆã«åŽã¾ã‚‰ãªã„4ãƒã‚¤ãƒˆUTF-8ã‚’æ‰±ã†ã«ã¯ MySQL 5.5.3 ä»¥ä¸Šã§ã‚ãƒ£ãƒ©ã‚¯ã‚¿ã‚»ãƒƒãƒˆã‚’utf8mb4ã«ã™ã‚‹å¿…è¦ãŒã‚ã‚‹ã€‚ database.yml ã® encoding ã‚’ utf8 ã‹ã‚‰ utf8mb4 ã«å¤‰æ›´ã—ãŸã€‚ config/database.yml ä¿®æ£å‰ï¼š default: &default adapter: mysql2 encoding: utf8 pool: 5 username: root password: socket: /tmp/mysql.sock development: <<: *default dat
ttakezawa 2016/10/06
mysql

charset
ãƒªãƒ³ã‚¯
gh-ostï¼šGitHubã®MySQLå‘ã‘ã‚ªãƒ³ãƒ©ã‚¤ãƒ³ãƒ»ã‚¹ã‚ãƒ¼ãƒžãƒ»ãƒžã‚¤ã‚°ãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ãƒ„ãƒ¼ãƒ« | POSTD
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ttakezawa 2016/10/03
mysql

github
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ttakezawa 2016/08/02
github

mysql
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Uberã®Postgresqlã‹ã‚‰NoSQL on MySQLã¸ã®ç§»è¡Œã‚’èªã‚“ã§ã–ã£ãã‚Šã¾ã¨ã‚ãŸ
Uber-migrated-pg-to-mysql.md Why Uber Engineering Switched from Postgres to MySQL - Uber Engineering Blog ã®ã¾ã¨ã‚ Posgresqlã ã¨ pgã¯è¿½è¨˜åž‹ãªã®ã§å°‘ã—ã®æ›´æ–°ã§ã‚‚å¤šãã®diskã¸ã®writeãŒãŠãã‚‹ ã‚«ãƒ©ãƒ ã‚’ä¸€ã¤æ›´æ–°ã—ãŸã ã‘ã§å¤šãã®indexã®æ›¸ãæ›ãˆãŒèµ·ã“ã‚‹ ã‚ˆã£ã¦ã€replicationã¯WALã‚’é€ã‚‹ã®ã§æ›´æ–°ãŒå¤šã„ã¨WALãŒå¤§é‡ã«é€ã‚‰ã‚Œã‚‹ repcliationã§ã¯ç‰©ç†çš„ãªdiskã®å¤‰æ›´ã‚’é€ã‚‹ DCé–“ã§ãƒ¬ãƒ—ãƒªã™ã‚‹ã¨ãã¤ã„ bugãŒã‚ã£ã¦replicaé–“ã§MVCCã®ä¸æ•´åˆãŒèµ·ãã‚‹ masterã¨replicaåŒã˜diskä¸Šã®ãƒ‡ãƒ¼ã‚¿æ§‹æˆã‚’å…±æœ‰ã™ã‚‹ã®ã§upgradeãŒã¤ã‚‰ã„ cache readã¯syscallã¨osã®page cacheçµŒç”±ãªã®ã§é‡ã„ 1ã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³1ãƒ—ãƒã‚»ã‚¹
ttakezawa 2016/07/28
mysql

postgresql

uber
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MySQL5.5ã§æºå¸¯ã®çµµæ–‡å—å¯¾å¿œã®ç‚ºã«æ–‡å—ã‚³ãƒ¼ãƒ‰ã‚’utf8mb4ã«ã™ã‚‹æ–¹æ³• | ã‚«ãƒ•ãƒ¼ãƒ–ãƒã‚°
ã©ã†ã‚‚ã€ã‚¿ã‚«ãƒ•ã§ã™ã€‚ MySQLã«çµµæ–‡å—ãŒæ ¼ç´å‡ºæ¥ãªã„ã“ã¨ã«ã¯ã¾ã‚Šã€çµè«–ã¨ã—ã¦ã¯æ–‡å—ã‚³ãƒ¼ãƒ‰ã‚’utf8mb4ã«è¨å®šã™ã‚‹ã“ã¨ã§è§£æ±ºã—ãŸã®ã§ã™ãŒã€ ã“ã®WEBãƒ‡ãƒ™ãƒãƒƒãƒ‘ãƒ¼ãªã‚‰å¿…ãšä¸€åº¦ã¯ã¤ã¾ãšãã€ŒMySQLã®æ–‡å—ã‚³ãƒ¼ãƒ‰ã€ã«ã¤ã„ã¦æœ¬æ—¥ã®è¨˜äº‹ã«ã—ãŸã„ã¨æ€ã„ã¾ã™ã€‚ ã¨ã€ãã®å‰ã«ä»Šå›žã®è¨˜äº‹ã¯ã€MySQLã¨è¨€ãˆã°ã®ã‚µã‚¤ãƒˆã€Œæ¼¢ã®ã‚³ãƒ³ãƒ”ãƒ¥ãƒ¼ã‚¿ãƒ¼é“ã€ã®å¥¥é‡Žæ§˜ã®æœ¬ã‚’å¤šã„ã«å‚è€ƒã«ã—ã¾ã—ãŸã€‚ http://www.amazon.co.jp/exec/obidos/asin/4774142948 MySQLã‚’å‹‰å¼·ã™ã‚‹ãªã‚‰ã“ã‚Œä»¥ä¸Šã®æœ¬ã¯ãªã„ã§ã™ã€‚è²·ã£ã¦ãŠã„ã¦æã¯ã—ãªã„ã¨æ€ã„ã¾ã™ã€‚æ˜¯éžã€‚ ãã‚Œã§ã¯æœ¬é¡Œã€‚ã¾ãšã€ä»Šç¾åœ¨ç§ã®ãƒ†ã‚¹ãƒˆã‚µãƒ¼ãƒãƒ¼ã®mysqlã«ãƒã‚°ã‚¤ãƒ³ã—ã¦ä»¥ä¸‹ã®ã‚³ãƒžãƒ³ãƒ‰ã‚’å©ã„ã¦ã¿ã¾ã—ãŸã€‚ bash mysql> SHOW VARIABLES WHERE Variable_name LIKE 'character\_set\
ttakezawa 2016/04/12
mysql

charset
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SQLã‚¢ãƒ³ãƒãƒ‘ã‚¿ãƒ¼ãƒ³ 26ç« ã€Œã¨ã‚Šã‚ãˆãšå‰Šé™¤ãƒ•ãƒ©ã‚°ã€ 2015/08/31 @ GMO Yours #ronsakucasual https://atnd.org/events/68902
ttakezawa 2016/01/25
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mysql
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GitHub - greenlion/swanhart-tools: Swanhart Toolkit - MySQL tools for MPP query, Materialized Views, Async queries, and JSON UDF
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ttakezawa 2015/10/13
mysql

flexviews
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MySQLã®æ–‡å—ã‚³ãƒ¼ãƒ‰ã‚’utf8mb4ã«å¤‰æ›´ - Qiita
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ttakezawa 2015/08/29
mysql
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MyNA(æ—¥æœ¬MySQLãƒ¦ãƒ¼ã‚¶ä¼š)ä¼š 2015å¹´8æœˆ ãƒŽãƒ¼ãƒˆ - Qiita
Deleted articles cannot be recovered. Draft of this article would be also deleted. Are you sure you want to delete this article? ã¯ã˜ã‚ã« @kamipo ã•ã‚“Oracle ACEãŠã‚ã§ã¨ã†ã”ã–ã„ã¾ã™ã€‚ GMOã•ã‚“ã¨@yoku0825ã•ã‚“ã€ä¼šå ´æä¾›ã¨é‹å–¶ã‚ã‚ŠãŒã¨ã†ã”ã–ã„ã¾ã—ãŸã€‚ ç™ºè¡¨è€…æ§˜ã®æœ¬è³ªã¨é•ã£ã¦ã„ã‚‹å¯èƒ½æ€§ã‚‚ã‚ã‚Šã¾ã™ã€‚(ä¸€éƒ¨ä¸»è¦³ã‚‚è¨˜è¿°ã—ã¦ã‚ã‚Šã¾ã™ã€‚) ãã£ã¨è³‡æ–™ã¯SlideShareã‚ãŸã‚Šã«å‡ºã¦ãã‚Œã‚‹ã¨ä¿¡ã˜ã¦ãƒ»ãƒ»ãƒ» MySQLã®ã“ã¨ãªã‚‰http://mysql-casual-slackin.herokuapp.com @Slackã«ç™»éŒ²ã‚’ã¨ã®ã“ã¨ã€‚ MySQLãƒ¦ãƒ¼ã‚¶ä¼šã‹ã‚‰ã®ãŠçŸ¥ã‚‰ã› ãƒ¦ãƒ¼ã‚¶ä¼š2015/10/30(é‡‘)ã«ãƒ¦ãƒ¼ã‚¶ä¼šã®15å‘¨å¹´ãƒ‘ãƒ¼ãƒ†ã‚£ãŒã‚ã‚‹ãã†ã§ã™ã€‚
ttakezawa 2015/08/29
mysql
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DAVID CHUA - Development Notes of a Ruby Server Geek
If you ever get this error message: Incorrect string value: '\xF0\x90\x8D\x83\xF0\x90...' for column 'content' at row You probably have experienced at one point, the horrors that is mysqlâ€™s utf8 4-byte encoding. If youâ€™re using MySQL 5.4 and below, thereâ€™s no way to solve this without a proper upgrade to at least MySQL 5.5. My steps: Ensure Iâ€™m using the latest version (MySQL > 5.5) Setup your /et
ttakezawa 2015/08/20
utf8mb4

rails

mysql
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ttakezawa 2015/07/09
sqlmodeã«ã¤ã„ã¦

mysql
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