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Amazon Aurora Serverless | AWS
Amazon Aurora Serverless ã¯ã€Amazon Aurora ã®ã‚ªãƒ³ãƒ‡ãƒžãƒ³ãƒ‰ã®è‡ªå‹•ã‚¹ã‚±ãƒ¼ãƒªãƒ³ã‚°è¨å®šã§ã™ã€‚ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ãƒ‹ãƒ¼ã‚ºã«å¿œã˜ã¦ã€è‡ªå‹•çš„ã«èµ·å‹•ã€ã‚·ãƒ£ãƒƒãƒˆãƒ€ã‚¦ãƒ³ã€ãŠã‚ˆã³å®¹é‡ã‚’ã‚¹ã‚±ãƒ¼ãƒ«ã‚¢ãƒƒãƒ—ã¾ãŸã¯ã‚¹ã‚±ãƒ¼ãƒ«ãƒ€ã‚¦ãƒ³ã—ã¾ã™ã€‚ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ã‚’ç®¡ç†ã›ãšã«ã‚¯ãƒ©ã‚¦ãƒ‰å†…ã§ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã‚’å®Ÿè¡Œã§ãã¾ã™ã€‚Aurora Serverless v2 ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ã‚’ã€æ—¢å˜ã¾ãŸã¯æ–°è¦ã®ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã‚¯ãƒ©ã‚¹ã‚¿ãƒ¼ã§ãƒ—ãƒãƒ“ã‚¸ãƒ§ãƒ‹ãƒ³ã‚°ã•ã‚ŒãŸã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ã¨ã¨ã‚‚ã«ä½¿ç”¨ã™ã‚‹ã“ã¨ã‚‚ã§ãã¾ã™ã€‚ ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã®å®¹é‡ã‚’æ‰‹å‹•ã§ç®¡ç†ã™ã‚‹ã¨ã€è²´é‡ãªæ™‚é–“ãŒå¥ªã‚ã‚Œã€ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ãƒªã‚½ãƒ¼ã‚¹ã®éžåŠ¹çŽ‡çš„ãªä½¿ç”¨ã«ã¤ãªãŒã‚‹ãŠãã‚ŒãŒã‚ã‚Šã¾ã™ã€‚Â Aurora Serverless ã§ã¯ã€ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã‚’ä½œæˆã—ã€å¿…è¦ã«å¿œã˜ã¦ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã®å®¹é‡ç¯„å›²ã‚’æŒ‡å®šã—ã€ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚’æŽ¥ç¶šã—ã¾ã™ã€‚ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ãŒã‚¢ã‚¯ãƒ†ã‚£ãƒ–ãªå ´åˆã«ä½¿ç”¨ã™ã‚‹ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã®å®¹
PaulYamamoto 2018/08/10
aws

db

cloud
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Scaling out relational data models, and SQL, through co-location
PaulYamamoto 2016/12/24
db
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GitHub - dhamaniasad/awesome-postgres: A curated list of awesome PostgreSQL software, libraries, tools and resources, inspired by awesome-mysql
Barman - Backup and Recovery Manager for PostgreSQL by 2ndQuadrant. OmniPITR - Advanced WAL File Management Tools for PostgreSQL. pg_probackup â€“ A fork of pg_arman, improved by @PostgresPro, supports incremental backups, backups from replica, multithreaded backup and restore, and anonymous backup without archive command. pgBackRest - Reliable PostgreSQL Backup & Restore. pg_back - pg_back is a sim
PaulYamamoto 2016/02/16
postgresql

db

operation
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Writing Blazing Fast MySQL Queries | Envato Tuts+
PaulYamamoto 2016/02/02
mysql

db
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Use this Neat Window Function Trick to Calculate Time Differences in a Time Series
Java, SQL and jOOQ. Best Practices and Lessons Learned from Writing Awesome Java and SQL Code. Get some hands-on insight on what's behind developing jOOQ.
PaulYamamoto 2015/05/14
ã“ã®SQLã™ã’ãƒ¼ä¾¿åˆ©ï¼

db
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GitHub - kakao/s2graph: This code base is retained for historical interest only, please visit Apache Incubator Repo for latest one
PaulYamamoto 2015/05/08
ã€€Scalaã§å‡ºæ¥ãŸgraphDB

db
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GitHub - solidsnack/GraphpostgresQL: GraphQL for Postgres
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PaulYamamoto 2015/03/15
postgreSQLã‚’graphDBã«ã—ã¦ãã‚Œã‚‹ã€‚

postgresql

db
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MariaDB DevOps: Installing MariaDB with SaltStack | MariaDB
PaulYamamoto 2015/02/11
db

operation

server
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Semantic Database: Concept, Architecture and Implementation
PaulYamamoto 2014/11/27
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db
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èª°ã‚‚æ•™ãˆã¦ãã‚Œãªã‹ã£ãŸMySQLã®éšœå®³è§£æžæ–¹æ³• - Qiita
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PaulYamamoto 2014/11/06
db

operation
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GitHub - dahlia/awesome-sqlalchemy: A curated list of awesome tools for SQLAlchemy
SQLAlchemy-Continuum Versioning and auditing extension for SQLAlchemy. Creates versions for inserts, deletes and updates. Does not store updates which don't change anything. Supports alem bic migrations. Can revert objects data as well as all object relations at given transaction even if the object was deleted. Transactions can be queried afterwards using SQLAlchemy query syntax. Query for changed
PaulYamamoto 2014/09/22
db

reference
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PostgreSQL9.3ã‚’ã‚«ãƒ©ãƒ æŒ‡å‘ã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸(cstore_fdw)ã«å¯¾å¿œã•ã›ã‚‹
åˆ†æžå‘ã‘ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã‚’å±•é–‹ã—ã¦ã„ã‚‹ CitusDB ãŒ PostgreSQL ã‚’åˆ—æŒ‡å‘ã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸å¯¾å¿œã•ã›ã‚‹ foreign data wrapper(cstore_fdw) ã‚’ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹åŒ–ã—ãŸã®ã§ã€ã¨ã‚Šã‚ãˆãšã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã—ã¦ã¿ãŸã€‚ cstore_fdw ã®ç‰¹å¾´ github ã® cstore_fdw ã«ç‰¹å¾´ãŒã¾ã¨ã‚ã‚‰ã‚Œã¦ã„ã‚‹ã€‚ http://citusdata.github.io/cstore_fdw/ ç®‡æ¡æ›¸ãã™ã‚‹ã¨ Faster Analytics â€“ Reduce analytics query disk and memory use by 10x Lower Storage â€“ Compress data by 3x Easy Setup â€“ Deploy as standard PostgreSQL extension Flexibility â€“ Mix row- and c
PaulYamamoto 2014/04/21
postgresql

db
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IBM Developer
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.
PaulYamamoto 2014/02/09
postgresql

db
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Java: Using the specification pattern with JPA
mscharhag, Programming and Stuff; // Blog of Michael Scharhag A blog about programming and software development topics, mostly focused on Java techno logies including Java EE, Spring and Grails.
PaulYamamoto 2014/01/10
java

design

db
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Postgres Indexes â€“ Expression/Functional Indexing - Craig Kerstiens
Postgres is rich with options for indexing. First youâ€™ve got a variety of types, and beyond that you can do a variety of things with each of these such as create unique indexes, use conditions to index only a portion of your data, or create indexes based on complex expressions or functions. In cases where you commonly use various PostgreSQL functions in your application or reporting you can get so
PaulYamamoto 2013/05/30
PostgreSQLã£ã¦ã‚¤ãƒ³ãƒ‡ãƒƒã‚¯ã‚¹ã¯ã‚‹ã®ã«é–¢æ•°ãŒä½¿ãˆã‚‹ã®çŸ¥ã‚‰ãªã‹ã£ãŸã€‚

postgresql

db
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https://wiki.postgresql.org/images/b/b4/Pg-as-nosql-pgday-fosdem-2013.pdf
PaulYamamoto 2013/04/02
postgresql

db

design
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SQL Fiddle - Online SQL Compiler for learning & practice
During Phase 1, only users who are logged in can access the AI chat feature. SQL Fiddle is free to use and ad-free! Want to help us? It takes 10 seconds Step 1: Like & Share our EFE Bulk Extensions videos Step 2: Like & Share our EFE Bulk Insert videos Thank During Phase 1, only users who are logged in can access the AI Editor feature. SQL Fiddle is free to use and ad-free! Want to help us? It tak
PaulYamamoto 2013/03/05
jsFiddleã®SQLç‰ˆã€DDLã‚‚ç™ºè¡Œã§ãã‚‹ã—Oracleã¨ã‹Postgreã¨ã‹DBã‚‚é¸ã¹ã‚‹ã€‚

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Querydslã§JPAãŒæ€ã£ãŸã‚ˆã‚Šã‚‚æ—ã‚‹ - æ°´ã¾ã‚“ã˜ã‚…ã†2
å…ˆæ—¥ã€ [twitter:@seratch]ã•ã‚“ã‹ã‚‰æ•™ãˆã¦ã„ãŸã ã„ãŸQuerydslãŒã™ã”ã„è‰¯ã‹ã£ãŸã®ã§è¨˜äº‹ã¨ã—ã¦æ›¸ãã¾ã™ã€‚ http://www.querydsl.com/ JPAã«ãŠã‘ã‚‹èª²é¡Œ JPAã§ã¯JPQLã¨Criteriaã¨ã„ã†äºŒã¤ã®ã‚¯ã‚¨ãƒªè¨˜è¿°è¨€èªžãŒã‚ã‚Šã¾ã™ã€‚ ã—ã‹ã—ãªãŒã‚‰ã€ãã‚Œãžã‚Œä½¿ã„å‹æ‰‹ã¨ã„ã†æ„å‘³ã§ã¯é›£ã®ã‚ã‚‹ã‚‚ã®ã§ã—ãŸã€‚ JPQL JPQLã¯ä»¥ä¸‹ã®ã‚ˆã†ãªã€SQLãƒ©ã‚¤ã‚¯ãªã‚¯ã‚¨ãƒªè¨˜è¿°è¨€èªžã§ã™ã€‚ select new com.github.megascus.EmployeeBean(e.code, e.name, e.age) from Employee as e where name like 's%'SQLãƒ©ã‚¤ã‚¯ã«è¨˜è¿°ã™ã‚‹ã“ã¨ãŒã§ãã‚‹ãŸã‚ã€SQLãŒç†è§£ã§ãã‚‹äººã«ã¨ã£ã¦ã¯ç†è§£ã—ã‚„ã™ã„ã¨ã„ã†åˆ©ç‚¹ãŒã‚ã‚Šã¾ã™ã€‚ ã—ã‹ã—ãªãŒã‚‰ã€JPQLè‡ªä½“ã¯ãŸã ã®æ–‡å—åˆ—ã§å®šç¾©ã™ã‚‹å¿…è¦ãŒã‚ã‚Šã¾ã™ã€‚ ãã®ãŸ
PaulYamamoto 2013/01/23
java

library

db
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SQLä¸Šç´šè€…ã“ãçŸ¥ã£ã¦æ¬²ã—ã„ã€ãªãœO/Rãƒžãƒƒãƒ‘ãƒ¼ãŒé‡è¦ã‹ï¼Ÿ
ã‚ˆã‚Šè©³ç´°ãªCQRSã«é–¢ã™ã‚‹è³‡æ–™ã¯ã“ã¡ã‚‰ https://little-hands.hatena blog.com/entry/2019/12/02/cqrs å‚è€ƒè³‡æ–™ï¼šhttp://little-hands.hatena blog.com/entry/jjug2017fall ç¤¾å†…æ–°è¦ãƒ—ãƒãƒ€ã‚¯ãƒˆã§DDD, CQRSã®æ€æƒ³ã‚’ãƒ™ãƒ¼ã‚¹ã¨ã—ãŸã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£ã‚’æ§‹ç¯‰ã—ã€ã‚³ãƒžãƒ³ãƒ‰(æ›´æ–°ç³»å‡¦ç†)ã§ã¯Spring Data JPA(Hibernate)ã‚’ã€ã‚¯ã‚¨ãƒª(å‚ç…§ç³»å‡¦ç†)ã§ã¯jOOQã‚’æŽ¡ç”¨ã—ã¾ã—ãŸã€‚ çµæžœã¨ã—ã¦ãã‚Œãžã‚Œã®ORMã®è‰¯ã„ã¨ã“ã‚ã‚’ç”Ÿã‹ã—ãŸçµ„ã¿åˆã‚ã›ã®ã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£ãŒæ§‹ç¯‰ã§ããŸã®ã§ã€ãã®çµŒç·¯ã¨å¾—ã‚‰ã‚ŒãŸçŸ¥è¦‹ã«ã¤ã„ã¦ãŠè©±ã—ã—ãŸã„ã¨æ€ã„ã¾ã™ã€‚ ä»¥ä¸‹ã®ã‚ˆã†ãªãƒˆãƒ”ãƒƒã‚¯ã‚’è€ƒãˆã¦ã„ã¾ã™ã€‚ ãƒ»CQRSã®å®šç¾©ã¨ãƒ¡ãƒªãƒƒãƒˆãƒ‡ãƒ¡ãƒªãƒƒãƒˆ ãƒ»DDD,CQRSã‚’æ¤œè¨Žã™ã‚‹ã«ã‚ãŸã£ã¦ã®ORMã®é¸å®šãƒã‚¤ãƒ³ãƒˆ ãƒ»æ§‹ç¯‰ã—ãŸã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£
PaulYamamoto 2012/12/07
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ruby

design

db
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Coding Guidelines for the Developer During Development | Php Flow
PaulYamamoto 2012/10/07
PHP

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