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hiroaki256 id:hiroaki256

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MySQLã§UUIDv4ã‚’ãƒ—ãƒ©ã‚¤ãƒžãƒªã‚ãƒ¼ã«ã™ã‚‹ã¨ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹å•é¡ŒãŒèµ·ãã‚‹ã®ã¯ãªãœï¼Ÿï¼ˆNå›žç›®ï¼‰
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hiroaki256 2024/01/18
mysql

ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹

uuid
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Goodbye to sequential integers, hello UUIDv7!
Scale-Out Delivery Platformâ†’Complexity is inevitable. Tame it and gain your competitive advantage.
hiroaki256 2023/10/03
db

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uuid

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hiroaki256 2022/02/08
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hiroaki256 2021/09/01
uuid

ulid

mysql

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hiroaki256 2021/03/06
mysql

innodb

ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹

uuid
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11/25(æœˆ) LT Party presented by GeekHub (å¤§é˜ª) ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢å‘ã‘ã‚†ã‚‹ã„ãƒ•ãƒªãƒ¼ãƒ†ãƒ¼ãƒžLTå¤§ä¼š!
hiroaki256 2019/11/26
uuid

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Cloud Spanner ã¯å®Œå…¨ã«ç®¡ç†ã•ã‚ŒãŸãƒŸãƒƒã‚·ãƒ§ãƒ³ã‚¯ãƒªãƒ†ã‚£ã‚«ãƒ«ãªãƒªãƒ¬ãƒ¼ã‚·ãƒ§ãƒŠãƒ« ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ ã‚µãƒ¼ãƒ“ã‚¹ã§ã‚ã‚Šã€ã‚°ãƒãƒ¼ãƒãƒ«ãªã‚¹ã‚±ãƒ¼ãƒ«ã§ã®ãƒˆãƒ©ãƒ³ã‚¶ã‚¯ã‚·ãƒ§ãƒ³æ•´åˆæ€§ã€ã‚¹ã‚ãƒ¼ãƒžã€SQLï¼ˆæ‹¡å¼µæ©Ÿèƒ½ã‚’å«ã‚€ ANSIâ€¦ ãŸã ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã‚’è¦‹ã¦ã‚‚IDç”Ÿæˆå™¨ã®ã“ã¨ãªã©ã‚’ç†è§£ã—ã¦ã„ãªã„ã¨ã€ã„ã–è¨è¨ˆã™ã‚‹ã¨ãè‹¦åŠ´ã™ã‚‹ã‹ã¨æ€ã„è¨˜è¼‰ã—ã¾ã—ãŸã€‚ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã®è£œè¶³è³‡æ–™ã¨ã—ã¦èªã‚“ã§ã„ãŸã ã‘ãŸã‚‰å¹¸ã„ã§ã™ã€‚ Cloud Spannerã®ç‰¹å¾´ç‰¹å¾´ã‚’ç°¡å˜ã«è¨˜è¼‰ã—ã¾ã™ã¨ ãƒŽãƒ¼ãƒ‰ã€ã‚¹ãƒ—ãƒªãƒƒãƒˆã§æ§‹æˆã•ã‚Œã¦ã„ã‚‹ã€‚ãƒ¬ã‚³ãƒ¼ãƒ‰ãƒ‡ãƒ¼ã‚¿ã¯ã‚¹ãƒ—ãƒªãƒƒãƒˆã«é…ç½®ã•ã‚Œã‚‹ã€‚ã©ã“ã«é…ç½®ã™ã‚‹ã‹ã¯ãƒ¬ã‚³ãƒ¼ãƒ‰ã®ä¸»ã‚ãƒ¼ã«ä¾å˜ã™ã‚‹ã€‚ãƒ¬ã‚³ãƒ¼ãƒ‰ã®å¢—æ¸›ã«å¿œã˜ã¦Cloud Spannerå´ã§è‡ªå‹•ã§(1)ã©ã®ãƒ¬ã‚³ãƒ¼ãƒ‰ã‚’ã©ã®ã‚¹ãƒ—ãƒªãƒƒãƒˆã«é…ç½®ã™ã‚‹ã‹ã€‚(2)ã‚¹ãƒ—ãƒªãƒƒãƒˆã®æ•° ã‚’ã‚³ãƒ³ãƒˆãƒãƒ¼ãƒ«ã™ã‚‹ãƒ¬ã‚³ãƒ¼ãƒ‰ã‚’ã©ã®ã‚¹ãƒ—ãƒªãƒƒãƒˆã®é…ç½®ã™ã‚‹ã‹ã¯ãƒ¬ã‚³ãƒ¼ãƒ‰ã®ä¸»ã‚ãƒ¼ã®å€¤ã«ä¾å˜ã™ã‚‹åˆ†æ•£ã•ã‚ŒãŸã‚¹ãƒ—ãƒªãƒƒãƒˆã«ã‚¢ã‚¯ã‚»
hiroaki256 2019/08/29
spanner

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