MySQL InnoDBã®ãƒã‚¯ã‚¹ãƒˆã‚ーãƒãƒƒã‚¯ ãŠã•ã‚‰ã„ - SH2ã®æ—¥è¨˜MySQLã®InnoDBストレージエンジンã¯è¡Œãƒãƒƒã‚¯ã‚’サãƒãƒ¼ãƒˆã—ã¦ã„ã¾ã™ã€‚ã—ã‹ã—Oracleã¨åŒã˜æ„Ÿè¦šã§ã‚¢ãƒ—リケーションを作ã£ã¦ã„ã‚‹ã¨ã€æ€ã‚ã¬ã¨ã“ã‚ã§ãƒ‡ãƒƒãƒ‰ãƒãƒƒã‚¯ã«å‡ºãã‚ã™ã“ã¨ãŒã‚ã‚Šã¾ã™ã€‚ã“ã‚Œã¯InnoDBã®ãƒãƒƒã‚¯ç¯„囲ãŒOracleよりも微妙ã«åºƒã„ãŸã‚ã§ã™ã€‚ 実際ã®ä¾‹ã§ç¢ºèªã—ã¦ã¿ã¾ã—ょã†ã€‚ mysql> select * from t; +----+------+ | c1 | c2 | +----+------+ | 10 | a | | 15 | a | | 20 | a | | 25 | a | | 30 | a | | 35 | a | | 40 | a | | 45 | a | | 50 | a | +----+------+c1列ã¯ä¸»ã‚ーã«ãªã£ã¦ã„ã¾ã™ã€‚1ã¤ã‚ã®ã‚»ãƒƒã‚·ãƒ§ãƒ³ã§ä»¥ä¸‹ã®SQLを実行ã—ã¾ã™ã€‚ mysql> set tx_isolation = 'repeatable-r
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