{"url":"https://fukuyama012.hatenablog.com/entry/2018/03/30/191313","author_url":"https://blog.hatena.ne.jp/fukuyama012/","version":"1.0","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","type":"rich","description":"\u76ee\u7684 SELECT\u5b9f\u884c \u2193 \uff08\u7d50\u679c\u884c\u304c\u7121\u3051\u308c\u3070\uff09INSERT \uff08\u7d50\u679c\u884c\u304c\u6709\u308c\u3070\uff09UPDATE \u4e0a\u8a18\u306e\u69d8\u306a\u30d1\u30bf\u30fc\u30f3\u3067\u30af\u30a8\u30ea\u3092\u767a\u884c\u3057\u3066\u3044\u308b\u30b7\u30b9\u30c6\u30e0\u3067DB\u306e\u30a8\u30e9\u30fc\u304c\u7a00\u306b\u51fa\u3066\u3044\u305f\u3002 \u89e3\u6c7a\u904e\u7a0b\u306e\u5099\u5fd8\u9332\u3002 \u524d\u63d0 MySQL 5.6 INNODB (REPEATABLE READ) \u5bfe\u8c61\u51e6\u7406\u56de\u6570\u306f\u7d045\u301c10\u4e07\u56de/\u65e5\uff08\u79d2\u9593\u30ec\u30d9\u30eb\u3067\u8907\u6570\u30a2\u30af\u30bb\u30b9\u304c\u767a\u751f\u3057\u3066\u3044\u308b\uff09 \u30e6\u30cb\u30fc\u30af\u30ad\u30fc\u304c\u5b58\u5728\u3059\u308b\uff08=SELECT\u306eWHERE\u6761\u4ef6\uff09 \u6700\u521d\u306e\u72b6\u614b \u30b3\u30fc\u30c9\uff08\u96f0\u56f2\u6c17\uff09\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u611f\u3058\u3002 START TRANSACTION; SELECT \u301c (\u30e6\u30cb\u30fc\u30af\u30ad\u30fc\u3067\u691c\u7d22) if(\u7d50\u679c\u6709\u308b){ UPDATE \u301c } else { INSER\u2026","height":"190","blog_url":"https://fukuyama012.hatenablog.com/","author_name":"fukuyama012","blog_title":"\u3042\u3063\u3055\u308a\u3068","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ffukuyama012.hatenablog.com%2Fentry%2F2018%2F03%2F30%2F191313\" title=\"MySQL \u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u56de\u907f\u30d1\u30bf\u30fc\u30f3 - \u3042\u3063\u3055\u308a\u3068\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2018-03-30 19:13:13","image_url":null,"categories":["DB","\u904b\u7528","MySQL"],"title":"MySQL \u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u56de\u907f\u30d1\u30bf\u30fc\u30f3","width":"100%"}