{"description":"\u306f\u3058\u3081\u306b \u80cc\u666f \u30bf\u30b9\u30af\u306e\u6d41\u308c 1. \u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306e\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u3092\u7279\u5b9a 2. \u7279\u5b9a\u3057\u305f\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u306e\u30af\u30a8\u30ea\u3092\u89e3\u6790 3. \u30af\u30a8\u30ea\u6539\u5584\u306e\u8a66\u884c\u932f\u8aa4 \u8a66\u884c\u932f\u8aa4 1\uff1aNOT EXISTS \u306e\u89e3\u6d88 \u8a66\u884c\u932f\u8aa4 2\uff1aSeq Scan \u306e\u6539\u5584 \u8a66\u884c\u932f\u8aa4 3\uff1aOR \u6761\u4ef6\u306e\u6392\u9664 \u8a66\u884c\u932f\u8aa4 4\uff1a\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u6700\u9069\u5316 4. \u5b9f\u88c5 5. \u30ea\u30ea\u30fc\u30b9\u30fb\u52d5\u4f5c\u78ba\u8a8d \u6210\u679c \u30a4\u30f3\u30bf\u30fc\u30f3\u3067\u306e\u5b66\u3073 1. \u300c\u63a8\u6e2c\u3059\u308b\u306a\u3001\u8a08\u6e2c\u305b\u3088\u300d\u306e\u5b9f\u8df5 2. DB \u5185\u90e8\u69cb\u9020\u3068\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3078\u306e\u6df1\u3044\u6d1e\u5bdf 3. \u300c\u81ea\u8d70\u300d\u3059\u308b\u305f\u3081\u306e\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u8853 \u307e\u3068\u3081\u3068\u304a\u308f\u308a\u306b \u306f\u3058\u3081\u306b \u3053\u3093\u306b\u3061\u306f\uff01\u65e9\u7a32\u7530\u5927\u5b66 \u5275\u9020\u7406\u5de5\u5b66\u90e8 \u7dcf\u5408\u6a5f\u68b0\u5de5\u5b66\u79d1 3 \u5e74\u306e\u91ce\u6751\u6052\u6674\u3067\u3059\u3002 12\u2026","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/D/DMMTech/20251229/20251229180015.png","author_url":"https://blog.hatena.ne.jp/DMMTech/","categories":["\u30d0\u30c3\u30af\u30a8\u30f3\u30c9","\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9","\u30a4\u30f3\u30bf\u30fc\u30f3"],"url":"https://developersblog.dmm.com/entry/2026/02/12/110000","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fdevelopersblog.dmm.com%2Fentry%2F2026%2F02%2F12%2F110000\" title=\"API\u30ec\u30a4\u30c6\u30f3\u30b7\u30921300ms\u304b\u3089300ms\u3078\u3002\u91cd\u3044\u30af\u30a8\u30ea\u30921/20\u306b\u9ad8\u901f\u5316\u3067\u304d\u305f\u8a71 - DMM Developers Blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","width":"100%","provider_name":"Hatena Blog","author_name":"DMMTech","title":"API\u30ec\u30a4\u30c6\u30f3\u30b7\u30921300ms\u304b\u3089300ms\u3078\u3002\u91cd\u3044\u30af\u30a8\u30ea\u30921/20\u306b\u9ad8\u901f\u5316\u3067\u304d\u305f\u8a71","published":"2026-02-12 11:00:00","type":"rich","provider_url":"https://hatena.blog","blog_title":"DMM Developers Blog","version":"1.0","height":"190","blog_url":"https://developersblog.dmm.com/"}