{"description":"INDEX\u304c\u6709\u52b9\u306b\u306a\u3089\u306a\u3044\u30b1\u30fc\u30b9 \u30fbNull\u5024\u306e\u691c\u7d22 \u30fb\u6697\u9ed9\u306e\u578b\u5909\u63db \u30fbINDEX\u306e\u30ab\u30e9\u30e0\u306b\u5bfe\u3057\u3066\u95a2\u6570/\u6f14\u7b97\u3092\u4f7f\u7528 \u30fbLIKE\u306e\u4e2d\u9593\u3001\u5f8c\u65b9\u4e00\u81f4 \u30fbNot Equal\u306e\u4f7f\u7528 INDEX\u306e\u52b9\u679c\u304c\u8584\u3044\u30b1\u30fc\u30b9 \u30fb\u30c6\u30fc\u30d6\u30eb\u306eDELETE\u304c\u983b\u7e41\u306b\u884c\u308f\u308c\u308b (DELETE\u3055\u308c\u3066\u3082INDEX\u30ce\u30fc\u30c9\u306f\u518d\u5229\u7528\u306e\u305f\u3081\u6b8b\u3063\u305f\u307e\u307e\u306b\u306a\u308b\u3002\u3053\u306e\u9818\u57df\u304c\u591a\u3044\u3068INDEX\u306e\u52b9\u679c\u304c\u8584\u304f\u306a\u308b TRUNCATE\u306a\u3089INDEX\u306e\u30ce\u30fc\u30c9\u3082\u7dba\u9e97\u306b\u3055\u308c\u308b\u306e\u3067\uff2f\uff2b\u3063\u307d\u3044 ) \u30fbINDEX\u306e\u30ab\u30e9\u30e0\u304c\u983b\u7e41\u306b\u66f4\u65b0\u3055\u308c\u308b (\u4e0a\u8a18\u3068\u540c\u3058\u7406\u7531 & INDEX\u306e\u62e1\u5f35\u306e\u305f\u3081INDEX\u30d6\u30ed\u30c3\u30af\u304c\u8ffd\u52a0\u3055\u308c\u308b\u306e\u3067) \u2192INDEX_STATS\u30d3\u30e5\u30fc\u306eHEIGHT\u304c\u5927\u2026","image_url":null,"width":"100%","type":"rich","published":"2008-05-28 00:00:01","url":"https://haradago.hatenadiary.org/entry/20080528/p2","categories":["oracle"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fharadago.hatenadiary.org%2Fentry%2F20080528%2Fp2\" title=\"INDEX\u306b\u95a2\u3059\u308b\u30e1\u30e2 - \u3076\u308a\u308a\u3042\u3093\u3068\u308d\u30fc\u3069(\u4eee)\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_url":"https://blog.hatena.ne.jp/haradago/","version":"1.0","provider_url":"https://hatena.blog","author_name":"haradago","provider_name":"Hatena Blog","title":"INDEX\u306b\u95a2\u3059\u308b\u30e1\u30e2","height":"190","blog_title":"\u3076\u308a\u308a\u3042\u3093\u3068\u308d\u30fc\u3069(\u4eee)","blog_url":"https://haradago.hatenadiary.org/"}