{"provider_name":"Hatena Blog","width":"100%","blog_title":"\u3082\u3046\u4e00\u5ea6\u5b66\u3076MS-Access","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.accessdbstudy.net%2Fentry%2F20101204%2Fp1\" title=\" Len\u95a2\u6570 - \u3082\u3046\u4e00\u5ea6\u5b66\u3076MS-Access\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":null,"categories":["\u95a2\u6570\u3068\u6f14\u7b97\u5b50"],"published":"2010-12-04 00:00:00","blog_url":"https://www.accessdbstudy.net/","title":" Len\u95a2\u6570","description":"\u6307\u5b9a\u3057\u305f\u6587\u5b57\u5217\u306e\u6587\u5b57\u6570\u3092\u8fd4\u3057\u307e\u3059\u3002\u4f7f\u7528\u4f8b \u8868\u8a18\u4f8b\u51fa\u529b\u4f8b\u8aac\u660e Len(\"abcde\")5 Len(\"\u4e00\u4e8c\u4e09\u56db\u4e94\")5\u3044\u308f\u3086\u308b2\u30d0\u30a4\u30c8\u6587\u5b57\u3067\u30821\u6587\u5b57\u306f1\u6587\u5b57\u3068\u3057\u3066\u30ab\u30a6\u30f3\u30c8\u3055\u308c\u307e\u3059 Len(12345)5\u6570\u5b57\u3092\u76f4\u63a5\u6307\u5b9a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059 Len(#2015/09/16 12:34:56#)19\u65e5\u4ed8\u3084\u6642\u523b\u3082\u898b\u305f\u307e\u307e\u306e\u6587\u5b57\u5217\u3068\u307f\u306a\u3057\u3066\u5024\u304c\u8fd4\u3055\u308c\u307e\u3059 \u66f8\u5f0f Len(\u6587\u5b57\u5217)\u5099\u8003 \u6587\u5b57\u5217\u306e\u30d0\u30a4\u30c8\u6570\u3092\u6c42\u3081\u308b\u3068\u304d\u306fLenB\u95a2\u6570\u3092\u4f7f\u3044\u307e\u3059\uff08\u30af\u30a8\u30ea\u306e\u5f0f\u30d3\u30eb\u30c0\u2015\u306b\u306f\u73fe\u308c\u306a\u3044\u95a2\u6570\u3067\u3059\uff09\u3002 \u305f\u3060\u3057\u3001Access\u304c\u901a\u5e38\u7528\u3044\u308bUnicode\u3060\u3068\u3059\u3079\u3066\u306e\u6587\u5b57\u304c2\u30d0\u30a4\u30c8\u3068\u8a55\u4fa1\u3055\u308c\u307e\u3059\u3002\u5168\u89d2\u6587\u5b57\u30922\u30d0\u30a4\u30c8\u3001\u534a\u89d2\u6587\u5b57\u30921\u30d0\u30a4\u30c8\u3068\u3057\u3066\u2026","author_url":"https://blog.hatena.ne.jp/accs2014/","version":"1.0","height":"190","type":"rich","provider_url":"https://hatena.blog","author_name":"accs2014","url":"https://www.accessdbstudy.net/entry/20101204/p1"}