{"author_url":"https://blog.hatena.ne.jp/accs2014/","published":"2008-10-20 00:00:00","blog_url":"https://www.accessdbstudy.net/","provider_url":"https://hatena.blog","title":"\u5024\u304cNull\u3067\u3042\u308b\u3053\u3068\u3092\u6761\u4ef6\u3068\u3059\u308b\u6761\u4ef6\u4ed8\u304d\u66f8\u5f0f\u306e\u8a2d\u5b9a","version":"1.0","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/a/accs2014/20161113/20161113132422.png","provider_name":"Hatena Blog","author_name":"accs2014","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.accessdbstudy.net%2Fentry%2F20081020%2Fp1\" title=\"\u5024\u304cNull\u3067\u3042\u308b\u3053\u3068\u3092\u6761\u4ef6\u3068\u3059\u308b\u6761\u4ef6\u4ed8\u304d\u66f8\u5f0f\u306e\u8a2d\u5b9a - \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>","description":"\u300c\u5024\u304cNull\u300d\u3068\u3044\u3046\u6761\u4ef6\u3067\u306e\u6761\u4ef6\u4ed8\u304d\u66f8\u5f0f\u306e\u8a2d\u5b9a\u306b\u3064\u3044\u3066\u3067\u3059\u3002 \u53f3\u306e\u753b\u50cf\u306f\u300c\u8eab\u9577\u300d\u3068\u3044\u3046\u30c6\u30ad\u30b9\u30c8\u30dc\u30c3\u30af\u30b9\u306b\u8a2d\u5b9a\u3057\u3066\u3044\u308b\u4f8b\u3067\u3059\u304c\u3001\u7de8\u96c6\u30a6\u30a4\u30f3\u30c9\u30a6\u306e\u5de6\u5074\u306e\u30b3\u30f3\u30dc\u30dc\u30c3\u30af\u30b9\u3067\u300c\u5f0f\u300d\u3092\u9078\u629e\u3057\u3001\u5f0f\u3068\u3057\u3066\u300cIsNull([\u8eab\u9577])=True\u300d\u3068\u8a18\u5165\u3059\u308c\u3070OK\u3067\u3059\u3002 \u300c\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u5024\u300d\u300cNull\u300d\u306a\u3069\u3068\u3057\u3066\u3057\u307e\u3046\u3068\u3046\u307e\u304f\u3044\u304b\u306a\u3044\u306e\u3067\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002 \u30d5\u30a9\u30fc\u30e0\u30d3\u30e5\u30fc\u3067\u3059\u3002 \u5024\u304cNull\u3067\u3042\u308b\u305f\u3081\u6761\u4ef6\u4ed8\u304d\u66f8\u5f0f\u304c\u306f\u305f\u3089\u304d\u3001\u7740\u8272\u3055\u308c\u3066\u3044\u308b\u306e\u304c\u308f\u304b\u308a\u307e\u3059\u3002 \u3053\u3053\u304b\u3089\u306f\u3061\u3087\u3063\u3068\u3057\u305f\u30aa\u30de\u30b1\u3067\u3059\u3002 \u4e0a\u8a18\u306e\u6761\u4ef6\u4ed8\u304d\u8a2d\u5b9a\u3067\u30d5\u30a9\u30f3\u30c8\u8272\u3092\u30b0\u30ec\u30fc\u306b\u8a2d\u5b9a\u3057\u3066\u3044\u308b\u306e\u304c\u308f\u304b\u308b\u304b\u3068\u601d\u3044\u307e\u3059\u3002 \u5024\u304cNull\u306e\u3068\u304d\u306e\u6761\u4ef6\u4ed8\u304d\u66f8\u5f0f\u306a\u306e\u3060\u304b\u3089\u610f\u5473\u304c\u306a\u2026","blog_title":"\u3082\u3046\u4e00\u5ea6\u5b66\u3076MS-Access","categories":["Access Tips"],"type":"rich","width":"100%","url":"https://www.accessdbstudy.net/entry/20081020/p1"}