{"image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/a/accs2014/20161010/20161010233503.png","width":"100%","categories":["Access Tips"],"author_name":"accs2014","provider_url":"https://hatena.blog","height":"190","blog_title":"\u3082\u3046\u4e00\u5ea6\u5b66\u3076MS-Access","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.accessdbstudy.net%2Fentry%2F20081027%2Fp1\" title=\"\u30af\u30a8\u30ea\u3067\u62bd\u51fa\u6761\u4ef6\u3068\u3057\u3066Null\u3092\u6307\u5b9a\u3059\u308b - \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>","blog_url":"https://www.accessdbstudy.net/","url":"https://www.accessdbstudy.net/entry/20081027/p1","author_url":"https://blog.hatena.ne.jp/accs2014/","description":"Null\u3067\u3042\u308b\u3053\u3068\u3001\u3064\u307e\u308a\u5024\u304c\u4f55\u3082\u5165\u529b\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u3092\u6761\u4ef6\u3068\u3057\u3066\u30c7\u30fc\u30bf\u3092\u62bd\u51fa\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002Excel\u306e\u5834\u5408\u306f\u4f55\u3082\u5165\u529b\u3055\u308c\u3066\u3044\u306a\u3044\u30bb\u30eb\u3068\u7a7a\u6587\u5b57\u5217\uff08=\"\"\uff09\u306e\u533a\u5225\u304c\u3042\u3044\u307e\u3044\u306a\u3068\u3053\u308d\u304c\u3042\u308a\u307e\u3059\uff08ISBLANK\u95a2\u6570\u3067\u533a\u5225\u3067\u304d\u307e\u3059\u304c\uff09\u304c\u3001Access\u3067\u306f\u305d\u3046\u306f\u3044\u304d\u307e\u305b\u3093\u306e\u3067\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002 \u53f3\u306e\u3088\u3046\u306a\u30c6\u30fc\u30d6\u30eb\u3092\u7528\u3044\u3066\u3001\u300c\u77e5\u6075\u300d\u5217\u306e\u5024\u304cNull\u3067\u3042\u308b\u884c\uff08\u30ec\u30b3\u30fc\u30c9\uff09\u3092\u62bd\u51fa\u3059\u308b\u3082\u306e\u3068\u3057\u307e\u3059\u3002 \u30af\u30a8\u30ea\u30c7\u30b6\u30a4\u30f3\u3067\u3001\u8a72\u5f53\u3059\u308b\u5217\u306e\u300c\u62bd\u51fa\u6761\u4ef6\u300d\u6b04\u306b\u300cIs Null\u300d\u3068\u8a18\u5165\u3057\u307e\u3059\u3002\u5358\u306b\u300cNull\u300d\u3068\u3057\u3066\u3082\u88dc\u5b8c\u3055\u308c\u307e\u3059\u304c\u3001\u300c=Null\u300d\u3068\u304b\u300c=\"\"\u300d\u306a\u3069\u3068\u3057\u3066\u3057\u307e\u3046\u3068\u3046\u307e\u304f\u3044\u304d\u307e\u305b\u3093\u306e\u3067\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002 \u72d9\u3063\u305f\u901a\u308a\u62bd\u51fa\u3055\u2026","provider_name":"Hatena Blog","title":"\u30af\u30a8\u30ea\u3067\u62bd\u51fa\u6761\u4ef6\u3068\u3057\u3066Null\u3092\u6307\u5b9a\u3059\u308b","published":"2008-10-27 00:00:00","type":"rich"}