{"title":"NULL \u306f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304b\u5909\u6570\u304b","url":"https://unibon.hatenadiary.org/entry/20061025/p4","author_name":"unibon","width":"100%","published":"2006-10-25 00:00:03","categories":["\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc"],"blog_url":"https://unibon.hatenadiary.org/","version":"1.0","provider_name":"Hatena Blog","height":"190","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/unibon/","blog_title":"unibon\u306e\u65e5\u8a18","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Funibon.hatenadiary.org%2Fentry%2F20061025%2Fp4\" title=\"NULL \u306f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304b\u5909\u6570\u304b - unibon\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"Java \u3060\u3068\u5909\u6570\u304c null \u3068\u3044\u3046\u72b6\u614b\u3092\u6301\u3064\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u6301\u305f\u305b\u3088\u3046\u3068\u3059\u308b\u3068\u3001\u305d\u306e\u3088\u3046\u306a\u30af\u30e9\u30b9\u8a2d\u8a08\u3092\u5225\u9014\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002 Java: \u5909\u6570 \u2192 \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9 VB \u3082\u5909\u6570\u304c nothing \u3068\u3044\u3046\u72b6\u614b\u3092\u6301\u3064\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u3053\u306e\u3042\u305f\u308a\u306e\u611f\u6027\u306f Java \u3068\u540c\u3058\u3060\u3002\u5909\u6570\u306b\u5165\u308b\u5909\u6570\u306e\u578b\u306e\u3072\u3068\u3064\u3068\u3057\u3066 Null \u304c\u3042\u308b\u3002 VB: \u5909\u6570 \u2192 \u578b(\u578b\u306e\u3072\u3068\u3064\u306b Null \u304c\u3042\u308b) \u2192 \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9(\u307e\u305f\u306f\u57fa\u672c\u578b\u306e\u5024) RDB \u306e NULL \u3092 Java \u3084 VB \u3067\u6271\u304a\u3046\u3068\u3059\u308b\u3068\u3001\u3053\u306e\u3042\u305f\u308a\u306e\u9055\u3044\u304c\u3061\u3087\u3063\u3068\u3084\u3084\u3053\u3057\u3044\u3002 \u7d9a\u304f...","type":"rich","image_url":null}