{"published":"2014-10-04 00:39:20","version":"1.0","blog_title":"\u30d7\u30ed\u30b0\u30e9\u30e0 \u306e\u8d85\u500b\u4eba\u7684\u306a\u30e1\u30e2","description":"\u521d\u3081\u306b \u691c\u7d22\u6761\u4ef6\u304c\u8907\u6570\u3042\u308a\u3001\u3044\u305a\u308c\u306e\u9805\u76ee\u3082\u5fc5\u9808\u3067\u306a\u3044\u5834\u5408\u3001 \u9805\u76ee\u304c\u5165\u529b\u3055\u308c\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3001\u305d\u308c\u306b\u5408\u308f\u305b\u3066SQL \u6587\u306e WHERE \u53e5\u306e\u5185\u5bb9\u3092 \u30c4\u30ae\u30cf\u30ae\u3059\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308b\u3068\u601d\u3046\u3002 \u3010\u4f8b\u3011 String sql = \"SELECT * FROM Person\"; if (id != null) { sql = sql + \"WHERE id=\" + id; } \u3067\u3082\u3001\u3053\u308c\u306f\u3081\u3093\u3069\u3044\u3057\u3001\u304d\u308c\u3044\u3058\u3083\u306a\u3044\u3057\u3001PreparedStatement\u306e\u826f\u3055\u304c\u767a\u63ee\u3057\u3065\u3089\u3044\u3057\u3002\u3002\u3002 \u3067\u3001\u3053\u3093\u306a\u6642\u306b\u3001PreparedStatement\u3092\u4f7f\u3046\u65b9\u6cd5\u3092\u30e1\u30e2\u3057\u3066\u304a\u304f\u3002 \u6848\uff11\uff1aWHERE \u53e5\u306e\u5185\u5bb9\u5168\u3066\u3092 \u62ec\u5f27\u3067\u56f2\u307f\u2026","url":"https://dk521123.hatenablog.com/entry/34077247","author_url":"https://blog.hatena.ne.jp/dk521123/","type":"rich","author_name":"dk521123","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","title":"\u3010SQL\u3011PreparedStatement\u3067\u3001\u691c\u7d22\u6761\u4ef6\u304c\u8907\u6570\u3042\u308b\u304c\u3001\u9805\u76ee\u304c\u306a\u304b\u3063\u305f\u5834\u5408\u3001\u305d\u306e\u9805\u76ee\u3092\u7121\u8996\u3059\u308b\u306b\u306f...","width":"100%","blog_url":"https://dk521123.hatenablog.com/","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fdk521123.hatenablog.com%2Fentry%2F34077247\" title=\"\u3010SQL\u3011PreparedStatement\u3067\u3001\u691c\u7d22\u6761\u4ef6\u304c\u8907\u6570\u3042\u308b\u304c\u3001\u9805\u76ee\u304c\u306a\u304b\u3063\u305f\u5834\u5408\u3001\u305d\u306e\u9805\u76ee\u3092\u7121\u8996\u3059\u308b\u306b\u306f... - \u30d7\u30ed\u30b0\u30e9\u30e0 \u306e\u8d85\u500b\u4eba\u7684\u306a\u30e1\u30e2\" 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":["Java / DB\u95a2\u9023"]}