{"title":"1:N\u306e\u5b9f\u88c5","published":"2004-06-28 18:28:17","author_name":"higayasuo","type":"rich","url":"https://higayasuo.hatenablog.com/entry/20040628/1088414897","categories":["S2Dao"],"author_url":"https://blog.hatena.ne.jp/higayasuo/","height":"190","provider_url":"https://hatena.blog","width":"100%","version":"1.0","description":"1:N \u306f\u3069\u3046\u5b9f\u88c5\u3059\u308b\u306e\u304c\u6b63\u3057\u3044\u306e\u3060\u308d\u3046\uff1f \u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u578b\u306b ASPECT \u3057\u3066\u3001N \u306e DAO \u547c\u3076\uff1f 1:N\u306f\u3001N\u5074\u306eDao\u3092\u547c\u3076\u3067\u3044\u3044\u30b8\u30e3\u30f3\u3068\u601d\u3063\u3066\u308b\u306e\u3060\u3051\u3069\u3001\u3060\u3081\u304b\u3057\u3089\u3002 \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3067\u3001N\u5074\u306e\u30c7\u30fc\u30bf\u3092\u5fc5\u8981\u3068\u3059\u308b\u3068\u304d\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u3067 SQL\u304c\u767a\u884c\u3055\u308c\u306a\u3044\u3088\u3046\u306b\u3001\u30ed\u30b8\u30c3\u30af\u5c64\u3067dept.getEmployees()\u306a\u3093\u3066 \u30c0\u30df\u30fc\u3067\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u3066\u5024\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3057\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u8fd4\u3059\u3088\u308a\u3082 List employees = empDao.getEmployees(dept.getDeptno()); dept.setEmployees(employees); \u3063\u3066\u3084\u3063\u305f\u307b\u3046\u304c\u660e\u793a\u7684\u3067\u5206\u2026","blog_url":"https://higayasuo.hatenablog.com/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhigayasuo.hatenablog.com%2Fentry%2F20040628%2F1088414897\" title=\"1:N\u306e\u5b9f\u88c5 - \u3072\u304c\u3084\u3059\u3092\u6280\u8853\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog","blog_title":"\u3072\u304c\u3084\u3059\u3092\u6280\u8853\u30d6\u30ed\u30b0","image_url":null}