{"author_name":"shin","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fshinsan.hatenablog.jp%2Fentry%2F20130707%2Fp1\" title=\"JavaEE 7 JPA 2.1\u306e\u65b0\u6a5f\u80fd FUNCTION \u53e5 - \u3057\u3093\u3055\u3093\u306e\u51fa\u5f35\u6240 \u306f\u3066\u306a\u30d6\u30ed\u30b0\u7de8\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","blog_title":"\u3057\u3093\u3055\u3093\u306e\u51fa\u5f35\u6240 \u306f\u3066\u306a\u30d6\u30ed\u30b0\u7de8","published":"2013-07-07 00:00:00","url":"https://shinsan.hatenablog.jp/entry/20130707/p1","description":"JPQL\u306a\u3069JPA\u306e\u6a5f\u80fd\u3067\u306f\u30ab\u30d0\u30fc\u3067\u304d\u306a\u3044\u3001RDB\u56fa\u6709\u306e\u6a5f\u80fd\u3068\u3057\u3066\u95a2\u6570\u304c\u3042\u308b\u3002count\u3084sum\u306a\u3069\u57fa\u672c\u7684\u306a\u3082\u306e\u306f\u3042\u308b\u304c\u3001\u305d\u308c\u304b\u3089\u96e2\u308c\u308b\u3068\u30c0\u30e1\u3060\u3002\u304b\u3068\u3044\u3063\u3066\u7121\u99c4\u306b\u95a2\u6570\u3092\u5897\u3084\u3057\u305f\u3068\u3053\u308d\u3067\u30e6\u30fc\u30b6\u30fc\u5b9a\u7fa9\u95a2\u6570\u306a\u3069\u3082\u3042\u308a\u3068\u3066\u3082\u30ab\u30d0\u30fc\u3057\u304d\u308c\u306a\u3044\u3002\u3068\u3044\u3046\u308f\u3051\u3067\u3001JPA2.1\u3067\u306f\u3064\u3044\u306b\u30e6\u30fc\u30b6\u30fc\u5b9a\u7fa9\u3092\u542b\u3081\u3066\u95a2\u6570\u3092\u81ea\u7531\u306b\u547c\u3073\u51fa\u305b\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3002 Entity @Entity @Access(AccessType.FIELD) public class JoinEntity implements Serializable { @Id public int id; public String name; public\u2026","author_url":"https://blog.hatena.ne.jp/shin/","image_url":null,"title":"JavaEE 7 JPA 2.1\u306e\u65b0\u6a5f\u80fd FUNCTION \u53e5","height":"190","provider_url":"https://hatena.blog","type":"rich","provider_name":"Hatena Blog","width":"100%","blog_url":"https://shinsan.hatenablog.jp/","categories":["Java","\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u6280\u8853"]}