{"height":"190","title":" Dao\u306e\u30e1\u30bd\u30c3\u30c9\u304b\u30891\u30ab\u30e9\u30e0\u3060\u3051\u3092\u53d6\u5f97\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308b\u5834\u5408\u306e\u30c1\u30a7\u30c3\u30af\u3092\u5f37\u5316","url":"https://taedium.hatenadiary.org/entry/20100413/p1","description":"\u3069\u3046\u3044\u3046\u3053\u3068\u304b\u3068\u3044\u3046\u3068\u3001\u305f\u3068\u3048\u3070\u6b21\u306eDao\u30e1\u30bd\u30c3\u30c9\u304c\u3042\u308b\u3068\u3057\u307e\u3059\u3002 @Select int count(); \u3053\u306e\u3088\u3046\u306a\u5834\u5408\u3001\u5bfe\u5fdc\u3059\u308bSQL\u306eSELECT\u7bc0\u306b\u306f\u3001\u6b21\u306e\u3088\u3046\u306b2\u3064\u4ee5\u4e0a\u306e\u30ab\u30e9\u30e0\u304c\u3042\u3063\u3066\u306f\u3044\u3051\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002 select count(*), max(salary) from hoge \u5b9f\u884c\u3059\u308b\u3068\u3001NonSingleColumnException\u304c\u30b9\u30ed\u30fc\u3055\u308c\u307e\u3059\u3002\u3064\u307e\u308a\u3001Dao\u306e\u30e1\u30bd\u30c3\u30c9\u306e\u623b\u308a\u5024\u306e\u578b\u304b\u30891\u30ab\u30e9\u30e0\u3060\u3051\u3092\u53d6\u5f97\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308b\u306e\u3067\u3001SQL\u3082\u305d\u3046\u3057\u3066\u306d\u3068\u3044\u3046\u308f\u3051\u3067\u3059\u3002\u6b63\u3057\u3044SQL\u306f\u3053\u3046\u3002 select count(*) from hoge \u3053\u308c\u307e\u3067\u306f\u3001\u30ab\u30e9\u30e0\u306e\u2026","author_name":"taedium","version":"1.0","published":"2010-04-13 00:00:01","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftaedium.hatenadiary.org%2Fentry%2F20100413%2Fp1\" title=\" Dao\u306e\u30e1\u30bd\u30c3\u30c9\u304b\u30891\u30ab\u30e9\u30e0\u3060\u3051\u3092\u53d6\u5f97\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308b\u5834\u5408\u306e\u30c1\u30a7\u30c3\u30af\u3092\u5f37\u5316 - taedium\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>","categories":["Doma","Java"],"provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/taedium/","width":"100%","provider_url":"https://hatena.blog","blog_title":"taedium\u306e\u65e5\u8a18","blog_url":"https://taedium.hatenadiary.org/","image_url":null,"type":"rich"}