{"image_url":null,"blog_title":"taedium\u306e\u65e5\u8a18","author_url":"https://blog.hatena.ne.jp/taedium/","published":"2009-02-11 00:00:00","provider_url":"https://hatena.blog","width":"100%","author_name":"taedium","title":" JDBC\u30c9\u30e9\u30a4\u30d0\u3002PreparedStatement#setNull()\u3068ParameterMetaData","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftaedium.hatenadiary.org%2Fentry%2F20090211%2Fp1\" title=\" JDBC\u30c9\u30e9\u30a4\u30d0\u3002PreparedStatement#setNull()\u3068ParameterMetaData - 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":["DB","PostgreSQL"],"url":"https://taedium.hatenadiary.org/entry/20090211/p1","provider_name":"Hatena Blog","type":"rich","description":"\u305f\u3068\u3048\u3070\u3001PostgreSQL\u3067\u306f\u3001\u4e0b\u306e\u3088\u3046\u306a\u30b3\u30fc\u30c9\u3067bbalance\u30ab\u30e9\u30e0\u304cINTEGER\u578b\u306e\u3068\u304d\u306b\u3001NULL\u3092\u8a2d\u5b9a\u3059\u308b\u305f\u3081\u306bPreparedStatement#setNull()\u306e\u7b2c2\u5f15\u6570\u306b\u9069\u5f53\u306asqlType\u3092\u6307\u5b9a\u3059\u308b\u3068\u300c\u578b\u304c\u3061\u304c\u3046\u3088\u300d\u3068\u6012\u3089\u308c\u308b\u3002 PreparedStatement ps = conn.prepareStatement(\"update branches set bbalance = ? where bid = 1\"); ps.setNull(1, Types.VARCHAR); ps.executeUpdate(); \u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3053\u3093\u306a\u306e\u3002 org.postgre\u2026","height":"190","version":"1.0","blog_url":"https://taedium.hatenadiary.org/"}