{"id":73242,"date":"2024-03-20T12:45:43","date_gmt":"2024-03-20T03:45:43","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/jdbc%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%a6java%e3%81%8b%e3%82%89%e3%83%87%e3%83%bc%e3%82%bf%e3%83%99%e3%83%bc%e3%82%b9%e3%81%ab%e6%8e%a5%e7%b6%9a%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/"},"modified":"2025-08-11T01:46:10","modified_gmt":"2025-08-10T16:46:10","slug":"jdbc%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%a6java%e3%81%8b%e3%82%89%e3%83%87%e3%83%bc%e3%82%bf%e3%83%99%e3%83%bc%e3%82%b9%e3%81%ab%e6%8e%a5%e7%b6%9a%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/jdbc%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%a6java%e3%81%8b%e3%82%89%e3%83%87%e3%83%bc%e3%82%bf%e3%83%99%e3%83%bc%e3%82%b9%e3%81%ab%e6%8e%a5%e7%b6%9a%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/","title":{"rendered":"JDBC\u3092\u4f7f\u7528\u3057\u3066Java\u304b\u3089\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u63a5\u7d9a\u306e\u65b9\u6cd5"},"content":{"rendered":"<p>JDBC\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u63a5\u7d9a\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u624b\u9806\u306b\u5f93\u3044\u307e\u3059\u30021. JDBC\u30c9\u30e9\u30a4\u30d0\u306e\u30a4\u30f3\u30dd\u30fc\u30c8: \u307e\u305a\u3001\u5bfe\u5fdc\u3059\u308bJDBC\u30c9\u30e9\u30a4\u30d0\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u30a4\u30f3\u30dd\u30fc\u30c8\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4e00\u822c\u7684\u306aJDBC\u30c9\u30e9\u30a4\u30d0\u30d1\u30c3\u30b1\u30fc\u30b8\u306b\u306f\u3001MySQL Connector\/J\u3001Oracle JDBC Driver\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u30022. \u30c9\u30e9\u30a4\u30d0\u306e\u767b\u9332: Class.forName()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u5bfe\u5fdc\u3059\u308b\u30c9\u30e9\u30a4\u30d0\u3092\u767b\u9332\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001MySQL Connector\/J\u30c9\u30e9\u30a4\u30d0\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u767b\u9332\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\">Class.forName(\"com.mysql.cj.jdbc.Driver\");<\/pre>\n<p>DriverManager.getConnection()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u63a5\u7d9a\u3059\u308b\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9URL\u3001\u30e6\u30fc\u30b6\u30fc\u540d\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002\u4f8b\u3048\u3070\u3001MySQL\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30b3\u30fc\u30c9\u3067\u63a5\u7d9a\u3067\u304d\u308b:<\/p>\n<pre class=\"post-pre\">String&nbsp;url&nbsp;=&nbsp;\"jdbc:mysql:\/\/localhost:3306\/mydatabase\";\r\nString&nbsp;username&nbsp;=&nbsp;\"root\";\r\nString&nbsp;password&nbsp;=&nbsp;\"password\";\r\nConnection&nbsp;connection&nbsp;=&nbsp;DriverManager.getConnection(url,&nbsp;username,&nbsp;password);<\/pre>\n<p>4. SQL\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u5b9f\u884c\uff1aConnection\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f7f\u7528\u3057\u3066Statement\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u3001Statement\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f7f\u7528\u3057\u3066SQL\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u3088\u3046\u306a\u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30af\u30a8\u30ea\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\">Statement&nbsp;statement&nbsp;=&nbsp;connection.createStatement();\r\nResultSet&nbsp;resultSet&nbsp;=&nbsp;statement.executeQuery(\"SELECT&nbsp;*&nbsp;FROM&nbsp;mytable\");<\/pre>\n<p>5. \u7d50\u679c\u30bb\u30c3\u30c8\u3092\u51e6\u7406\u3059\u308b: ResultSet\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f7f\u7528\u3057\u3066\u554f\u3044\u5408\u308f\u305b\u7d50\u679c\u3092\u53cd\u5fa9\u51e6\u7406\u3059\u308b\u3002\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u3088\u3046\u306a\u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u554f\u3044\u5408\u308f\u305b\u7d50\u679c\u3092\u51fa\u529b\u3067\u304d\u308b\u3002<\/p>\n<pre class=\"post-pre\">while&nbsp;(resultSet.next())&nbsp;{\r\n<p>&nbsp;&nbsp;&nbsp;&nbsp;System.out.println(resultSet.getString(\u201ccolumn1\u201d));\r\n}<\/p><\/pre>\n<p>6. \u63a5\u7d9a\u306e\u7d42\u4e86: \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u3092\u5229\u7528\u5f8c\u306f\u63a5\u7d9a\u3092\u7d42\u4e86\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u63a5\u7d9a\u3092\u7d42\u4e86\u3059\u308b\u30b3\u30fc\u30c9\u306f\u6b21\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\">resultSet.close();\r\nstatement.close();\r\nconnection.close();<\/pre>\n<p>JDBC\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u63a5\u7d9a\u3059\u308b\u305f\u3081\u306e\u57fa\u672c\u7684\u306a\u624b\u9806\u3002URL\u3001\u30e6\u30fc\u30b6\u30fc\u540d\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u306f\u3001\u5b9f\u969b\u306e\u5024\u306b\u7f6e\u304d\u63db\u3048\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>JDBC\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u63a5\u7d9a\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u624b\u9806\u306b\u5f93\u3044\u307e\u3059\u30021. JDBC\u30c9\u30e9\u30a4\u30d0\u306e\u30a4\u30f3\u30dd\u30fc\u30c8: \u307e\u305a\u3001\u5bfe\u5fdc\u3059\u308bJDBC\u30c9\u30e9\u30a4\u30d0\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u30a4\u30f3\u30dd\u30fc\u30c8\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4e00\u822c\u7684\u306aJDBC\u30c9\u30e9\u30a4\u30d0\u30d1\u30c3 [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[26,61],"class_list":["post-73242","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-26","tag-61"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>JDBC\u3092\u4f7f\u7528\u3057\u3066Java\u304b\u3089\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u63a5\u7d9a\u306e\u65b9\u6cd5 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"JDBC\u3092\u4f7f\u7528\u3057\u3066Java\u304b\u3089\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u63a5\u7d9a\u306e\u65b9\u6cd5\u3092\u5206\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3002\u5b9f\u8df5\u7684\u306a\u4f8b\u3068\u30b3\u30fc\u30c9\u3001\u6ce8\u610f\u70b9\u3092\u542b\u3081\u3066\u521d\u5fc3\u8005\u306b\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u8aac\u660e\u3057\u307e\u3059\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/jdbc\u3092\u4f7f\u7528\u3057\u3066java\u304b\u3089\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u63a5\u7d9a\u3059\u308b\u65b9\u6cd5\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"JDBC\u3092\u4f7f\u7528\u3057\u3066Java\u304b\u3089\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u63a5\u7d9a\u306e\u65b9\u6cd5\" \/>\n<meta property=\"og:description\" content=\"JDBC\u3092\u4f7f\u7528\u3057\u3066Java\u304b\u3089\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u63a5\u7d9a\u306e\u65b9\u6cd5\u3092\u5206\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3002\u5b9f\u8df5\u7684\u306a\u4f8b\u3068\u30b3\u30fc\u30c9\u3001\u6ce8\u610f\u70b9\u3092\u542b\u3081\u3066\u521d\u5fc3\u8005\u306b\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u8aac\u660e\u3057\u307e\u3059\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/jdbc\u3092\u4f7f\u7528\u3057\u3066java\u304b\u3089\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u63a5\u7d9a\u3059\u308b\u65b9\u6cd5\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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