{"id":124490,"date":"2024-03-24T15:26:58","date_gmt":"2024-03-24T06:26:58","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7executequery%e3%82%92%e4%bd%bf%e3%81%a3%e3%81%a6%e6%88%bb%e3%82%8a%e5%80%a4%e3%82%92%e5%8f%96%e5%be%97%e3%81%99%e3%82%8b%e3%81%ab%e3%81%af\/"},"modified":"2024-03-27T09:37:40","modified_gmt":"2024-03-27T00:37:40","slug":"java%e3%81%a7executequery%e3%82%92%e4%bd%bf%e3%81%a3%e3%81%a6%e6%88%bb%e3%82%8a%e5%80%a4%e3%82%92%e5%8f%96%e5%be%97%e3%81%99%e3%82%8b%e3%81%ab%e3%81%af","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7executequery%e3%82%92%e4%bd%bf%e3%81%a3%e3%81%a6%e6%88%bb%e3%82%8a%e5%80%a4%e3%82%92%e5%8f%96%e5%be%97%e3%81%99%e3%82%8b%e3%81%ab%e3%81%af\/","title":{"rendered":"Java\u3067executeQuery()\u3092\u4f7f\u3063\u3066\u623b\u308a\u5024\u3092\u53d6\u5f97\u3059\u308b\u306b\u306f"},"content":{"rendered":"

Java\u306eexecuteQuery()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3044\u30af\u30a8\u30ea\u7d50\u679c\u3092\u53d6\u5f97\u3059\u308b\u624b\u9806\uff1a1. JDBC\u3092\u5229\u7528\u3057\u3066\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3078\u63a5\u7d9a\u3059\u308b\u306a\u3069\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002“`javaConnection conn = DriverManager.getConnection(url, user, password);“`2. SQL\u6587\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306eStatement\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002“`javaStatement stmt = conn.createStatement();“`3. executeQuery()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30af\u30a8\u30ea\u3092\u5b9f\u884c\u3057\u3001\u8fd4\u3055\u308c\u305fResultSet\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u5909\u6570\u306b\u4fdd\u5b58\u3057\u307e\u3059\u3002“`javaString sql = “SELECT * FROM table_name”;ResultSet rs = stmt.executeQuery(sql);“`4. ResultSet\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u3057\u3001\u30af\u30a8\u30ea\u7d50\u679c\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002“`javawhile (rs.next()) {
\n\/\/ \u884c\u3054\u3068\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97
\nint id = rs.getInt(“id”);
\nString name = rs.getString(“name”);
\n\/\/ getInt()\u3084getDouble()\u306a\u3069\u3001\u4ed6\u306e\u30c7\u30fc\u30bf\u578b\u306e\u53d6\u5f97\u30e1\u30bd\u30c3\u30c9
\n\/\/ \u30af\u30a8\u30ea\u7d50\u679c\u306e\u8868\u793a\u3084\u51e6\u7406
\nSystem.out.println(“ID: ” + id + “, Name: ” + name);}“`5. \u6700\u5f8c\u306b\u3001ResultSet\u3001Statement\u3001Connection\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u9589\u3058\u3066\u30ea\u30bd\u30fc\u30b9\u3092\u89e3\u653e\u3057\u307e\u3059\u3002“`javars.close();stmt.close();conn.close();“`\u6ce8\u610f\uff1aexecuteQuery()\u30e1\u30bd\u30c3\u30c9\u3067\u30af\u30a8\u30ea\u7d50\u679c\u3092\u53d6\u5f97\u3059\u308b\u524d\u306b\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u304c\u78ba\u7acb\u3055\u308c\u6709\u52b9\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

Java\u306eexecuteQuery()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3044\u30af\u30a8\u30ea\u7d50\u679c\u3092\u53d6\u5f97\u3059\u308b\u624b\u9806\uff1a1. JDBC\u3092\u5229\u7528\u3057\u3066\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3078\u63a5\u7d9a\u3059\u308b\u306a\u3069\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002“`javaConnection c […]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-124490","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nJava\u3067executeQuery()\u3092\u4f7f\u3063\u3066\u623b\u308a\u5024\u3092\u53d6\u5f97\u3059\u308b\u306b\u306f - Blog - Silicon Cloud<\/title>\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\/java\u3067executequery\u3092\u4f7f\u3063\u3066\u623b\u308a\u5024\u3092\u53d6\u5f97\u3059\u308b\u306b\u306f\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java\u3067executeQuery()\u3092\u4f7f\u3063\u3066\u623b\u308a\u5024\u3092\u53d6\u5f97\u3059\u308b\u306b\u306f\" \/>\n<meta property=\"og:description\" content=\"Java\u306eexecuteQuery()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3044\u30af\u30a8\u30ea\u7d50\u679c\u3092\u53d6\u5f97\u3059\u308b\u624b\u9806\uff1a1. JDBC\u3092\u5229\u7528\u3057\u3066\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3078\u63a5\u7d9a\u3059\u308b\u306a\u3069\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002“`javaConnection c […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/java\u3067executequery\u3092\u4f7f\u3063\u3066\u623b\u308a\u5024\u3092\u53d6\u5f97\u3059\u308b\u306b\u306f\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-24T06:26:58+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-27T00:37:40+00:00\" \/>\n<meta name=\"author\" content=\"\u512a\u6597, \u671d\u967d\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u512a\u6597, \u671d\u967d\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7executequery%e3%82%92%e4%bd%bf%e3%81%a3%e3%81%a6%e6%88%bb%e3%82%8a%e5%80%a4%e3%82%92%e5%8f%96%e5%be%97%e3%81%99%e3%82%8b%e3%81%ab%e3%81%af\/\",\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7executequery%e3%82%92%e4%bd%bf%e3%81%a3%e3%81%a6%e6%88%bb%e3%82%8a%e5%80%a4%e3%82%92%e5%8f%96%e5%be%97%e3%81%99%e3%82%8b%e3%81%ab%e3%81%af\/\",\"name\":\"Java\u3067executeQuery()\u3092\u4f7f\u3063\u3066\u623b\u308a\u5024\u3092\u53d6\u5f97\u3059\u308b\u306b\u306f - 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JDBC\u3092\u5229\u7528\u3057\u3066\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3078\u63a5\u7d9a\u3059\u308b\u306a\u3069\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002“`javaConnection c […]","og_url":"https:\/\/www.silicloud.com\/ja\/blog\/java\u3067executequery\u3092\u4f7f\u3063\u3066\u623b\u308a\u5024\u3092\u53d6\u5f97\u3059\u308b\u306b\u306f\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2024-03-24T06:26:58+00:00","article_modified_time":"2024-03-27T00:37:40+00:00","author":"\u512a\u6597, \u671d\u967d","twitter_card":"summary_large_image","twitter_misc":{"\u57f7\u7b46\u8005":"\u512a\u6597, \u671d\u967d"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7executequery%e3%82%92%e4%bd%bf%e3%81%a3%e3%81%a6%e6%88%bb%e3%82%8a%e5%80%a4%e3%82%92%e5%8f%96%e5%be%97%e3%81%99%e3%82%8b%e3%81%ab%e3%81%af\/","url":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7executequery%e3%82%92%e4%bd%bf%e3%81%a3%e3%81%a6%e6%88%bb%e3%82%8a%e5%80%a4%e3%82%92%e5%8f%96%e5%be%97%e3%81%99%e3%82%8b%e3%81%ab%e3%81%af\/","name":"Java\u3067executeQuery()\u3092\u4f7f\u3063\u3066\u623b\u308a\u5024\u3092\u53d6\u5f97\u3059\u308b\u306b\u306f - 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