{"id":12730,"date":"2024-03-15T17:05:36","date_gmt":"2024-03-15T08:05:36","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/oracle%e3%81%ae%e3%82%af%e3%82%a8%e3%83%aa%e3%81%a7%e8%a4%87%e6%95%b0%e3%81%ae%e3%83%87%e3%83%bc%e3%82%bf%e3%83%99%e3%83%bc%e3%82%b9%e9%96%93%e3%81%ae%e9%96%a2%e9%80%a3%e4%bb%98%e3%81%91%e3%82%92\/"},"modified":"2025-08-05T13:50:23","modified_gmt":"2025-08-05T04:50:23","slug":"oracle%e3%81%ae%e3%82%af%e3%82%a8%e3%83%aa%e3%81%a7%e8%a4%87%e6%95%b0%e3%81%ae%e3%83%87%e3%83%bc%e3%82%bf%e3%83%99%e3%83%bc%e3%82%b9%e9%96%93%e3%81%ae%e9%96%a2%e9%80%a3%e4%bb%98%e3%81%91%e3%82%92","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/oracle%e3%81%ae%e3%82%af%e3%82%a8%e3%83%aa%e3%81%a7%e8%a4%87%e6%95%b0%e3%81%ae%e3%83%87%e3%83%bc%e3%82%bf%e3%83%99%e3%83%bc%e3%82%b9%e9%96%93%e3%81%ae%e9%96%a2%e9%80%a3%e4%bb%98%e3%81%91%e3%82%92\/","title":{"rendered":"Oracle\u306e\u30af\u30a8\u30ea\u3067\u8907\u6570\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u9593\u306e\u95a2\u9023\u4ed8\u3051\u3092\u884c\u3046\u65b9\u6cd5\u306f\u4f55\u3067\u3059\u304b\uff1f"},"content":{"rendered":"<p>Oracle\u3067\u7570\u306a\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u9593\u3067\u306e\u9023\u643a\u30af\u30a8\u30ea\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u65b9\u6cd5\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\uff1a<\/p>\n<ol>\n<li>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30ea\u30f3\u30af\u306e\u4f7f\u7528\uff1a\u307e\u305a\u3001\u5bfe\u8c61\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30ea\u30f3\u30af\u3092\u4f5c\u6210\u3057\u3001\u305d\u306e\u30ea\u30f3\u30af\u3092\u4f7f\u7528\u3057\u3066\u73fe\u5728\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u30af\u30a8\u30ea\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9A\u3068B\u304c\u3042\u308b\u5834\u5408\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9A\u3067\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9B\u306e\u30c7\u30fc\u30bf\u3092\u691c\u7d22\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9A\u3067\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9B\u3092\u6307\u3059\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30ea\u30f3\u30af\u3092\u4f5c\u6210\u3057\u3001\u305d\u306e\u30ea\u30f3\u30af\u3092\u4f7f\u7528\u3057\u3066\u30af\u30a8\u30ea\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-comment\">-- \u5728\u6570\u636e\u5e93A\u4e2d\u521b\u5efa\u6570\u636e\u5e93\u94fe\u63a5<\/span>\r\n<span class=\"hljs-keyword\">CREATE<\/span> DATABASE LINK B_LINK <span class=\"hljs-keyword\">CONNECT<\/span> <span class=\"hljs-keyword\">TO<\/span> username IDENTIFIED <span class=\"hljs-keyword\">BY<\/span> password <span class=\"hljs-keyword\">USING<\/span> <span class=\"hljs-string\">'B'<\/span>;\r\n\r\n<span class=\"hljs-comment\">-- \u5728\u6570\u636e\u5e93A\u4e2d\u4f7f\u7528\u94fe\u63a5\u67e5\u8be2\u6570\u636e\u5e93B\u7684\u6570\u636e<\/span>\r\n<span class=\"hljs-keyword\">SELECT<\/span> <span class=\"hljs-operator\">*<\/span> <span class=\"hljs-keyword\">FROM<\/span> <span class=\"hljs-keyword\">table<\/span><span class=\"hljs-variable\">@B_LINK<\/span>;\r\n<\/code><\/pre>\n<ol>\n<li>\u4f7f\u7528\u5916\u90e8\u30c6\u30fc\u30d6\u30eb\uff1a\u5bfe\u8c61\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u5916\u90e8\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3057\u3001\u305d\u306e\u30c7\u30fc\u30bf\u3092\u5916\u90e8\u30c6\u30fc\u30d6\u30eb\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3057\u3001\u73fe\u5728\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u5916\u90e8\u30c6\u30fc\u30d6\u30eb\u3092\u30af\u30a8\u30ea\u3057\u3066\u5bfe\u8c61\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9A\u3068\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9B\u304c\u3042\u308b\u5834\u5408\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9A\u3067\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9B\u306e\u30c7\u30fc\u30bf\u3092\u30af\u30a8\u30ea\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u307e\u305a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9B\u3067\u76ee\u6a19\u30c6\u30fc\u30d6\u30eb\u3092\u6307\u3059\u5916\u90e8\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3057\u3001\u305d\u306e\u5f8c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9A\u3067\u5916\u90e8\u30c6\u30fc\u30d6\u30eb\u3092\u30af\u30a8\u30ea\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-comment\">-- \u5728\u6570\u636e\u5e93B\u4e2d\u521b\u5efa\u5916\u90e8\u8868<\/span>\r\n<span class=\"hljs-keyword\">CREATE<\/span> <span class=\"hljs-keyword\">TABLE<\/span> external_table (\r\n  column1 datatype,\r\n  column2 datatype,\r\n  ...\r\n)\r\nORGANIZATION <span class=\"hljs-keyword\">EXTERNAL<\/span> (\r\n  TYPE ORACLE_LOADER\r\n  <span class=\"hljs-keyword\">DEFAULT<\/span> DIRECTORY directory_name\r\n  ACCESS PARAMETERS (\r\n    RECORDS DELIMITED <span class=\"hljs-keyword\">BY<\/span> newline\r\n    FIELDS TERMINATED <span class=\"hljs-keyword\">BY<\/span> <span class=\"hljs-string\">','<\/span> (\r\n      column1,\r\n      column2,\r\n      ...\r\n    )\r\n  )\r\n  LOCATION (<span class=\"hljs-string\">'data_file.csv'<\/span>)\r\n)\r\nREJECT LIMIT UNLIMITED;\r\n\r\n<span class=\"hljs-comment\">-- \u5728\u6570\u636e\u5e93A\u4e2d\u67e5\u8be2\u6570\u636e\u5e93B\u7684\u6570\u636e<\/span>\r\n<span class=\"hljs-keyword\">SELECT<\/span> <span class=\"hljs-operator\">*<\/span> <span class=\"hljs-keyword\">FROM<\/span> external_table;\r\n<\/code><\/pre>\n<ol>\n<li>Union All\u3092\u4f7f\u7528\u3057\u305f\u30af\u30a8\u30ea\u306e\u7d50\u5408: 2\u3064\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30c6\u30fc\u30d6\u30eb\u30c7\u30fc\u30bf\u3092Union All\u64cd\u4f5c\u3067\u7d50\u5408\u3057\u3001\u305d\u306e\u5f8c\u3001\u7d50\u5408\u3055\u308c\u305f\u7d50\u679c\u3092\u73fe\u5728\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u30af\u30a8\u30ea\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9A\u3068B\u304c\u3042\u308b\u3068\u3057\u307e\u3057\u3087\u3046\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9A\u304b\u3089\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9B\u306e\u30c7\u30fc\u30bf\u3092\u691c\u7d22\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u3001\u307e\u305a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9A\u306e\u30c6\u30fc\u30d6\u30eb\u30c7\u30fc\u30bf\u3092\u30af\u30a8\u30ea\u3057\u3001\u6b21\u306b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9B\u306e\u30c6\u30fc\u30d6\u30eb\u30c7\u30fc\u30bf\u3092Union All\u64cd\u4f5c\u3067\u7d50\u5408\u3057\u3066\u691c\u7d22\u7d50\u679c\u306b\u7d44\u307f\u8fbc\u307f\u307e\u3059\u3002<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-comment\">-- \u5728\u6570\u636e\u5e93A\u4e2d\u67e5\u8be2\u6570\u636e\u5e93A\u7684\u6570\u636e<\/span>\r\n<span class=\"hljs-keyword\">SELECT<\/span> <span class=\"hljs-operator\">*<\/span> <span class=\"hljs-keyword\">FROM<\/span> tableA\r\n\r\n<span class=\"hljs-keyword\">UNION<\/span> <span class=\"hljs-keyword\">ALL<\/span>\r\n\r\n<span class=\"hljs-comment\">-- \u67e5\u8be2\u6570\u636e\u5e93B\u7684\u6570\u636e<\/span>\r\n<span class=\"hljs-keyword\">SELECT<\/span> <span class=\"hljs-operator\">*<\/span> <span class=\"hljs-keyword\">FROM<\/span> tableB;\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e\u65b9\u6cd5\u3067\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30ea\u30f3\u30af\u3068\u5916\u90e8\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3057\u3001\u9069\u5207\u306b\u69cb\u6210\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u9593\u3067\u9069\u5207\u306a\u30a2\u30af\u30bb\u30b9\u6a29\u304c\u5fc5\u8981\u3067\u3059\u3002\u307e\u305f\u3001\u7570\u306a\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u9593\u3067\u306e\u30af\u30a8\u30ea\u306b\u3088\u308a\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u5f71\u97ff\u304c\u51fa\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u306e\u3067\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306a\u3069\u306e\u8981\u56e0\u3092\u7dcf\u5408\u7684\u306b\u8003\u616e\u3057\u305f\u5b9f\u969b\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306e\u4f7f\u7528\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Oracle\u3067\u7570\u306a\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u9593\u3067\u306e\u9023\u643a\u30af\u30a8\u30ea\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u65b9\u6cd5\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\uff1a \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30ea\u30f3\u30af\u306e\u4f7f\u7528\uff1a\u307e\u305a\u3001\u5bfe\u8c61\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30ea\u30f3\u30af\u3092\u4f5c\u6210\u3057\u3001\u305d\u306e\u30ea\u30f3\u30af\u3092\u4f7f\u7528\u3057\u3066\u73fe\u5728\u306e\u30c7\u30fc\u30bf\u30d9 [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[26,61],"class_list":["post-12730","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\/ 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