{"id":21876,"date":"2024-03-15T22:43:10","date_gmt":"2024-03-15T22:43:10","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-can-oracle-merge-rows-of-data\/"},"modified":"2024-03-21T21:31:57","modified_gmt":"2024-03-21T21:31:57","slug":"how-can-oracle-merge-rows-of-data","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-can-oracle-merge-rows-of-data\/","title":{"rendered":"How can Oracle merge rows of data?"},"content":{"rendered":"<p>Oracle can use the MERGE statement to merge row data. The MERGE statement can merge data from the source table into the target table based on specified conditions, and can perform insert, update, or delete operations as needed.<\/p>\n<p>Here is an example of a MERGE statement:<\/p>\n<pre class=\"post-pre\"><code>MERGE INTO \u76ee\u6807\u8868\u540d t\r\nUSING \u6e90\u8868\u540d s\r\nON (t.\u5217\u540d = s.\u5217\u540d)\r\nWHEN MATCHED THEN\r\n  UPDATE SET t.\u5217\u540d = s.\u5217\u540d\r\nWHEN NOT MATCHED THEN\r\n  INSERT (\u5217\u540d1, \u5217\u540d2, ...)\r\n  VALUES (s.\u5217\u540d1, s.\u5217\u540d2, ...)\r\n<\/code><\/pre>\n<p>The target table is the table where the data will be merged, and the source table is where the data to be merged comes from. The ON clause specifies the conditions for the merge operation: if the conditions are met for both the source and target tables, an update operation will be performed; if the conditions are not met, an insert operation will be executed.<\/p>\n<p>In the UPDATE SET clause, you can specify the columns that need to be updated and their corresponding values.<\/p>\n<p>In the INSERT clause, you can specify the columns to insert and their corresponding values.<\/p>\n<p>It is important to note that a MERGE statement must include at least one of the WHEN MATCHED clause or WHEN NOT MATCHED clause.<\/p>\n<p>This is a simple example and can be modified and adjusted based on specific needs and table structures when actually used.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Oracle can use the MERGE statement to merge row data. The MERGE statement can merge data from the source table into the target table based on specified conditions, and can perform insert, update, or delete operations as needed. Here is an example of a MERGE statement: MERGE INTO \u76ee\u6807\u8868\u540d t USING \u6e90\u8868\u540d s ON (t.\u5217\u540d [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-21876","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"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>How can Oracle merge rows of data? - 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\/blog\/how-can-oracle-merge-rows-of-data\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How can Oracle merge rows of data?\" \/>\n<meta property=\"og:description\" content=\"Oracle can use the MERGE statement to merge row data. The MERGE statement can merge data from the source table into the target table based on specified conditions, and can perform insert, update, or delete operations as needed. 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