{"id":7475,"date":"2024-03-14T05:34:42","date_gmt":"2024-03-14T05:34:42","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-can-i-update-millions-of-data-in-oracle-in-batch\/"},"modified":"2025-08-02T16:43:35","modified_gmt":"2025-08-02T16:43:35","slug":"how-can-i-update-millions-of-data-in-oracle-in-batch","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-can-i-update-millions-of-data-in-oracle-in-batch\/","title":{"rendered":"Oracle Batch Update: Millions of Data Fast"},"content":{"rendered":"

In Oracle databases, batch update statements can be used to update a large amount of data. Here is one commonly used method:<\/p>\n

    \n
  1. Create a temporary table and insert the data that needs to be updated into it.<\/li>\n
  2. Match and update the data in the target table with the data in the temporary table using the MERGE statement.<\/li>\n<\/ol>\n

    The specific steps are as follows:<\/p>\n

      \n
    1. Create a temporary table, such as temp_table, to store the data that needs to be updated.<\/li>\n<\/ol>\n
      CREATE<\/span> TABLE<\/span> temp_table (\r\n    id NUMBER,\r\n    column1 VARCHAR2(50<\/span>),\r\n    column2 VARCHAR2(50<\/span>),\r\n    ...\r\n);\r\n<\/code><\/pre>\n
        \n
      1. Insert the data that needs to be updated into a temporary table.<\/li>\n<\/ol>\n
        INSERT<\/span> INTO<\/span> temp_table (id, column1, column2, ...)\r\nVALUES<\/span> (1<\/span>, 'value1'<\/span>, 'value2'<\/span>),\r\n       (2<\/span>, 'value3'<\/span>, 'value4'<\/span>),\r\n       ...\r\n<\/code><\/pre>\n
          \n
        1. Use the MERGE statement to match and update data in the temporary table with the target table.<\/li>\n<\/ol>\n
          MERGE<\/span> INTO<\/span> target_table t\r\nUSING<\/span> temp_table tt\r\nON<\/span> (t.id =<\/span> tt.id)\r\nWHEN<\/span> MATCHED THEN<\/span>\r\nUPDATE<\/span> SET<\/span> t.column1 =<\/span> tt.column1, t.column2 =<\/span> tt.column2, ...\r\n<\/code><\/pre>\n
          By following the above steps, it is possible to perform batch updates on millions of data. It is important to be cautious when updating a large amount of data to avoid placing too much strain on the database.<\/p>\n","protected":false},"excerpt":{"rendered":"
          In Oracle databases, batch update statements can be used to update a large amount of data. Here is one commonly used method: Create a temporary table and insert the data that needs to be updated into it. Match and update the data in the target table with the data in the temporary table using the […]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[9574,7555,9573,813,2699],"class_list":["post-7475","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-bulk-data-update","tag-merge-statement","tag-oracle-batch-update","tag-oracle-database","tag-temporary-table"],"yoast_head":"\nOracle Batch Update: Millions of Data Fast - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn efficient Oracle batch update methods to handle millions of records. Use temporary tables and MERGE statements for fast database updates.\" \/>\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-i-update-millions-of-data-in-oracle-in-batch\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Oracle Batch Update: Millions of Data Fast\" \/>\n<meta property=\"og:description\" content=\"Learn efficient Oracle batch update methods to handle millions of records. Use temporary tables and MERGE statements for fast database updates.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/how-can-i-update-millions-of-data-in-oracle-in-batch\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SiliCloudGlobal\/\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-14T05:34:42+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-02T16:43:35+00:00\" \/>\n<meta name=\"author\" content=\"Olivia Parker\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:site\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Olivia Parker\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-can-i-update-millions-of-data-in-oracle-in-batch\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-can-i-update-millions-of-data-in-oracle-in-batch\/\"},\"author\":{\"name\":\"Olivia Parker\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/3ff7b3da0e45ac5dbbef2502f3cea8d9\"},\"headline\":\"Oracle Batch Update: Millions of Data Fast\",\"datePublished\":\"2024-03-14T05:34:42+00:00\",\"dateModified\":\"2025-08-02T16:43:35+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-can-i-update-millions-of-data-in-oracle-in-batch\/\"},\"wordCount\":154,\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"keywords\":[\"Bulk data update\",\"MERGE statement\",\"Oracle batch update\",\"Oracle database\",\"temporary table\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-can-i-update-millions-of-data-in-oracle-in-batch\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/how-can-i-update-millions-of-data-in-oracle-in-batch\/\",\"name\":\"Oracle Batch Update: Millions of Data Fast - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#website\"},\"datePublished\":\"2024-03-14T05:34:42+00:00\",\"dateModified\":\"2025-08-02T16:43:35+00:00\",\"description\":\"Learn efficient Oracle batch update methods to handle millions of records. 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