{"id":13546,"date":"2024-03-15T07:21:17","date_gmt":"2024-03-15T07:21:17","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-delete-all-data-from-a-table-in-oracle-database\/"},"modified":"2025-08-05T20:01:41","modified_gmt":"2025-08-05T20:01:41","slug":"how-to-delete-all-data-from-a-table-in-oracle-database","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-delete-all-data-from-a-table-in-oracle-database\/","title":{"rendered":"Oracle DELETE vs TRUNCATE: Complete Guide"},"content":{"rendered":"<p>There are two methods to empty all data from a table in an Oracle database.<\/p>\n<p>Option 1: Utilize the DELETE statement.<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">DELETE<\/span> <span class=\"hljs-keyword\">FROM<\/span> \u8868\u540d;\r\n<\/code><\/pre>\n<p>For example, to delete all data from a table named &#8220;employees&#8221;:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">DELETE<\/span> <span class=\"hljs-keyword\">FROM<\/span> employees;\r\n<\/code><\/pre>\n<p>Option Two: Utilize the TRUNCATE statement.<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">TRUNCATE<\/span> <span class=\"hljs-keyword\">TABLE<\/span> \u8868\u540d;\r\n<\/code><\/pre>\n<p>For example, to delete all data from the table named &#8220;employees&#8221;:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">TRUNCATE<\/span> <span class=\"hljs-keyword\">TABLE<\/span> employees;\r\n<\/code><\/pre>\n<p>The difference between these two methods lies in:<\/p>\n<ol>\n<li>The DELETE statement removes data from a table one row at a time, processing each row as a separate transaction and writing to the transaction log after the deletion. This means that the execution speed of the DELETE statement is relatively slow, but it can be rolled back using the ROLLBACK statement.<\/li>\n<li>The TRUNCATE statement deletes data from a table by releasing the storage space it occupies, deleting all data in the table at once without being logged in the transaction log. As a result, TRUNCATE statement executes quickly but cannot be rolled back using a ROLLBACK statement.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>There are two methods to empty all data from a table in an Oracle database. Option 1: Utilize the DELETE statement. DELETE FROM \u8868\u540d; For example, to delete all data from a table named &#8220;employees&#8221;: DELETE FROM employees; Option Two: Utilize the TRUNCATE statement. TRUNCATE TABLE \u8868\u540d; For example, to delete all data from the [&hellip;]<\/p>\n","protected":false},"author":10,"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":[671,813,5706,18064,5125],"class_list":["post-13546","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-data-management","tag-oracle-database","tag-sql-delete","tag-sql-truncate","tag-table-operations"],"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>Oracle DELETE vs TRUNCATE: Complete Guide - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn two methods to delete all data from Oracle tables: DELETE and TRUNCATE. 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