{"id":7378,"date":"2024-03-14T05:27:54","date_gmt":"2024-03-14T05:27:54","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-can-i-remove-specific-characters-from-an-oracle-database\/"},"modified":"2025-08-02T15:25:21","modified_gmt":"2025-08-02T15:25:21","slug":"how-can-i-remove-specific-characters-from-an-oracle-database","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-can-i-remove-specific-characters-from-an-oracle-database\/","title":{"rendered":"Oracle Remove Characters: Quick Guide"},"content":{"rendered":"<p>To remove specific characters in Oracle, you can use the REPLACE function. Here is an example:<\/p>\n<p>Suppose we have a table called employees, which has a column named employee_name that includes some employee names, but each name has a special character &#8220;#&#8221; at the beginning. If we want to remove this special character, we can use the following SQL statement:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">UPDATE<\/span> employees\r\n<span class=\"hljs-keyword\">SET<\/span> employee_name <span class=\"hljs-operator\">=<\/span> REPLACE(employee_name, <span class=\"hljs-string\">'#'<\/span>, <span class=\"hljs-string\">''<\/span>)\r\n<span class=\"hljs-keyword\">WHERE<\/span> employee_name <span class=\"hljs-keyword\">LIKE<\/span> <span class=\"hljs-string\">'#%'<\/span>;\r\n<\/code><\/pre>\n<p>The above SQL statement will remove all characters that begin with &#8220;#&#8221; in the employee_name column and replace them with an empty string.<\/p>\n<p>If you just want to do a search without updating the data, you can use a similar statement:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">SELECT<\/span> REPLACE(employee_name, <span class=\"hljs-string\">'#'<\/span>, <span class=\"hljs-string\">''<\/span>) <span class=\"hljs-keyword\">as<\/span> cleaned_name\r\n<span class=\"hljs-keyword\">FROM<\/span> employees\r\n<span class=\"hljs-keyword\">WHERE<\/span> employee_name <span class=\"hljs-keyword\">LIKE<\/span> <span class=\"hljs-string\">'#%'<\/span>;\r\n<\/code><\/pre>\n<p>This can search for the employee&#8217;s name after removing special characters.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>To remove specific characters in Oracle, you can use the REPLACE function. Here is an example: Suppose we have a table called employees, which has a column named employee_name that includes some employee names, but each name has a special character &#8220;#&#8221; at the beginning. If we want to remove this special character, we can [&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":[775,284,282,6078,125],"class_list":["post-7378","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-data-cleaning","tag-database","tag-oracle","tag-replace-function","tag-sql"],"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 Remove Characters: Quick Guide - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn how to remove specific characters in Oracle using REPLACE function. 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