{"id":6149,"date":"2024-03-14T03:54:53","date_gmt":"2024-03-14T03:54:53","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/what-is-the-solution-to-resolving-garbled-characters-in-oracle-database\/"},"modified":"2025-08-02T00:01:17","modified_gmt":"2025-08-02T00:01:17","slug":"what-is-the-solution-to-resolving-garbled-characters-in-oracle-database","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/what-is-the-solution-to-resolving-garbled-characters-in-oracle-database\/","title":{"rendered":"Fix Oracle Database Garbled Characters"},"content":{"rendered":"<p>In Oracle database, garbled characters may occur due to mismatched character sets or using the wrong character set during data insertion. Below are some solutions:<\/p>\n<ol>\n<li>Ensure that the database character set is properly configured: You can check the database character set to verify if it matches the character set settings of the application. You can use the following SQL query to view the database character set:<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">SELECT<\/span> <span class=\"hljs-operator\">*<\/span> <span class=\"hljs-keyword\">FROM<\/span> NLS_DATABASE_PARAMETERS;\r\n<\/code><\/pre>\n<p>If you find that the character sets do not match, you can use the following command to change the character set of the database:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">ALTER<\/span> DATABASE <span class=\"hljs-type\">CHARACTER<\/span> <span class=\"hljs-keyword\">SET<\/span> <span class=\"hljs-operator\">&lt;<\/span>new_charset<span class=\"hljs-operator\">&gt;<\/span>;\r\n<\/code><\/pre>\n<ol>\n<li>Ensure the client character set is properly configured: If the client character set used by the application to connect to the database does not match, it can result in encoding issues. You can set the correct character set in the client program or specify it in the connection string.<\/li>\n<li>When inserting data, make sure to use the correct character encoding to avoid displaying garbled text. Specify the character encoding format when inserting data, for example:<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> table_name (column_name) <span class=\"hljs-keyword\">VALUES<\/span> (<span class=\"hljs-keyword\">CONVERT<\/span>(<span class=\"hljs-string\">'\u6570\u636e'<\/span>, <span class=\"hljs-string\">'UTF8'<\/span>, <span class=\"hljs-string\">'GBK'<\/span>));\r\n<\/code><\/pre>\n<ol>\n<li>Convert corrupted data: If there is corrupted data, you can use a conversion function to transform the corrupted data into the correct character encoding format, for example:<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">SELECT<\/span> <span class=\"hljs-keyword\">CONVERT<\/span>(column_name, <span class=\"hljs-string\">'UTF8'<\/span>, <span class=\"hljs-string\">'GBK'<\/span>) <span class=\"hljs-keyword\">FROM<\/span> table_name;\r\n<\/code><\/pre>\n<p>By using the methods mentioned above, the issue of character encoding errors in Oracle databases can be resolved. If the problem persists, consider contacting the database administrator or Oracle technical support for further investigation and resolution.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In Oracle database, garbled characters may occur due to mismatched character sets or using the wrong character set during data insertion. Below are some solutions: Ensure that the database character set is properly configured: You can check the database character set to verify if it matches the character set settings of the application. You can [&hellip;]<\/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":[724,1093,1091,813,7239],"class_list":["post-6149","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-character-set","tag-database-encoding","tag-garbled-characters","tag-oracle-database","tag-oracle-nls"],"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>Fix Oracle Database Garbled Characters - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn how to fix garbled characters in Oracle database by checking and matching character sets. Complete guide with SQL queries and solutions.\" \/>\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\/what-is-the-solution-to-resolving-garbled-characters-in-oracle-database\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fix Oracle Database Garbled Characters\" \/>\n<meta property=\"og:description\" content=\"Learn how to fix garbled characters in Oracle database by checking and matching character sets. 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