{"id":25981,"date":"2024-03-16T05:59:02","date_gmt":"2024-03-16T05:59:02","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-remove-duplicate-data-in-a-mysql-query-2\/"},"modified":"2024-03-22T07:29:09","modified_gmt":"2024-03-22T07:29:09","slug":"how-to-remove-duplicate-data-in-a-mysql-query-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-remove-duplicate-data-in-a-mysql-query-2\/","title":{"rendered":"How to remove duplicate data in a MySQL query?"},"content":{"rendered":"<p>To remove duplicate data from MySQL query results, you can use the DISTINCT keyword. The specific syntax is as follows:<\/p>\n<pre class=\"post-pre\"><code>SELECT DISTINCT \u5217\u540d FROM \u8868\u540d;\r\n<\/code><\/pre>\n<p>The column names refer to the columns that need to be queried, which can be one or multiple columns separated by commas. The table name specifies the table that needs to be queried.<\/p>\n<p>For instance, imagine a table called students, which includes columns for students&#8217; names and ages.<\/p>\n<pre class=\"post-pre\"><code>+----+--------+-----+\r\n| id | name   | age |\r\n+----+--------+-----+\r\n| 1  | Alice  | 18  |\r\n| 2  | Bob    | 19  |\r\n| 3  | Alice  | 18  |\r\n| 4  | Carol  | 20  |\r\n+----+--------+-----+\r\n<\/code><\/pre>\n<p>To search for unique names, you can use the following statement:<\/p>\n<pre class=\"post-pre\"><code>SELECT DISTINCT name FROM students;\r\n<\/code><\/pre>\n<p>The search results show:<\/p>\n<pre class=\"post-pre\"><code>+-------+\r\n| name  |\r\n+-------+\r\n| Alice |\r\n| Bob   |\r\n| Carol |\r\n+-------+\r\n<\/code><\/pre>\n<p>This eliminates duplicate name data.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>To remove duplicate data from MySQL query results, you can use the DISTINCT keyword. The specific syntax is as follows: SELECT DISTINCT \u5217\u540d FROM \u8868\u540d; The column names refer to the columns that need to be queried, which can be one or multiple columns separated by commas. The table name specifies the table that needs [&hellip;]<\/p>\n","protected":false},"author":12,"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-25981","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 to remove duplicate data in a MySQL query? - 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-to-remove-duplicate-data-in-a-mysql-query-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to remove duplicate data in a MySQL query?\" \/>\n<meta property=\"og:description\" content=\"To remove duplicate data from MySQL query results, you can use the DISTINCT keyword. The specific syntax is as follows: SELECT DISTINCT \u5217\u540d FROM \u8868\u540d; The column names refer to the columns that need to be queried, which can be one or multiple columns separated by commas. 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