{"id":3098,"date":"2025-01-27T00:38:52","date_gmt":"2025-01-27T07:38:52","guid":{"rendered":"https:\/\/www.sqltutorial.org\/?page_id=3098"},"modified":"2025-02-04T06:49:44","modified_gmt":"2025-02-04T13:49:44","slug":"sql-rtrim","status":"publish","type":"page","link":"https:\/\/www.sqltutorial.org\/sql-string-functions\/sql-rtrim\/","title":{"rendered":"SQL RTRIM Function"},"content":{"rendered":"\r\n<p><strong>Summary<\/strong>: in this tutorial, you&#8217;ll learn how to use the SQL <code>RTRIM<\/code> function to return a new with specified characters removed from the end of a string.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\" id='introduction-to-sql-rtrim-function'>Introduction to SQL RTRIM function <a href=\"#introduction-to-sql-rtrim-function\" class=\"anchor\" id=\"introduction-to-sql-rtrim-function\" title=\"Anchor for Introduction to SQL RTRIM function\">#<\/a><\/h2>\r\n\r\n\r\n\r\n<p>The <code>RTRIM<\/code> function takes a string and returns a new string with specified characters removed from the end of the input string.<\/p>\r\n\r\n\r\n\r\n<p>The following shows the syntax of the <code>RTRIM<\/code> function:<\/p>\r\n\r\n\r\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-1\" data-shcb-language-name=\"SQL (Structured Query Language)\" data-shcb-language-slug=\"sql\"><span><code class=\"hljs language-sql\">RTRIM(string, &#91;trim_characters])<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-1\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">SQL (Structured Query Language)<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">sql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\r\n\r\n\r\n<p>The <code>RTRIM<\/code> function accepts two parameters:<\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><code>string<\/code>: The input string from which you want to remove the trailing characters.<\/li>\r\n\r\n\r\n\r\n<li><code>trim_characters<\/code>: (Optional) a string of characters you want to trim from the input string. If you omit the <code>trim_characters<\/code>, the <code>RTRIM<\/code> function will remove spaces by default.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<p>The <code>RTRIM<\/code> function returns a new string with all <code>trim_characters<\/code> removed from the end of the input string. However, it does not modify the input string.<\/p>\r\n\r\n\r\n\r\n<p>In practice, you&#8217;ll find the <code>RTRIM<\/code> function helpful in cleaning strings.<\/p>\r\n\r\n\r\n\r\n<p>We&#8217;ll use the <code>employees<\/code> table from the <a href=\"https:\/\/www.sqltutorial.org\/sql-sample-database\/\">HR sample database<\/a> to demonstrate the <code>RTRIM<\/code> function:<\/p>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"169\" height=\"273\" class=\"wp-image-237\" src=\"https:\/\/www.sqltutorial.org\/wp-content\/uploads\/2016\/03\/employees.png\" alt=\"SQL RTRIM Function - employees table\" \/><\/figure>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\" id='removing-trailing-spaces'>Removing trailing spaces <a href=\"#removing-trailing-spaces\" class=\"anchor\" id=\"removing-trailing-spaces\" title=\"Anchor for Removing trailing spaces\">#<\/a><\/h2>\r\n\r\n\r\n\r\n<p>First, <a href=\"https:\/\/www.sqltutorial.org\/sql-insert\/\">insert a new row<\/a> into the <code>employees<\/code> table with the first name and last name have a trailing space:<\/p>\r\n\r\n\r\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-2\" data-shcb-language-name=\"SQL (Structured Query Language)\" data-shcb-language-slug=\"sql\"><span><code class=\"hljs language-sql\"><span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span>\r\n  employees (\r\n    employee_id,\r\n    first_name,\r\n    last_name,\r\n    email,\r\n    phone_number,\r\n    hire_date,\r\n    job_id,\r\n    salary,\r\n    manager_id,\r\n    department_id\r\n  )\r\n<span class=\"hljs-keyword\">VALUES<\/span>\r\n  (\r\n    <span class=\"hljs-number\">406<\/span>,\r\n    <span class=\"hljs-string\">'Jane '<\/span>,\r\n    <span class=\"hljs-string\">'Doe '<\/span>,\r\n    <span class=\"hljs-string\">'jane.doe@sqltutorial.org'<\/span>,\r\n    <span class=\"hljs-string\">'515.123.8191#'<\/span>,\r\n    <span class=\"hljs-string\">'1994-06-07'<\/span>,\r\n    <span class=\"hljs-number\">1<\/span>,\r\n    <span class=\"hljs-number\">9000.00<\/span>,\r\n    <span class=\"hljs-number\">205<\/span>,\r\n    <span class=\"hljs-number\">11<\/span>\r\n  );<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-2\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">SQL (Structured Query Language)<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">sql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\r\n\r\n\r\n<p><a href=\"https:\/\/www.sqltutorial.org\/playground\/?q=SU5TRVJUIElOVE8gZW1wbG95ZWVzICggZW1wbG95ZWVfaWQsIGZpcnN0X25hbWUsIGxhc3RfbmFtZSwgZW1haWwsIHBob25lX251bWJlciwgaGlyZV9kYXRlLCBqb2JfaWQsIHNhbGFyeSwgbWFuYWdlcl9pZCwgZGVwYXJ0bWVudF9pZCApIFZBTFVFUyAoIDQwNiwgJyBKYW5lJywgJyBEb2UnLCAnamFuZS5kb2VAc3FsdHV0b3JpYWwub3JnJywgJzUxNS4xMjMuODE5MSMnLCAnMTk5NC0wNi0wNycsIDEsIDkwMDAuMDAsIDIwNSwgMTEgKTs%3D\" target=\"_blank\" rel=\"noreferrer noopener\">Try it<\/a><\/p>\r\n\r\n\r\n\r\n<p>Second, <a href=\"https:\/\/www.sqltutorial.org\/sql-select\/\">select<\/a> the employee whose <code>first_name<\/code> end with a space:<\/p>\r\n\r\n\r\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-3\" data-shcb-language-name=\"SQL (Structured Query Language)\" data-shcb-language-slug=\"sql\"><span><code class=\"hljs language-sql\"><span class=\"hljs-keyword\">SELECT<\/span>\r\n  first_name,\r\n  <span class=\"hljs-keyword\">RTRIM<\/span>(first_name) <span class=\"hljs-keyword\">AS<\/span> trimmed_name\r\n<span class=\"hljs-keyword\">FROM<\/span>\r\n  employees\r\n<span class=\"hljs-keyword\">WHERE<\/span>\r\n  first_name <span class=\"hljs-keyword\">LIKE<\/span> <span class=\"hljs-string\">'% '<\/span>;<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-3\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">SQL (Structured Query Language)<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">sql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\r\n\r\n\r\n<p><a href=\"https:\/\/www.sqltutorial.org\/playground\/?q=U0VMRUNUIGZpcnN0X25hbWUsIExUUklNKGZpcnN0X25hbWUpIEFTIHRyaW1tZWRfbmFtZSBGUk9NIGVtcGxveWVlcyBXSEVSRSBmaXJzdF9uYW1lIExJS0UgJyAlJzs%3D\" target=\"_blank\" rel=\"noreferrer noopener\">Try it<\/a><\/p>\r\n\r\n\r\n\r\n<p>Output:<\/p>\r\n\r\n\r\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-4\" data-shcb-language-name=\"SQL (Structured Query Language)\" data-shcb-language-slug=\"sql\"><span><code class=\"hljs language-sql\"> first_name | trimmed_name\r\n<span class=\"hljs-comment\">------------+--------------<\/span>\r\n Jane       | Jane<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-4\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">SQL (Structured Query Language)<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">sql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\r\n\r\n\r\n<p>In this query:<\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>The <code><a href=\"https:\/\/www.sqltutorial.org\/sql-where\/\">WHERE<\/a><\/code> clause uses the <code><a href=\"https:\/\/www.sqltutorial.org\/sql-like\/\">LIKE<\/a><\/code> operator to match the <code>first_name<\/code> that ends with a space.<\/li>\r\n\r\n\r\n\r\n<li>The <code>RTRIM<\/code> function removes the trailing space from the <code>first_name<\/code> column.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<p>Third, remove the trailing space from the <code>first_name<\/code> column:<\/p>\r\n\r\n\r\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-5\" data-shcb-language-name=\"SQL (Structured Query Language)\" data-shcb-language-slug=\"sql\"><span><code class=\"hljs language-sql\"><span class=\"hljs-keyword\">UPDATE<\/span> employees\r\n<span class=\"hljs-keyword\">SET<\/span>\r\n  first_name = <span class=\"hljs-keyword\">RTRIM<\/span>(first_name)\r\n<span class=\"hljs-keyword\">WHERE<\/span>\r\n  first_name <span class=\"hljs-keyword\">LIKE<\/span> <span class=\"hljs-string\">'% '<\/span>;<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-5\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">SQL (Structured Query Language)<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">sql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\r\n\r\n\r\n<p><a href=\"https:\/\/www.sqltutorial.org\/playground\/?q=VVBEQVRFIGVtcGxveWVlcyBTRVQgZmlyc3RfbmFtZSA9IExUUklNKGZpcnN0X25hbWUpIFdIRVJFIGZpcnN0X25hbWUgTElLRSAnICUnOw%3D%3D\" target=\"_blank\" rel=\"noreferrer noopener\">Try it<\/a><\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\" id='removing-specific-characters'>Removing Specific Characters <a href=\"#removing-specific-characters\" class=\"anchor\" id=\"removing-specific-characters\" title=\"Anchor for Removing Specific Characters\">#<\/a><\/h2>\r\n\r\n\r\n\r\n<p>The following query returns the first name and phone number of the employee id <code>406<\/code> with the trailing character <code>#<\/code> removed from the <code>phone_number<\/code>:<\/p>\r\n\r\n\r\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-6\" data-shcb-language-name=\"SQL (Structured Query Language)\" data-shcb-language-slug=\"sql\"><span><code class=\"hljs language-sql\"><span class=\"hljs-keyword\">SELECT<\/span>\r\n  first_name,\r\n  phone_number,\r\n  <span class=\"hljs-keyword\">RTRIM<\/span>(phone_number, <span class=\"hljs-string\">'#'<\/span>) <span class=\"hljs-keyword\">AS<\/span> plain_phone_number\r\n<span class=\"hljs-keyword\">FROM<\/span>\r\n  employees\r\n<span class=\"hljs-keyword\">WHERE<\/span>\r\n  employee_id = <span class=\"hljs-number\">406<\/span>;<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-6\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">SQL (Structured Query Language)<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">sql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\r\n\r\n\r\n<p><a href=\"https:\/\/www.sqltutorial.org\/playground\/?q=U0VMRUNUIGZpcnN0X25hbWUsIHBob25lX251bWJlciwgTFRSSU0ocGhvbmVfbnVtYmVyLCAnIycpIEFTIHBsYWluX3Bob25lX251bWJlciBGUk9NIGVtcGxveWVlcyBXSEVSRSBlbXBsb3llZV9pZCA9IDMwNjs%3D\" target=\"_blank\" rel=\"noreferrer noopener\">Try it<\/a><\/p>\r\n\r\n\r\n\r\n<p>Output:<\/p>\r\n\r\n\r\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-7\" data-shcb-language-name=\"SQL (Structured Query Language)\" data-shcb-language-slug=\"sql\"><span><code class=\"hljs language-sql\"> first_name | phone_number  | plain_phone_number\r\n<span class=\"hljs-comment\">------------+---------------+--------------------<\/span>\r\n Jane       | 515.123.8191<span class=\"hljs-comment\"># | 515.123.8191<\/span><\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-7\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">SQL (Structured Query Language)<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">sql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\r\n\r\n\r\n<p>In this example, we use the <code>RTRIM<\/code> function to trim the character <code>#<\/code> from the end of the phone number.<\/p>\r\n\r\n\r\n\r\n<p>You can remove the character <code>#<\/code> from the phone number using the <code>RTRIM<\/code> function in an <code><a href=\"https:\/\/www.sqltutorial.org\/sql-update\/\">UPDATE<\/a><\/code> statement:<\/p>\r\n\r\n\r\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-8\" data-shcb-language-name=\"SQL (Structured Query Language)\" data-shcb-language-slug=\"sql\"><span><code class=\"hljs language-sql\"><span class=\"hljs-keyword\">UPDATE<\/span> employees\r\n<span class=\"hljs-keyword\">SET<\/span>\r\n  phone_number = <span class=\"hljs-keyword\">RTRIM<\/span>(phone_number, <span class=\"hljs-string\">'#'<\/span>)\r\n<span class=\"hljs-keyword\">WHERE<\/span>\r\n  employee_id = <span class=\"hljs-number\">406<\/span>;<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-8\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">SQL (Structured Query Language)<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">sql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\r\n\r\n\r\n<p><a href=\"https:\/\/www.sqltutorial.org\/playground\/?q=VVBEQVRFIGVtcGxveWVlcyBTRVQgcGhvbmVfbnVtYmVyID0gTFRSSU0ocGhvbmVfbnVtYmVyLCAnIycpIFdIRVJFIGVtcGxveWVlX2lkID0gMzA2Ow%3D%3D\" target=\"_blank\" rel=\"noreferrer noopener\">Try it<\/a><\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\" id='using-rtrim-function-in-conditional-logic'>Using RTRIM function in Conditional Logic <a href=\"#using-rtrim-function-in-conditional-logic\" class=\"anchor\" id=\"using-rtrim-function-in-conditional-logic\" title=\"Anchor for Using RTRIM function in Conditional Logic\">#<\/a><\/h2>\r\n\r\n\r\n\r\n<p>The following query uses the <code>RTRIM<\/code> function to flag employees whose last names contain trailing spaces:<\/p>\r\n\r\n\r\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-9\" data-shcb-language-name=\"SQL (Structured Query Language)\" data-shcb-language-slug=\"sql\"><span><code class=\"hljs language-sql\"><span class=\"hljs-keyword\">SELECT<\/span>\r\n  employee_id,\r\n  last_name,\r\n  <span class=\"hljs-keyword\">CASE<\/span>\r\n    <span class=\"hljs-keyword\">WHEN<\/span> last_name != <span class=\"hljs-keyword\">RTRIM<\/span>(last_name) <span class=\"hljs-keyword\">THEN<\/span> <span class=\"hljs-string\">'Has trailing spaces'<\/span>\r\n    <span class=\"hljs-keyword\">ELSE<\/span> <span class=\"hljs-string\">'No trailing spaces'<\/span>\r\n  <span class=\"hljs-keyword\">END<\/span> <span class=\"hljs-keyword\">AS<\/span> <span class=\"hljs-keyword\">status<\/span>\r\n<span class=\"hljs-keyword\">FROM<\/span>\r\n  employees\r\n<span class=\"hljs-keyword\">ORDER<\/span> <span class=\"hljs-keyword\">BY<\/span>\r\n  last_name;<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-9\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">SQL (Structured Query Language)<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">sql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\r\n\r\n\r\n<p><a href=\"https:\/\/www.sqltutorial.org\/playground\/?q=U0VMRUNUIGVtcGxveWVlX2lkLCBsYXN0X25hbWUsIENBU0UgV0hFTiBsYXN0X25hbWUgIT0gTFRSSU0obGFzdF9uYW1lKSBUSEVOICdIYXMgbGVhZGluZyBzcGFjZXMnIEVMU0UgJ05vIGxlYWRpbmcgc3BhY2VzJyBFTkQgQVMgc3RhdHVzIEZST00gZW1wbG95ZWVzIE9SREVSIEJZIGxhc3RfbmFtZTs%3D\" target=\"_blank\" rel=\"noreferrer noopener\">Try it<\/a><\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\" id='summary'>Summary <a href=\"#summary\" class=\"anchor\" id=\"summary\" title=\"Anchor for Summary\">#<\/a><\/h2>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>Use the <code>RTRIM<\/code> function to return a new string with specified characters removed from the end of an input string.<\/li>\r\n\r\n\r\n\r\n<li>If you omit the <code>trim_characters<\/code>, the <code>RTRIM<\/code> function defaults to remove the trailing spaces.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\" id='databases'>Databases <a href=\"#databases\" class=\"anchor\" id=\"databases\" title=\"Anchor for Databases\">#<\/a><\/h2>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><a href=\"https:\/\/www.pgtutorial.com\/postgresql-string-functions\/postgresql-rtrim\/\" target=\"_blank\" rel=\"noreferrer noopener\">PostgreSQL RTRIM Function<\/a><\/li>\r\n\r\n\r\n\r\n<li><a href=\"https:\/\/www.mysqltutorial.org\/mysql-string-functions\/mysql-rtrim-function\/\" target=\"_blank\" rel=\"noreferrer noopener\">MySQL RTRIM Function<\/a><\/li>\r\n\r\n\r\n\r\n<li><a href=\"https:\/\/www.sqlitetutorial.net\/sqlite-functions\/sqlite-rtrim\/\" target=\"_blank\" rel=\"noreferrer noopener\">SQLite RTRIM Function<\/a><\/li>\r\n\r\n\r\n\r\n<li><a href=\"https:\/\/www.db2tutorial.com\/db2-string-functions\/db2-rtrim\/\" target=\"_blank\" rel=\"noreferrer noopener\">Db2 RTRIM Function<\/a><\/li>\r\n\r\n\r\n\r\n<li><a href=\"https:\/\/www.oracletutorial.com\/oracle-string-functions\/oracle-rtrim\/\" target=\"_blank\" rel=\"noreferrer noopener\">Oracle RTRIM Function<\/a><\/li>\r\n\r\n\r\n\r\n<li><a href=\"https:\/\/www.sqlservertutorial.net\/sql-server-string-functions\/sql-server-rtrim-function\/\" target=\"_blank\" rel=\"noreferrer noopener\">SQL Server RTRIM Function<\/a><\/li>\r\n<\/ul>\r\n<div class=\"helpful-block-content\" data-title=\"\">\n\t<header>\n\t\t<div class=\"wth-question\">Was this tutorial helpful ?<\/div>\n\t\t<div class=\"wth-thumbs\">\n\t\t\t<button\n\t\t\t\tdata-post=\"3098\"\n\t\t\t\tdata-post-url=\"https:\/\/www.sqltutorial.org\/sql-string-functions\/sql-rtrim\/\"\n\t\t\t\tdata-post-title=\"SQL RTRIM Function\"\n\t\t\t\tdata-response=\"1\"\n\t\t\t\tclass=\"wth-btn-rounded wth-yes-btn\"\n\t\t\t>\n\t\t\t\t<svg\n\t\t\t\t\txmlns=\"http:\/\/www.w3.org\/2000\/svg\"\n\t\t\t\t\tviewBox=\"0 0 24 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