{"id":1895,"date":"2025-02-04T09:09:15","date_gmt":"2025-02-04T02:09:15","guid":{"rendered":"https:\/\/www.pgtutorial.com\/?page_id=1895"},"modified":"2025-02-04T09:21:36","modified_gmt":"2025-02-04T02:21:36","slug":"postgresql-right","status":"publish","type":"page","link":"https:\/\/www.pgtutorial.com\/postgresql-string-functions\/postgresql-right\/","title":{"rendered":"PostgreSQL RIGHT Function"},"content":{"rendered":"\n<p><strong>Summary<\/strong>: in this tutorial, you&#8217;ll learn how to use the PostgreSQL <code>RIGHT()<\/code> function to return the last <code>n<\/code> characters in a string.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id='introduction-to-the-postgresql-right-function'>Introduction to the PostgreSQL RIGHT Function <a href=\"#introduction-to-the-postgresql-right-function\" class=\"anchor\" id=\"introduction-to-the-postgresql-right-function\" title=\"Anchor for Introduction to the PostgreSQL RIGHT Function\">#<\/a><\/h2>\n\n\n\n<p>In PostgreSQL, the <code>RIGHT()<\/code> function allows you to extract the last <code>n<\/code> characters from a string.<\/p>\n\n\n\n<p>Here&#8217;s the basic syntax of the <code>RIGHT()<\/code> function:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-1\" data-shcb-language-name=\"PostgreSQL SQL dialect and PL\/pgSQL\" data-shcb-language-slug=\"pgsql\"><span><code class=\"hljs language-pgsql\">RIGHT(string, n)<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-1\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PostgreSQL SQL dialect and PL\/pgSQL<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">pgsql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>The <code>RIGHT()<\/code> function accepts two parameters:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>string<\/code>: The input string from which you want to extract characters.<\/li>\n\n\n\n<li><code>n<\/code>: The number of characters you want to extract from the input string. If <code>n<\/code> is negative, the <code>RIGHT()<\/code> function returns all characters but the first <code>|n|<\/code> characters.<\/li>\n<\/ul>\n\n\n\n<p class=\"note\"><code>|n|<\/code> is the absolute value of <code>n<\/code>. For example if <code>n<\/code> is <code>-2<\/code>, the <code>|n|<\/code> will be <code>2<\/code>.<\/p>\n\n\n\n<p>The <code>RIGHT()<\/code> function returns a string containing the last <code>n<\/code> characters of the input string. It returns <code>NULL<\/code> if the <code>string<\/code> or the <code>n<\/code> is <code>NULL<\/code>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id='basic-postgresql-right-function-examples'>Basic PostgreSQL RIGHT function examples <a href=\"#basic-postgresql-right-function-examples\" class=\"anchor\" id=\"basic-postgresql-right-function-examples\" title=\"Anchor for Basic PostgreSQL RIGHT function examples\">#<\/a><\/h2>\n\n\n\n<p>The following query uses the <code>RIGHT()<\/code> function to return the last three characters from the domain name <code>\"pgtutorial.com\"<\/code>:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-2\" data-shcb-language-name=\"PostgreSQL SQL dialect and PL\/pgSQL\" data-shcb-language-slug=\"pgsql\"><span><code class=\"hljs language-pgsql\"><span class=\"hljs-keyword\">SELECT<\/span>\n  RIGHT(<span class=\"hljs-string\">'pgtutorial.com'<\/span>, <span class=\"hljs-number\">3<\/span>) result;<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-2\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PostgreSQL SQL dialect and PL\/pgSQL<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">pgsql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p><a href=\"https:\/\/www.pgtutorial.com\/playground\/?q=U0VMRUNUIFJJR0hUKCdwZ3R1dG9yaWFsLmNvbScsIDIpIHJlc3VsdDs%3D\" target=\"_blank\" rel=\"noreferrer noopener\">Try it<\/a><\/p>\n\n\n\n<p>Output:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-3\" data-shcb-language-name=\"PostgreSQL SQL dialect and PL\/pgSQL\" data-shcb-language-slug=\"pgsql\"><span><code class=\"hljs language-pgsql\"> result\n<span class=\"hljs-comment\">--------<\/span>\n com<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-3\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PostgreSQL SQL dialect and PL\/pgSQL<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">pgsql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>The following query uses the <code>RIGHT()<\/code> function with a negative n (<code>-3<\/code>) to return all characters of the string <code>\"pgtutorial.com\"<\/code> except the first 12 characters:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-4\" data-shcb-language-name=\"PostgreSQL SQL dialect and PL\/pgSQL\" data-shcb-language-slug=\"pgsql\"><span><code class=\"hljs language-pgsql\"><span class=\"hljs-keyword\">SELECT<\/span>\n  RIGHT(<span class=\"hljs-string\">'https:\/\/www.pgtutorial.com'<\/span>, <span class=\"hljs-number\">-12<\/span>) result;<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-4\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PostgreSQL SQL dialect and PL\/pgSQL<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">pgsql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p><a href=\"https:\/\/www.pgtutorial.com\/playground\/?q=U0VMRUNUIFJJR0hUKCdodHRwczovL3d3dy5wZ3R1dG9yaWFsLmNvbScsIC0xMikgcmVzdWx0Ow%3D%3D\" target=\"_blank\" rel=\"noreferrer noopener\">Try it<\/a><\/p>\n\n\n\n<p>Output:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-5\" data-shcb-language-name=\"PostgreSQL SQL dialect and PL\/pgSQL\" data-shcb-language-slug=\"pgsql\"><span><code class=\"hljs language-pgsql\">     result\n<span class=\"hljs-comment\">----------------<\/span>\n pgtutorial.com<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-5\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PostgreSQL SQL dialect and PL\/pgSQL<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">pgsql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>The following query uses the <code>RIGHT()<\/code> function with the <code>NULL<\/code> input string:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-6\" data-shcb-language-name=\"PostgreSQL SQL dialect and PL\/pgSQL\" data-shcb-language-slug=\"pgsql\"><span><code class=\"hljs language-pgsql\"><span class=\"hljs-keyword\">SELECT<\/span>\n  RIGHT(<span class=\"hljs-keyword\">NULL<\/span>, <span class=\"hljs-number\">-1<\/span>) result;<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-6\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PostgreSQL SQL dialect and PL\/pgSQL<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">pgsql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p><a href=\"https:\/\/www.pgtutorial.com\/playground\/?q=U0VMRUNUIFJJR0hUKE5VTEwsIC0xKSByZXN1bHQ7\" target=\"_blank\" rel=\"noreferrer noopener\">Try it<\/a><\/p>\n\n\n\n<p>Output:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-7\" data-shcb-language-name=\"PostgreSQL SQL dialect and PL\/pgSQL\" data-shcb-language-slug=\"pgsql\"><span><code class=\"hljs language-pgsql\"> result\n<span class=\"hljs-comment\">--------<\/span>\n <span class=\"hljs-keyword\">NULL<\/span><\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-7\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PostgreSQL SQL dialect and PL\/pgSQL<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">pgsql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<h2 class=\"wp-block-heading\" id='using-the-postgresql-right-function-with-table-data'>Using the PostgreSQL RIGHT function with table data <a href=\"#using-the-postgresql-right-function-with-table-data\" class=\"anchor\" id=\"using-the-postgresql-right-function-with-table-data\" title=\"Anchor for Using the PostgreSQL RIGHT function with table data\">#<\/a><\/h2>\n\n\n\n<p>First, <a href=\"https:\/\/www.pgtutorial.com\/postgresql-tutorial\/postgresql-create-table\/\">create a new table<\/a> called <code>vendors<\/code> to store the vendor information:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-8\" data-shcb-language-name=\"PostgreSQL SQL dialect and PL\/pgSQL\" data-shcb-language-slug=\"pgsql\"><span><code class=\"hljs language-pgsql\"><span class=\"hljs-keyword\">CREATE<\/span> <span class=\"hljs-keyword\">TABLE<\/span> vendors (\n  id <span class=\"hljs-type\">INT<\/span> <span class=\"hljs-keyword\">PRIMARY KEY<\/span>,\n  <span class=\"hljs-type\">name<\/span> <span class=\"hljs-type\">VARCHAR<\/span> <span class=\"hljs-keyword\">NOT<\/span> <span class=\"hljs-keyword\">NULL<\/span>,\n  homepage <span class=\"hljs-type\">VARCHAR<\/span> <span class=\"hljs-keyword\">NOT<\/span> <span class=\"hljs-keyword\">NULL<\/span>\n);<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-8\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PostgreSQL SQL dialect and PL\/pgSQL<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">pgsql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>Second, <a href=\"https:\/\/www.pgtutorial.com\/postgresql-tutorial\/postgresql-insert\/\">insert some rows<\/a> into the <code>vendors<\/code> table:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-9\" data-shcb-language-name=\"PostgreSQL SQL dialect and PL\/pgSQL\" data-shcb-language-slug=\"pgsql\"><span><code class=\"hljs language-pgsql\"><span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span>\n  vendors (id, <span class=\"hljs-type\">name<\/span>, homepage)\n<span class=\"hljs-keyword\">VALUES<\/span>\n  (<span class=\"hljs-number\">1<\/span>, <span class=\"hljs-string\">'TechNova'<\/span>, <span class=\"hljs-string\">'https:\/\/www.technova.com'<\/span>),\n  (<span class=\"hljs-number\">2<\/span>, <span class=\"hljs-string\">'GigaWave'<\/span>, <span class=\"hljs-string\">'https:\/\/www.gigawave.net'<\/span>),\n  (<span class=\"hljs-number\">3<\/span>, <span class=\"hljs-string\">'VisionaryE'<\/span>, <span class=\"hljs-string\">'https:\/\/www.visionarye.org'<\/span>),\n  (<span class=\"hljs-number\">4<\/span>, <span class=\"hljs-string\">'HyperGadget'<\/span>, <span class=\"hljs-string\">'https:\/\/www.hypergadget.com'<\/span>),\n  (<span class=\"hljs-number\">5<\/span>, <span class=\"hljs-string\">'NeoDevices'<\/span>, <span class=\"hljs-string\">'https:\/\/www.neodevices.net'<\/span>),\n  (<span class=\"hljs-number\">6<\/span>, <span class=\"hljs-string\">'QuantumTech'<\/span>, <span class=\"hljs-string\">'https:\/\/www.quantumtech.org'<\/span>),\n  (<span class=\"hljs-number\">7<\/span>, <span class=\"hljs-string\">'AstroDigital'<\/span>, <span class=\"hljs-string\">'https:\/\/www.astrodigital.com'<\/span>),\n  (<span class=\"hljs-number\">8<\/span>, <span class=\"hljs-string\">'InnoGears'<\/span>, <span class=\"hljs-string\">'https:\/\/www.innogears.net'<\/span>),\n  (<span class=\"hljs-number\">9<\/span>, <span class=\"hljs-string\">'Futura'<\/span>, <span class=\"hljs-string\">'https:\/\/www.futuraelectro.org'<\/span>),\n  (<span class=\"hljs-number\">10<\/span>, <span class=\"hljs-string\">'NextGens'<\/span>, <span class=\"hljs-string\">'https:\/\/www.nextgensystems.com'<\/span>)\n<span class=\"hljs-keyword\">RETURNING<\/span> *;<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-9\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PostgreSQL SQL dialect and PL\/pgSQL<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">pgsql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>Output:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-10\" data-shcb-language-name=\"PostgreSQL SQL dialect and PL\/pgSQL\" data-shcb-language-slug=\"pgsql\"><span><code class=\"hljs language-pgsql\"> id |     <span class=\"hljs-type\">name<\/span>     |            homepage\n<span class=\"hljs-comment\">----+--------------+--------------------------------<\/span>\n  <span class=\"hljs-number\">1<\/span> | TechNova     | https:\/\/www.technova.com\n  <span class=\"hljs-number\">2<\/span> | GigaWave     | https:\/\/www.gigawave.net\n  <span class=\"hljs-number\">3<\/span> | VisionaryE   | https:\/\/www.visionarye.org\n  <span class=\"hljs-number\">4<\/span> | HyperGadget  | https:\/\/www.hypergadget.com\n  <span class=\"hljs-number\">5<\/span> | NeoDevices   | https:\/\/www.neodevices.net\n  <span class=\"hljs-number\">6<\/span> | QuantumTech  | https:\/\/www.quantumtech.org\n  <span class=\"hljs-number\">7<\/span> | AstroDigital | https:\/\/www.astrodigital.com\n  <span class=\"hljs-number\">8<\/span> | InnoGears    | https:\/\/www.innogears.net\n  <span class=\"hljs-number\">9<\/span> | Futura       | https:\/\/www.futuraelectro.org\n <span class=\"hljs-number\">10<\/span> | NextGens     | https:\/\/www.nextgensystems.com<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-10\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PostgreSQL SQL dialect and PL\/pgSQL<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">pgsql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>Third, use the <code>RIGHT<\/code> function to get the domain extensions:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-11\" data-shcb-language-name=\"PostgreSQL SQL dialect and PL\/pgSQL\" data-shcb-language-slug=\"pgsql\"><span><code class=\"hljs language-pgsql\"><span class=\"hljs-keyword\">SELECT<\/span>\n  homepage,\n  RIGHT(homepage, <span class=\"hljs-number\">3<\/span>) <span class=\"hljs-keyword\">extension<\/span>\n<span class=\"hljs-keyword\">FROM<\/span>\n  vendors\n<span class=\"hljs-keyword\">ORDER<\/span> <span class=\"hljs-keyword\">BY<\/span>\n  homepage;<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-11\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PostgreSQL SQL dialect and PL\/pgSQL<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">pgsql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p><a href=\"https:\/\/www.pgtutorial.com\/playground\/?q=U0VMRUNUIGhvbWVwYWdlLCBSSUdIVChob21lcGFnZSwgMykgZXh0ZW5zaW9uIEZST00gdmVuZG9ycyBPUkRFUiBCWSBob21lcGFnZTs%3D\" target=\"_blank\" rel=\"noreferrer noopener\">Try it<\/a><\/p>\n\n\n\n<p>Output:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-12\" data-shcb-language-name=\"PostgreSQL SQL dialect and PL\/pgSQL\" data-shcb-language-slug=\"pgsql\"><span><code class=\"hljs language-pgsql\">            homepage            | <span class=\"hljs-keyword\">extension<\/span>\n<span class=\"hljs-comment\">--------------------------------+-----------<\/span>\n https:\/\/www.astrodigital.com   | com\n https:\/\/www.futuraelectro.org  | org\n https:\/\/www.gigawave.net       | net\n https:\/\/www.hypergadget.com    | com\n https:\/\/www.innogears.net      | net\n https:\/\/www.neodevices.net     | net\n https:\/\/www.nextgensystems.com | com\n https:\/\/www.quantumtech.org    | org\n https:\/\/www.technova.com       | com\n https:\/\/www.visionarye.org     | org<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-12\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PostgreSQL SQL dialect and PL\/pgSQL<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">pgsql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<h2 class=\"wp-block-heading\" id='filtering-data-using-the-right-function'>Filtering data using the RIGHT function <a href=\"#filtering-data-using-the-right-function\" class=\"anchor\" id=\"filtering-data-using-the-right-function\" title=\"Anchor for Filtering data using the RIGHT function\">#<\/a><\/h2>\n\n\n\n<p>The following query uses the <code>RIGHT()<\/code> function in the <code>WHERE<\/code> clause to get the domains whose extensions are <code>\".com\"<\/code> :<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-13\" data-shcb-language-name=\"PostgreSQL SQL dialect and PL\/pgSQL\" data-shcb-language-slug=\"pgsql\"><span><code class=\"hljs language-pgsql\"><span class=\"hljs-keyword\">SELECT<\/span>\n  homepage,\n  RIGHT(homepage, <span class=\"hljs-number\">3<\/span>) <span class=\"hljs-keyword\">extension<\/span>\n<span class=\"hljs-keyword\">FROM<\/span>\n  vendors\n<span class=\"hljs-keyword\">WHERE<\/span>\n  RIGHT(homepage, <span class=\"hljs-number\">3<\/span>) = <span class=\"hljs-string\">'com'<\/span>\n<span class=\"hljs-keyword\">ORDER<\/span> <span class=\"hljs-keyword\">BY<\/span>\n  homepage;<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-13\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PostgreSQL SQL dialect and PL\/pgSQL<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">pgsql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p><a href=\"https:\/\/www.pgtutorial.com\/playground\/?q=U0VMRUNUIGhvbWVwYWdlLCBSSUdIVChob21lcGFnZSwgMykgZXh0ZW5zaW9uIEZST00gdmVuZG9ycyBXSEVSRSBSSUdIVChob21lcGFnZSwgMykgPSAnY29tJyBPUkRFUiBCWSBob21lcGFnZTs%3D\" target=\"_blank\" rel=\"noreferrer noopener\">Try it<\/a><\/p>\n\n\n\n<p>Output:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-14\" data-shcb-language-name=\"PostgreSQL SQL dialect and PL\/pgSQL\" data-shcb-language-slug=\"pgsql\"><span><code class=\"hljs language-pgsql\">            homepage            | <span class=\"hljs-keyword\">extension<\/span>\n<span class=\"hljs-comment\">--------------------------------+-----------<\/span>\n https:\/\/www.astrodigital.com   | com\n https:\/\/www.hypergadget.com    | com\n https:\/\/www.nextgensystems.com | com\n https:\/\/www.technova.com       | com<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-14\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PostgreSQL SQL dialect and PL\/pgSQL<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">pgsql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<h2 class=\"wp-block-heading\" id='aggregating-data-using-the-right-function'>Aggregating data using the RIGHT function <a href=\"#aggregating-data-using-the-right-function\" class=\"anchor\" id=\"aggregating-data-using-the-right-function\" title=\"Anchor for Aggregating data using the RIGHT function\">#<\/a><\/h2>\n\n\n\n<p>The following query uses the <code>RIGHT()<\/code> function with the <code>COUNT<\/code> aggregate function to group domain names by their extensions:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-15\" data-shcb-language-name=\"PostgreSQL SQL dialect and PL\/pgSQL\" data-shcb-language-slug=\"pgsql\"><span><code class=\"hljs language-pgsql\"><span class=\"hljs-keyword\">SELECT<\/span>\n  RIGHT(homepage, <span class=\"hljs-number\">3<\/span>) <span class=\"hljs-keyword\">extension<\/span>,\n  COUNT(*)\n<span class=\"hljs-keyword\">FROM<\/span>\n  vendors\n<span class=\"hljs-keyword\">GROUP<\/span> <span class=\"hljs-keyword\">BY<\/span>\n  <span class=\"hljs-keyword\">extension<\/span>\n<span class=\"hljs-keyword\">ORDER<\/span> <span class=\"hljs-keyword\">BY<\/span>\n  homepage;<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-15\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PostgreSQL SQL dialect and PL\/pgSQL<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">pgsql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p><a href=\"https:\/\/www.pgtutorial.com\/playground\/?q=U0VMRUNUIFJJR0hUKGhvbWVwYWdlLCAzKSBleHRlbnNpb24sIENPVU5UKCopIEZST00gdmVuZG9ycyBHUk9VUCBCWSBleHRlbnNpb24gT1JERVIgQlkgaG9tZXBhZ2U7\" target=\"_blank\" rel=\"noreferrer noopener\">Try it<\/a><\/p>\n\n\n\n<p>Output:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-16\" data-shcb-language-name=\"PostgreSQL SQL dialect and PL\/pgSQL\" data-shcb-language-slug=\"pgsql\"><span><code class=\"hljs language-pgsql\"> <span class=\"hljs-keyword\">extension<\/span> | count\n<span class=\"hljs-comment\">-----------+-------<\/span>\n com       |     <span class=\"hljs-number\">4<\/span>\n org       |     <span class=\"hljs-number\">3<\/span>\n net       |     <span class=\"hljs-number\">3<\/span><\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-16\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PostgreSQL SQL dialect and PL\/pgSQL<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">pgsql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<h2 class=\"wp-block-heading\" id='summary'>Summary <a href=\"#summary\" class=\"anchor\" id=\"summary\" title=\"Anchor for Summary\">#<\/a><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Use the <code>RIGHT()<\/code> function to extract the last <code>n<\/code> characters from a string.<\/li>\n<\/ul>\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=\"1895\"\n\t\t\t\tdata-post-url=\"https:\/\/www.pgtutorial.com\/postgresql-string-functions\/postgresql-right\/\"\n\t\t\t\tdata-post-title=\"PostgreSQL RIGHT 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 24\"\n\t\t\t\t\tfill=\"none\"\n\t\t\t\t\tstroke=\"currentColor\"\n\t\t\t\t\tstroke-width=\"2\"\n\t\t\t\t\tstroke-linecap=\"round\"\n\t\t\t\t\tstroke-linejoin=\"round\"\n\t\t\t\t\tclass=\"feather feather-thumbs-up block w-full 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