{"id":3104,"date":"2025-01-27T01:22:01","date_gmt":"2025-01-27T08:22:01","guid":{"rendered":"https:\/\/www.sqltutorial.org\/?page_id=3104"},"modified":"2025-02-01T18:53:31","modified_gmt":"2025-02-02T01:53:31","slug":"sql-position","status":"publish","type":"page","link":"https:\/\/www.sqltutorial.org\/sql-string-functions\/sql-position\/","title":{"rendered":"SQL POSITION Function"},"content":{"rendered":"\n<p><strong>Summary<\/strong>: in this tutorial, you&#8217;ll learn how to use the SQL <code>POSITION<\/code> function to find the location of the first occurrence of a substring within a string.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id='introduction-to-the-sql-position-function'>Introduction to the SQL POSITION function <a href=\"#introduction-to-the-sql-position-function\" class=\"anchor\" id=\"introduction-to-the-sql-position-function\" title=\"Anchor for Introduction to the SQL POSITION function\">#<\/a><\/h2>\n\n\n\n<p>In SQL, the <code>POSITION<\/code> function returns an integer that represents the location of the first occurrence of a substring within a string.<\/p>\n\n\n\n<p>Here&#8217;s the syntax of the <code>POSITION<\/code> function:<\/p>\n\n\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\">POSITION(substring IN string)<\/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>\n\n\n<p>The <code>POSITION<\/code> accepts two parameters:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>substring<\/code>: The sequence of characters you want to find.<\/li>\n\n\n\n<li><code>string<\/code>: The string where you want to search for the substring.<\/li>\n<\/ul>\n\n\n\n<p>The <code>POSITION<\/code> function returns an integer representing the location of the first occurrence of a substring. The position is a 1-base index, meaning that the first character in a string has the position 1, and so on.<\/p>\n\n\n\n<p>If the substring does not exist, the <code>POSITION<\/code> function returns 0.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id='basic-sql-position-example'>Basic SQL POSITION example <a href=\"#basic-sql-position-example\" class=\"anchor\" id=\"basic-sql-position-example\" title=\"Anchor for Basic SQL POSITION example\">#<\/a><\/h2>\n\n\n\n<p>The following example uses the <code>POSITION<\/code> example to find the first occurrence of the string <code>\"SQL\"<\/code> in the string <code>\"SQL will, SQL will rock you!\"<\/code>:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-2\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\">SELECT\n  POSITION(<span class=\"hljs-string\">'SQL'<\/span> IN <span class=\"hljs-string\">'SQL will, SQL will rock you!'<\/span>) <span class=\"hljs-keyword\">AS<\/span> sql_position;<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-2\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>Output:<\/p>\n\n\n<pre class=\"wp-block-code\"><span><code class=\"hljs\"> sql_position\n--------------\n            1<\/code><\/span><\/pre>\n\n\n<p>The following example returns zero because the input string doesn&#8217;t have the substring &#8220;We&#8221;:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-3\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\">SELECT\n  POSITION(<span class=\"hljs-string\">'We'<\/span> IN <span class=\"hljs-string\">'SQL will, SQL will rock you!'<\/span>) <span class=\"hljs-keyword\">AS<\/span> result;<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-3\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>Output:<\/p>\n\n\n<pre class=\"wp-block-code\"><span><code class=\"hljs\"> result\n--------\n      0<\/code><\/span><\/pre>\n\n\n<h2 class=\"wp-block-heading\" id='finding-the-position-of-a-substring-in-employee-names'>Finding the Position of a Substring in Employee Names <a href=\"#finding-the-position-of-a-substring-in-employee-names\" class=\"anchor\" id=\"finding-the-position-of-a-substring-in-employee-names\" title=\"Anchor for Finding the Position of a Substring in Employee Names\">#<\/a><\/h2>\n\n\n\n<p>We&#8217;ll use the <code>employees<\/code> from the <a href=\"https:\/\/www.sqltutorial.org\/sql-sample-database\/\">HR sample database<\/a> to demonstrate the <code>POSITION<\/code> function:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"169\" height=\"273\" src=\"https:\/\/www.sqltutorial.org\/wp-content\/uploads\/2016\/03\/employees.png\" alt=\"SQL POSITION Function\" class=\"wp-image-237\"\/><\/figure>\n\n\n\n<p>The following query uses the <code>POSITION<\/code> function to find employees with the letter <code>A<\/code> in the <code>first_name<\/code> column along with the position:<\/p>\n\n\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\"><span class=\"hljs-keyword\">SELECT<\/span>\n  first_name,\n  <span class=\"hljs-keyword\">POSITION<\/span>(<span class=\"hljs-string\">'A'<\/span> <span class=\"hljs-keyword\">IN<\/span> first_name) <span class=\"hljs-keyword\">AS<\/span> position_of_a\n<span class=\"hljs-keyword\">FROM<\/span>\n  employees\n<span class=\"hljs-keyword\">WHERE<\/span>\n  <span class=\"hljs-keyword\">POSITION<\/span>(<span class=\"hljs-string\">'A'<\/span> <span class=\"hljs-keyword\">IN<\/span> first_name) &gt; <span class=\"hljs-number\">0<\/span>;<\/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>\n\n\n<p><a href=\"https:\/\/www.sqltutorial.org\/playground\/?q=U0VMRUNUIGZpcnN0X25hbWUsIFBPU0lUSU9OKCdBJyBJTiBmaXJzdF9uYW1lKSBBUyBwb3NpdGlvbl9vZl9hIEZST00gZW1wbG95ZWVzIFdIRVJFIFBPU0lUSU9OKCdBJyBJTiBmaXJzdF9uYW1lKSA%2BIDA7\" 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=\"SQL (Structured Query Language)\" data-shcb-language-slug=\"sql\"><span><code class=\"hljs language-sql\"> first_name | position_of_a\n<span class=\"hljs-comment\">------------+---------------<\/span>\n Alexander  |             1\n Alexander  |             1\n Adam       |             1\n...<\/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>\n\n\n<h2 class=\"wp-block-heading\" id='filtering-rows-based-on-substring-position'>Filtering Rows Based on Substring Position <a href=\"#filtering-rows-based-on-substring-position\" class=\"anchor\" id=\"filtering-rows-based-on-substring-position\" title=\"Anchor for Filtering Rows Based on Substring Position\">#<\/a><\/h2>\n\n\n\n<p>The following statement uses the <code>POSITION<\/code> function to find employees whose email addresses start with the letter J:<\/p>\n\n\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>\n  email\n<span class=\"hljs-keyword\">FROM<\/span>\n  employees\n<span class=\"hljs-keyword\">WHERE<\/span>\n  <span class=\"hljs-keyword\">POSITION<\/span>(<span class=\"hljs-string\">'j'<\/span> <span class=\"hljs-keyword\">IN<\/span> email) = <span class=\"hljs-number\">1<\/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>\n\n\n<p><a href=\"https:\/\/www.sqltutorial.org\/playground\/?q=U0VMRUNUIGVtYWlsIEZST00gZW1wbG95ZWVzIFdIRVJFIFBPU0lUSU9OKCdqJyBJTiBlbWFpbCkgPSAxOw%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-7\" data-shcb-language-name=\"SQL (Structured Query Language)\" data-shcb-language-slug=\"sql\"><span><code class=\"hljs language-sql\">               email\n<span class=\"hljs-comment\">-----------------------------------<\/span>\n john.chen@sqltutorial.org\n jose manuel.urman@sqltutorial.org\n john.russell@sqltutorial.org\n jonathon.taylor@sqltutorial.org\n jack.livingston@sqltutorial.org\n jennifer.whalen@sqltutorial.org\n john.doe@sqltutorial.org\n jane.doe@sqltutorial.org<\/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>\n\n\n<p>In this example, we use the <code>POSITION<\/code> function in the <code><a href=\"https:\/\/www.sqltutorial.org\/sql-where\/\">WHERE<\/a><\/code> clause to filter rows where the letter j is the first character in the <code>email<\/code> column.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id='using-the-position-function-with-case-expressions'>Using the POSITION function with CASE expressions <a href=\"#using-the-position-function-with-case-expressions\" class=\"anchor\" id=\"using-the-position-function-with-case-expressions\" title=\"Anchor for Using the POSITION function with CASE expressions\">#<\/a><\/h2>\n\n\n\n<p>The following query uses the <code>POSITION<\/code> function with a <a href=\"https:\/\/www.sqltutorial.org\/sql-case\/\">CASE expression<\/a> to query flag employees whose phone numbers start with <code>555<\/code>:<\/p>\n\n\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\">SELECT<\/span>\n  phone_number,\n  <span class=\"hljs-keyword\">CASE<\/span>\n    <span class=\"hljs-keyword\">WHEN<\/span> <span class=\"hljs-keyword\">POSITION<\/span>(<span class=\"hljs-string\">'515'<\/span> <span class=\"hljs-keyword\">IN<\/span> phone_number) &gt; <span class=\"hljs-number\">0<\/span> <span class=\"hljs-keyword\">THEN<\/span> <span class=\"hljs-string\">'Starts with 515'<\/span>\n    <span class=\"hljs-keyword\">ELSE<\/span> <span class=\"hljs-string\">'Does not start with 515'<\/span>\n  <span class=\"hljs-keyword\">END<\/span> <span class=\"hljs-keyword\">AS<\/span> <span class=\"hljs-keyword\">status<\/span>\n<span class=\"hljs-keyword\">FROM<\/span>\n  employees;<\/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>\n\n\n<p><a href=\"https:\/\/www.sqltutorial.org\/playground\/?q=U0VMRUNUIHBob25lX251bWJlciwgQ0FTRSBXSEVOIFBPU0lUSU9OKCc1MTUnIElOIHBob25lX251bWJlcikgPiAwIFRIRU4gJ1N0YXJ0cyB3aXRoIDUxNScgRUxTRSAnRG9lcyBub3Qgc3RhcnQgd2l0aCA1MTUnIEVORCBBUyBzdGF0dXMgRlJPTSBlbXBsb3llZXM7\" 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-9\" data-shcb-language-name=\"SQL (Structured Query Language)\" data-shcb-language-slug=\"sql\"><span><code class=\"hljs language-sql\"> phone_number  |         status\n<span class=\"hljs-comment\">---------------+-------------------------<\/span>\n 515-123-4567  | Starts <span class=\"hljs-keyword\">with<\/span> <span class=\"hljs-number\">515<\/span>\n <span class=\"hljs-number\">515<\/span><span class=\"hljs-number\">-123<\/span><span class=\"hljs-number\">-4568<\/span>  | Starts <span class=\"hljs-keyword\">with<\/span> <span class=\"hljs-number\">515<\/span>\n <span class=\"hljs-number\">515<\/span><span class=\"hljs-number\">-123<\/span><span class=\"hljs-number\">-4569<\/span>  | Starts <span class=\"hljs-keyword\">with<\/span> <span class=\"hljs-number\">515<\/span>\n <span class=\"hljs-number\">590<\/span><span class=\"hljs-number\">-423<\/span><span class=\"hljs-number\">-4567<\/span>  | Does <span class=\"hljs-keyword\">not<\/span> <span class=\"hljs-keyword\">start<\/span> <span class=\"hljs-keyword\">with<\/span> <span class=\"hljs-number\">515<\/span>\n <span class=\"hljs-number\">590<\/span><span class=\"hljs-number\">-423<\/span><span class=\"hljs-number\">-4568<\/span>  | Does <span class=\"hljs-keyword\">not<\/span> <span class=\"hljs-keyword\">start<\/span> <span class=\"hljs-keyword\">with<\/span> <span class=\"hljs-number\">515<\/span>\n...<\/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>\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>POSITION<\/code> function to return the position of the first occurrence of a substring (1-based) in an input string.<\/li>\n\n\n\n<li>The <code>POSITION<\/code> function returns zero if the substring is unavailable in the input string.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id='databases'>Databases <a href=\"#databases\" class=\"anchor\" id=\"databases\" title=\"Anchor for Databases\">#<\/a><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.pgtutorial.com\/postgresql-string-functions\/postgresql-position\/\" target=\"_blank\" rel=\"noreferrer noopener\">PostgreSQL POSITION Function<\/a><\/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=\"3104\"\n\t\t\t\tdata-post-url=\"https:\/\/www.sqltutorial.org\/sql-string-functions\/sql-position\/\"\n\t\t\t\tdata-post-title=\"SQL POSITION Function\"\n\t\t\t\tdata-response=\"1\"\n\t\t\t\tclass=\"wth-btn-rounded 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occurrence of a substring within a string. Introduction to the SQL POSITION function # In SQL, the POSITION function returns an integer that represents the location of the first occurrence of a substring within a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1080,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-3104","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>SQL POSITION Function<\/title>\n<meta name=\"description\" content=\"You&#039;ll learn how to use the SQL POSITION function to find the location of the first occurrence of a substring within a string.\" \/>\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.sqltutorial.org\/sql-string-functions\/sql-position\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SQL POSITION Function\" \/>\n<meta property=\"og:description\" content=\"You&#039;ll learn how to use the SQL POSITION function to find the location of the first occurrence of a substring within a string.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.sqltutorial.org\/sql-string-functions\/sql-position\/\" \/>\n<meta property=\"og:site_name\" content=\"SQL Tutorial\" \/>\n<meta property=\"article:modified_time\" content=\"2025-02-02T01:53:31+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.sqltutorial.org\/wp-content\/uploads\/2016\/03\/employees.png\" \/>\n\t<meta property=\"og:image:width\" content=\"169\" \/>\n\t<meta property=\"og:image:height\" content=\"273\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.sqltutorial.org\/sql-string-functions\/sql-position\/\",\"url\":\"https:\/\/www.sqltutorial.org\/sql-string-functions\/sql-position\/\",\"name\":\"SQL POSITION Function\",\"isPartOf\":{\"@id\":\"https:\/\/www.sqltutorial.org\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.sqltutorial.org\/sql-string-functions\/sql-position\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.sqltutorial.org\/sql-string-functions\/sql-position\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.sqltutorial.org\/wp-content\/uploads\/2016\/03\/employees.png\",\"datePublished\":\"2025-01-27T08:22:01+00:00\",\"dateModified\":\"2025-02-02T01:53:31+00:00\",\"description\":\"You'll learn how to use the SQL POSITION function to find the location of the first occurrence of a substring within a string.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.sqltutorial.org\/sql-string-functions\/sql-position\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.sqltutorial.org\/sql-string-functions\/sql-position\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.sqltutorial.org\/sql-string-functions\/sql-position\/#primaryimage\",\"url\":\"https:\/\/www.sqltutorial.org\/wp-content\/uploads\/2016\/03\/employees.png\",\"contentUrl\":\"https:\/\/www.sqltutorial.org\/wp-content\/uploads\/2016\/03\/employees.png\",\"width\":169,\"height\":273,\"caption\":\"SQL Correlated Subquery - 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