{"id":3540,"date":"2024-03-13T14:01:52","date_gmt":"2024-03-13T07:01:52","guid":{"rendered":"https:\/\/www.sqlservertutorial.net\/?page_id=3540"},"modified":"2024-03-13T14:09:48","modified_gmt":"2024-03-13T07:09:48","slug":"sql-server-openjson","status":"publish","type":"page","link":"https:\/\/www.sqlservertutorial.net\/sql-server-json-functions\/sql-server-openjson\/","title":{"rendered":"SQL Server OPENJSON() Function"},"content":{"rendered":"\n<p><strong>Summary<\/strong>: in this tutorial, you will learn how to use the SQL Server <code>OPENJSON()<\/code> function to parse JSON text and convert its elements into rows and columns. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id='introduction-to-the-sql-server-openjson-function'>Introduction to the SQL Server OPENJSON() function <a href=\"#introduction-to-the-sql-server-openjson-function\" class=\"anchor\" id=\"introduction-to-the-sql-server-openjson-function\" title=\"Anchor for Introduction to the SQL Server OPENJSON() function\">#<\/a><\/h2>\n\n\n\n<p>The <code>OPENJSON()<\/code> function is a table-valued function that parses a <a href=\"https:\/\/www.sqlservertutorial.net\/sql-server-basics\/sql-server-json\/\">JSON<\/a> string and returns values from the input JSON as rows and columns. In other words, the <code>OPENJSON()<\/code> function converts a JSON string into rows and columns.<\/p>\n\n\n\n<p>Here&#8217;s the basic syntax of the <code>OPENJSON()<\/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\">OPENJSON(json_expression &#91;, path])\n  &#91;<span class=\"hljs-keyword\">WITH<\/span> (\n    option1 &#91;,...optionN]\n  )]<\/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>In this syntax:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>json_expression<\/code>: This is the JSON document that you want to parse.<\/li>\n\n\n\n<li><code>path<\/code>: This JSON path specifies the JSON element to extract. The path is optional. If you omit it, the <code>OPENJSON()<\/code> function will parse the entire JSON document.<\/li>\n\n\n\n<li><code>option1<\/code>, <code>option2<\/code>, &#8230;: These are optional parameters that specify additional options such as data type conversion, schema definition, and error handling.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id='sql-server-openjson-function-examples'>SQL Server OPENJSON() function examples <a href=\"#sql-server-openjson-function-examples\" class=\"anchor\" id=\"sql-server-openjson-function-examples\" title=\"Anchor for SQL Server OPENJSON() function examples\">#<\/a><\/h2>\n\n\n\n<p>Let&#8217;s take some examples of using the <code>OPENJSON()<\/code> function.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id='1-basic-openjson-function-example'>1) Basic OPENJSON() function example <a href=\"#1-basic-openjson-function-example\" class=\"anchor\" id=\"1-basic-openjson-function-example\" title=\"Anchor for 1) Basic OPENJSON() function example\">#<\/a><\/h3>\n\n\n\n<p>Suppose you have the following JSON document:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-2\" data-shcb-language-name=\"JSON \/ JSON with Comments\" data-shcb-language-slug=\"json\"><span><code class=\"hljs language-json\">{\n  <span class=\"hljs-attr\">\"name\"<\/span>: <span class=\"hljs-string\">\"John\"<\/span>,\n  <span class=\"hljs-attr\">\"age\"<\/span>: <span class=\"hljs-number\">25<\/span>,\n  <span class=\"hljs-attr\">\"skills\"<\/span>: &#91;\n    <span class=\"hljs-string\">\"SQL Server\"<\/span>,\n    <span class=\"hljs-string\">\"C#\"<\/span>,\n    <span class=\"hljs-string\">\".NET\"<\/span>\n  ],\n  <span class=\"hljs-attr\">\"address\"<\/span>: <span class=\"hljs-literal\">null<\/span>,\n  <span class=\"hljs-attr\">\"active\"<\/span>: <span class=\"hljs-literal\">true<\/span>,\n  <span class=\"hljs-attr\">\"phone\"<\/span>: {\n    <span class=\"hljs-attr\">\"work\"<\/span>: <span class=\"hljs-string\">\"(408)-123-4567\"<\/span>,\n    <span class=\"hljs-attr\">\"home\"<\/span>: <span class=\"hljs-string\">\"(408)-789-1234\"<\/span>\n  }\n}<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-2\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JSON \/ JSON with Comments<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">json<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>The following example uses the <code>OPENJSON()<\/code> function to parse and convert the JSON document into rows and columns:<\/p>\n\n\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>\n  * \n<span class=\"hljs-keyword\">FROM<\/span>\n  OPENJSON(\n    <span class=\"hljs-string\">'{\"name\": \"John\", \"age\": 25, \"skills\" : &#91;\"SQL Server\",\"C#\", \".NET\"], \"address\":null, \"active\": true, \"phone\": {\"work\": \"(408)-123-4567\", \"home\": \"(408)-789-1234\"}}'<\/span>\n  ) \n<span class=\"hljs-keyword\">ORDER<\/span> <span class=\"hljs-keyword\">BY<\/span>\n  <span class=\"hljs-keyword\">type<\/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>\n\n\n<p>Output:<\/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\">key     | value                                                | type\n<span class=\"hljs-comment\">-----------------------------------------------------------------------<\/span>\naddress | None                                                 | 0\nname    | John                                                 | 1\nage     | 25                                                   | 2\nactive  | true                                                 | 3\nskills  | &#91;\"SQL Server\",\"C<span class=\"hljs-comment\">#\", \".NET\"]                          | 4<\/span>\nphone   | {\"work\": \"(408)-123-4567\", \"home\": \"(408)-789-1234\"} | 5<\/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>The output has three columns <code>key<\/code>, <code>value<\/code>, and <code>type<\/code>.<\/p>\n\n\n\n<p>The keys and values in the result set correspond to the keys and values in the JSON document. The value of the <code>type<\/code> column determines the data type of the corresponding value in the result:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>type<\/th><th>JSON data type<\/th><\/tr><\/thead><tbody><tr><td>0<\/td><td>null<\/td><\/tr><tr><td>1<\/td><td>string<\/td><\/tr><tr><td>2<\/td><td>number<\/td><\/tr><tr><td>3<\/td><td>true\/false<\/td><\/tr><tr><td>4<\/td><td>array<\/td><\/tr><tr><td>5<\/td><td>object<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id='2-using-the-openjson-function-with-an-explicit-structure'>2) Using the OPENJSON() function with an explicit structure <a href=\"#2-using-the-openjson-function-with-an-explicit-structure\" class=\"anchor\" id=\"2-using-the-openjson-function-with-an-explicit-structure\" title=\"Anchor for 2) Using the OPENJSON() function with an explicit structure\">#<\/a><\/h3>\n\n\n\n<p>The <code>WITH<\/code> clause in the <code>OPENJSON()<\/code> function allows you to specify a schema for the result set. The <code>OPENJSON()<\/code> function will return a result set with only the columns you define in the <code>WITH<\/code> clause.<\/p>\n\n\n\n<p>The following example uses the <code>OPENJSON()<\/code> function to parse and convert elements of a JSON string to a specific schema:<\/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\"><span class=\"hljs-keyword\">SELECT<\/span>\n  * \n<span class=\"hljs-keyword\">FROM<\/span>\n  OPENJSON(\n    <span class=\"hljs-string\">'{\"name\": \"John\", \"age\": 25, \"skills\" : &#91;\"SQL Server\",\"C#\", \".NET\"], \"address\":null, \"active\": true, \"phone\": {\"work\": \"(408)-123-4567\", \"home\": \"(408)-789-1234\"}}'<\/span>\n  ) \n<span class=\"hljs-keyword\">WITH<\/span> (\n\t<span class=\"hljs-keyword\">name<\/span> <span class=\"hljs-built_in\">VARCHAR<\/span>(<span class=\"hljs-number\">100<\/span>)  <span class=\"hljs-string\">'$.name'<\/span>,\n\tage <span class=\"hljs-built_in\">INT<\/span>  <span class=\"hljs-string\">'$.age'<\/span>,\n\tactive <span class=\"hljs-built_in\">BIT<\/span> <span class=\"hljs-string\">'$.active'<\/span>,\n\twork_phone <span class=\"hljs-built_in\">VARCHAR<\/span>(<span class=\"hljs-number\">20<\/span>) <span class=\"hljs-string\">'$.phone.work'<\/span>,\n\thome_phone <span class=\"hljs-built_in\">VARCHAR<\/span>(<span class=\"hljs-number\">25<\/span>) <span class=\"hljs-string\">'$.phone.home'<\/span>,\n\taddress <span class=\"hljs-built_in\">VARCHAR<\/span>(<span class=\"hljs-number\">255<\/span>) <span class=\"hljs-string\">'$.address'<\/span>\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<p>Output:<\/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\">name | age | active | work_phone     | home_phone     | address\n<span class=\"hljs-comment\">----------------------------------------------------------------<\/span>\nJohn | 25  | True   | (408)-123-4567 | (408)-789-1234 | NULL<\/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<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>OPENJSON()<\/code> function to parse JSON text and convert its elements into rows and columns. <\/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=\"3540\"\n\t\t\t\tdata-post-url=\"https:\/\/www.sqlservertutorial.net\/sql-server-json-functions\/sql-server-openjson\/\"\n\t\t\t\tdata-post-title=\"SQL Server OPENJSON() 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 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<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":3480,"menu_order":7,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-3540","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>SQL Server OPENJSON() Function<\/title>\n<meta name=\"description\" content=\"How to use the SQL Server OPENJSON() function to parse JSON text and convert its elements into rows and columns.\" \/>\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.sqlservertutorial.net\/sql-server-json-functions\/sql-server-openjson\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SQL Server OPENJSON() Function\" 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