{"id":8311,"date":"2019-09-02T08:55:37","date_gmt":"2019-09-02T15:55:37","guid":{"rendered":"http:\/\/www.mysqltutorial.org\/?page_id=8311"},"modified":"2023-12-27T02:14:59","modified_gmt":"2023-12-27T09:14:59","slug":"alter-stored-procedure","status":"publish","type":"page","link":"https:\/\/www.mysqltutorial.org\/mysql-stored-procedure\/alter-stored-procedure\/","title":{"rendered":"MySQL ALTER PROCEDURE Statement"},"content":{"rendered":"\n<p><strong>Summary<\/strong>: in this tutorial, you will learn how to use the MySQL <code>ALTER PROCEDURE<\/code> statement to modify an existing stored procedure in the MySQL database.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Introduction to MySQL ALTER PROCEDURE statement<\/h2>\n\n\n\n<p>To change the characteristics of a stored procedure, you use the <code>ALTER PROCEDURE<\/code> statement:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-1\" data-shcb-language-name=\"CSS\" data-shcb-language-slug=\"css\"><span><code class=\"hljs language-css\"><span class=\"hljs-selector-tag\">ALTER<\/span> <span class=\"hljs-selector-tag\">PROCEDURE<\/span> <span class=\"hljs-selector-tag\">sp_name<\/span> <span class=\"hljs-selector-attr\">&#91;characteristic ...]<\/span><\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-1\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">CSS<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">css<\/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>First, specify the stored procedure name that you want to modify after the <code>ALTER PROCEDURE<\/code> keywords. Notice that you don&#8217;t use parentheses <code>()<\/code> after the stored procedure name (<code>sp_name<\/code>).<\/li>\n\n\n\n<li>Second, specify the characteristics you want to change after the stored procedure name.<\/li>\n<\/ul>\n\n\n\n<p>Here are the characteristics of a stored procedure that you can change with the <code>ALTER PROCEDURE<\/code> statement:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-2\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">characteristic: {\n    COMMENT <span class=\"hljs-string\">'string'<\/span>\n  | LANGUAGE SQL\n  | { CONTAINS SQL | NO SQL | READS SQL DATA | MODIFIES SQL DATA }\n  | SQL SECURITY { DEFINER | INVOKER }\n}<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-2\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>Sometimes, you may want to modify a stored procedure by adding or removing <a href=\"https:\/\/www.mysqltutorial.org\/mysql-stored-procedure\/stored-procedures-parameters-in-mysql\/\">parameters<\/a> or even changing its body. <\/p>\n\n\n\n<p>However, it&#8217;s important to note that the <code>ALTER PROCEDURE<\/code> statement does not support this. To implement such modifications, you need to:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>First, drop the stored procedure using the <code><a href=\"https:\/\/www.mysqltutorial.org\/mysql-stored-procedure\/mysql-drop-procedure\/\">DROP PROCEDURE<\/a><\/code>  statement.<\/li>\n\n\n\n<li>Second, recreate the stored procedure using the <code><a href=\"https:\/\/www.mysqltutorial.org\/mysql-stored-procedure\/getting-started-with-mysql-stored-procedures\/\">CREATE PROCEDURE<\/a><\/code> statement.<\/li>\n<\/ul>\n\n\n\n<p>It&#8217;s important to back up the stored procedure before making changes so that you can restore it if things go wrong. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\">MySQL ALTER PROCEDURE statement example<\/h2>\n\n\n\n<p>First, connect to the <a href=\"https:\/\/www.mysqltutorial.org\/getting-started-with-mysql\/mysql-sample-database\/\">classicmodels sample database<\/a>:<\/p>\n\n\n<pre class=\"wp-block-code\"><span><code class=\"hljs\">mysql -u root -p classicmodels<\/code><\/span><\/pre>\n\n\n<p>Second, create a new stored procedure named <code>GetAllEmployees()<\/code> that returns all employees:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-3\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">DELIMITER <span class=\"hljs-comment\">\/\/<\/span>\n\nCREATE PROCEDURE GetEmployees()\nBEGIN\n\tSELECT * FROM employees;\nEND <span class=\"hljs-comment\">\/\/ <\/span>\n\nDELIMITER ;<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-3\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>Third, show the stored procedure definition:<\/p>\n\n\n<pre class=\"wp-block-code\"><span><code class=\"hljs\">SHOW CREATE PROCEDURE GetEmployees\\G<\/code><\/span><\/pre>\n\n\n<p>Output:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-4\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">*************************** <span class=\"hljs-number\">1.<\/span> row ***************************\n           Procedure: GetEmployees\n            <span class=\"hljs-attr\">sql_mode<\/span>: ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION\n    Create Procedure: CREATE DEFINER=<span class=\"hljs-string\">`root`<\/span>@<span class=\"hljs-string\">`localhost`<\/span> PROCEDURE <span class=\"hljs-string\">`GetEmployees`<\/span>()\nBEGIN\n        SELECT * FROM employees;\nEND\n<span class=\"hljs-attr\">character_set_client<\/span>: utf8mb4\n<span class=\"hljs-attr\">collation_connection<\/span>: utf8mb4_0900_ai_ci\n  Database Collation: utf8mb4_bin\n<span class=\"hljs-number\">1<\/span> row <span class=\"hljs-keyword\">in<\/span> <span class=\"hljs-keyword\">set<\/span> (0.00 sec)<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-4\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>Fourth, add a comment to the stored procedure GetEmployees  using the ALTER PROCEDURE statement:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-5\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">ALTER PROCEDURE GetEmployees COMMENT <span class=\"hljs-string\">\"Get employees\"<\/span>;<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-5\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>Finally, show the stored procedure definition to see whether the comments have been added successfully or not:<\/p>\n\n\n<pre class=\"wp-block-code\"><span><code class=\"hljs\"> SHOW CREATE PROCEDURE GetEmployees\\G<\/code><\/span><\/pre>\n\n\n<p>Output:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-6\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">*************************** <span class=\"hljs-number\">1.<\/span> row ***************************\n           Procedure: GetEmployees\n            <span class=\"hljs-attr\">sql_mode<\/span>: ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION\n    Create Procedure: CREATE DEFINER=<span class=\"hljs-string\">`root`<\/span>@<span class=\"hljs-string\">`localhost`<\/span> PROCEDURE <span class=\"hljs-string\">`GetEmployees`<\/span>()\n    COMMENT <span class=\"hljs-string\">'Get employees'<\/span>\nBEGIN\n        SELECT * FROM employees;\nEND\n<span class=\"hljs-attr\">character_set_client<\/span>: utf8mb4\n<span class=\"hljs-attr\">collation_connection<\/span>: utf8mb4_0900_ai_ci\n  Database Collation: utf8mb4_bin\n<span class=\"hljs-number\">1<\/span> row <span class=\"hljs-keyword\">in<\/span> <span class=\"hljs-keyword\">set<\/span> (0.00 sec)<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-6\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>The output indicates we have added the comment successfully:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-7\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">COMMENT <span class=\"hljs-string\">'Get employees'<\/span><\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-7\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<h2 class=\"wp-block-heading\">Modifying a stored procedure using MySQL Workbench<\/h2>\n\n\n\n<p>We will show you how to use MySQL Workbench to drop and recreate a stored procedure.<\/p>\n\n\n\n<p>First, <a href=\"https:\/\/www.mysqltutorial.org\/mysql-stored-procedure\/getting-started-with-mysql-stored-procedures\/\">create a stored procedure<\/a> that returns the total amount of all sales orders:<\/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\">DELIMITER $$\n\n<span class=\"hljs-keyword\">CREATE<\/span> <span class=\"hljs-keyword\">PROCEDURE<\/span> GetOrderAmount()\n<span class=\"hljs-keyword\">BEGIN<\/span>\n    <span class=\"hljs-keyword\">SELECT<\/span> \n        <span class=\"hljs-keyword\">SUM<\/span>(quantityOrdered * priceEach) \n    <span class=\"hljs-keyword\">FROM<\/span> orderDetails;\n<span class=\"hljs-keyword\">END<\/span>$$\n\nDELIMITER ;<\/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>Suppose you want to retrieve the total amount for a given sales order. In this case, you need to add a parameter and modify the code in the stored procedure.<\/p>\n\n\n\n<p>Second, right-click the stored procedure that you want to modify and select <strong>Alter Stored Procedure&#8230;<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"655\" height=\"467\" src=\"https:\/\/www.mysqltutorial.org\/wp-content\/uploads\/2019\/09\/MySQL-alter-stored-procedure-step-2.png\" alt=\"\" class=\"wp-image-8312\" srcset=\"https:\/\/www.mysqltutorial.org\/wp-content\/uploads\/2019\/09\/MySQL-alter-stored-procedure-step-2.png 655w, https:\/\/www.mysqltutorial.org\/wp-content\/uploads\/2019\/09\/MySQL-alter-stored-procedure-step-2-200x143.png 200w\" sizes=\"auto, (max-width: 655px) 100vw, 655px\" \/><\/figure>\n\n\n\n<p>MySQL Workbench will open a new tab containing the stored procedure&#8217;s definition.<\/p>\n\n\n\n<p>Third, make the necessary changes and click the <strong>Apply<\/strong> button.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"683\" height=\"441\" src=\"https:\/\/www.mysqltutorial.org\/wp-content\/uploads\/2019\/09\/MySQL-alter-stored-procedure-step-3.png\" alt=\"\" class=\"wp-image-8313\" srcset=\"https:\/\/www.mysqltutorial.org\/wp-content\/uploads\/2019\/09\/MySQL-alter-stored-procedure-step-3.png 683w, https:\/\/www.mysqltutorial.org\/wp-content\/uploads\/2019\/09\/MySQL-alter-stored-procedure-step-3-200x129.png 200w\" sizes=\"auto, (max-width: 683px) 100vw, 683px\" \/><\/figure>\n\n\n\n<p>MySQL Workbench will present an SQL Script review window.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"790\" height=\"576\" src=\"https:\/\/www.mysqltutorial.org\/wp-content\/uploads\/2019\/09\/MySQL-alter-stored-procedure-step-4.png\" alt=\"\" class=\"wp-image-8314\" srcset=\"https:\/\/www.mysqltutorial.org\/wp-content\/uploads\/2019\/09\/MySQL-alter-stored-procedure-step-4.png 790w, https:\/\/www.mysqltutorial.org\/wp-content\/uploads\/2019\/09\/MySQL-alter-stored-procedure-step-4-200x146.png 200w, https:\/\/www.mysqltutorial.org\/wp-content\/uploads\/2019\/09\/MySQL-alter-stored-procedure-step-4-768x560.png 768w\" sizes=\"auto, (max-width: 790px) 100vw, 790px\" \/><\/figure>\n\n\n\n<p>The picture (1) and (2) indicates that MySQL Workbench uses a sequence of <code>DROP PROCEDURE<\/code> and <code>CREATE PROCEDURE<\/code> statements to implement the modification.<\/p>\n\n\n\n<p>Fourth, click the <strong>Apply<\/strong> button to execute the script.<\/p>\n\n\n\n<p>MySQL Workbench will display a window that shows the status of the script execution.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"694\" height=\"493\" src=\"https:\/\/www.mysqltutorial.org\/wp-content\/uploads\/2019\/09\/MySQL-modify-stored-procedure-step-5.png\" alt=\"\" class=\"wp-image-8315\" srcset=\"https:\/\/www.mysqltutorial.org\/wp-content\/uploads\/2019\/09\/MySQL-modify-stored-procedure-step-5.png 694w, https:\/\/www.mysqltutorial.org\/wp-content\/uploads\/2019\/09\/MySQL-modify-stored-procedure-step-5-200x142.png 200w\" sizes=\"auto, (max-width: 694px) 100vw, 694px\" \/><\/figure>\n\n\n\n<p>Finally, click the <strong>Finish<\/strong> button to complete the change.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Summary<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Use the MySQL <code>ALTER PROCEDURE<\/code> statement to modify the characteristics of a stored procedure.<\/li>\n\n\n\n<li>Drop and recreate a stored procedure to modify its parameters and body.<\/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=\"8311\"\n\t\t\t\tdata-post-url=\"https:\/\/www.mysqltutorial.org\/mysql-stored-procedure\/alter-stored-procedure\/\"\n\t\t\t\tdata-post-title=\"MySQL ALTER PROCEDURE Statement\"\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 h-full\"\n\t\t\t\t>\n\t\t\t\t\t<path\n\t\t\t\t\t\td=\"M14 9V5a3 3 0 0 0-3-3l-4 9v11h11.28a2 2 0 0 0 2-1.7l1.38-9a2 2 0 0 0-2-2.3zM7 22H4a2 2 0 0 1-2-2v-7a2 2 0 0 1 2-2h3\"\n\t\t\t\t\t><\/path>\n\t\t\t\t<\/svg>\n\t\t\t\t<span class=\"sr-only\"> Yes <\/span>\n\t\t\t<\/button>\n\n\t\t\t<button\n\t\t\t\tdata-response=\"0\"\n\t\t\t\tdata-post=\"8311\"\n\t\t\t\tdata-post-url=\"https:\/\/www.mysqltutorial.org\/mysql-stored-procedure\/alter-stored-procedure\/\"\n\t\t\t\tdata-post-title=\"MySQL ALTER PROCEDURE Statement\"\n\t\t\t\tclass=\"wth-btn-rounded wth-no-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>\n\t\t\t\t\t<path\n\t\t\t\t\t\td=\"M10 15v4a3 3 0 0 0 3 3l4-9V2H5.72a2 2 0 0 0-2 1.7l-1.38 9a2 2 0 0 0 2 2.3zm7-13h2.67A2.31 2.31 0 0 1 22 4v7a2.31 2.31 0 0 1-2.33 2H17\"\n\t\t\t\t\t><\/path>\n\t\t\t\t<\/svg>\n\t\t\t\t<span class=\"sr-only\"> No <\/span>\n\t\t\t<\/button>\n\t\t<\/div>\n\t<\/header>\n\n\t<div class=\"wth-form hidden\">\n\t\t<div class=\"wth-form-wrapper\">\n\t\t\t<div class=\"wth-title\"><\/div>\n\t\t\t\n\t\t\t<textarea class=\"wth-message\"><\/textarea>\n\n\t\t\t<button class=\"btn btn-primary wth-btn-submit\">Send<\/button>\n\t\t\t<button class=\"btn wth-btn-cancel\">Cancel<\/button>\n\t\t\n\t\t<\/div>\n\t<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>In this tutorial, you will learn how to alter an existing stored procedure in the database using MySQL Workbench.<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":518,"menu_order":5,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-8311","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>How to Alter a Stored Procedure in MySQL<\/title>\n<meta name=\"description\" content=\"In this tutorial, you will learn how to alter an existing stored procedure in the database using MySQL Workbench.\" \/>\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.mysqltutorial.org\/mysql-stored-procedure\/alter-stored-procedure\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Alter a Stored Procedure in MySQL\" \/>\n<meta property=\"og:description\" content=\"In this tutorial, you will learn how to alter an existing stored procedure in the database using MySQL Workbench.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.mysqltutorial.org\/mysql-stored-procedure\/alter-stored-procedure\/\" \/>\n<meta property=\"og:site_name\" content=\"MySQL Tutorial\" \/>\n<meta property=\"article:modified_time\" content=\"2023-12-27T09:14:59+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.mysqltutorial.org\/wp-content\/uploads\/2019\/09\/MySQL-alter-stored-procedure-step-2.png\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.mysqltutorial.org\\\/mysql-stored-procedure\\\/alter-stored-procedure\\\/\",\"url\":\"https:\\\/\\\/www.mysqltutorial.org\\\/mysql-stored-procedure\\\/alter-stored-procedure\\\/\",\"name\":\"How to Alter a Stored Procedure in MySQL\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.mysqltutorial.org\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.mysqltutorial.org\\\/mysql-stored-procedure\\\/alter-stored-procedure\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.mysqltutorial.org\\\/mysql-stored-procedure\\\/alter-stored-procedure\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.mysqltutorial.org\\\/wp-content\\\/uploads\\\/2019\\\/09\\\/MySQL-alter-stored-procedure-step-2.png\",\"datePublished\":\"2019-09-02T15:55:37+00:00\",\"dateModified\":\"2023-12-27T09:14:59+00:00\",\"description\":\"In this tutorial, you will learn how to alter an existing stored procedure in the database using MySQL Workbench.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.mysqltutorial.org\\\/mysql-stored-procedure\\\/alter-stored-procedure\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.mysqltutorial.org\\\/mysql-stored-procedure\\\/alter-stored-procedure\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.mysqltutorial.org\\\/mysql-stored-procedure\\\/alter-stored-procedure\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.mysqltutorial.org\\\/wp-content\\\/uploads\\\/2019\\\/09\\\/MySQL-alter-stored-procedure-step-2.png\",\"contentUrl\":\"https:\\\/\\\/www.mysqltutorial.org\\\/wp-content\\\/uploads\\\/2019\\\/09\\\/MySQL-alter-stored-procedure-step-2.png\",\"width\":655,\"height\":467},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.mysqltutorial.org\\\/mysql-stored-procedure\\\/alter-stored-procedure\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.mysqltutorial.org\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"MySQL Stored Procedures\",\"item\":\"https:\\\/\\\/www.mysqltutorial.org\\\/mysql-stored-procedure\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"MySQL ALTER PROCEDURE Statement\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.mysqltutorial.org\\\/#website\",\"url\":\"https:\\\/\\\/www.mysqltutorial.org\\\/\",\"name\":\"MySQL Tutorial\",\"description\":\"A comprehensive MySQL Tutorial\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.mysqltutorial.org\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"How to Alter a Stored Procedure in MySQL","description":"In this tutorial, you will learn how to alter an existing stored procedure in the database using MySQL Workbench.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.mysqltutorial.org\/mysql-stored-procedure\/alter-stored-procedure\/","og_locale":"en_US","og_type":"article","og_title":"How to Alter a Stored Procedure in MySQL","og_description":"In this tutorial, you will learn how to alter an existing stored procedure in the database using MySQL Workbench.","og_url":"https:\/\/www.mysqltutorial.org\/mysql-stored-procedure\/alter-stored-procedure\/","og_site_name":"MySQL Tutorial","article_modified_time":"2023-12-27T09:14:59+00:00","og_image":[{"url":"https:\/\/www.mysqltutorial.org\/wp-content\/uploads\/2019\/09\/MySQL-alter-stored-procedure-step-2.png","type":"","width":"","height":""}],"twitter_misc":{"Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.mysqltutorial.org\/mysql-stored-procedure\/alter-stored-procedure\/","url":"https:\/\/www.mysqltutorial.org\/mysql-stored-procedure\/alter-stored-procedure\/","name":"How to Alter a Stored Procedure in MySQL","isPartOf":{"@id":"https:\/\/www.mysqltutorial.org\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.mysqltutorial.org\/mysql-stored-procedure\/alter-stored-procedure\/#primaryimage"},"image":{"@id":"https:\/\/www.mysqltutorial.org\/mysql-stored-procedure\/alter-stored-procedure\/#primaryimage"},"thumbnailUrl":"https:\/\/www.mysqltutorial.org\/wp-content\/uploads\/2019\/09\/MySQL-alter-stored-procedure-step-2.png","datePublished":"2019-09-02T15:55:37+00:00","dateModified":"2023-12-27T09:14:59+00:00","description":"In this tutorial, you will learn how to alter an existing stored procedure in the database using MySQL Workbench.","breadcrumb":{"@id":"https:\/\/www.mysqltutorial.org\/mysql-stored-procedure\/alter-stored-procedure\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.mysqltutorial.org\/mysql-stored-procedure\/alter-stored-procedure\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.mysqltutorial.org\/mysql-stored-procedure\/alter-stored-procedure\/#primaryimage","url":"https:\/\/www.mysqltutorial.org\/wp-content\/uploads\/2019\/09\/MySQL-alter-stored-procedure-step-2.png","contentUrl":"https:\/\/www.mysqltutorial.org\/wp-content\/uploads\/2019\/09\/MySQL-alter-stored-procedure-step-2.png","width":655,"height":467},{"@type":"BreadcrumbList","@id":"https:\/\/www.mysqltutorial.org\/mysql-stored-procedure\/alter-stored-procedure\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.mysqltutorial.org\/"},{"@type":"ListItem","position":2,"name":"MySQL Stored Procedures","item":"https:\/\/www.mysqltutorial.org\/mysql-stored-procedure\/"},{"@type":"ListItem","position":3,"name":"MySQL ALTER PROCEDURE Statement"}]},{"@type":"WebSite","@id":"https:\/\/www.mysqltutorial.org\/#website","url":"https:\/\/www.mysqltutorial.org\/","name":"MySQL Tutorial","description":"A comprehensive MySQL Tutorial","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.mysqltutorial.org\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"}]}},"_links":{"self":[{"href":"https:\/\/www.mysqltutorial.org\/wp-json\/wp\/v2\/pages\/8311","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mysqltutorial.org\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.mysqltutorial.org\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.mysqltutorial.org\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mysqltutorial.org\/wp-json\/wp\/v2\/comments?post=8311"}],"version-history":[{"count":4,"href":"https:\/\/www.mysqltutorial.org\/wp-json\/wp\/v2\/pages\/8311\/revisions"}],"predecessor-version":[{"id":13550,"href":"https:\/\/www.mysqltutorial.org\/wp-json\/wp\/v2\/pages\/8311\/revisions\/13550"}],"up":[{"embeddable":true,"href":"https:\/\/www.mysqltutorial.org\/wp-json\/wp\/v2\/pages\/518"}],"wp:attachment":[{"href":"https:\/\/www.mysqltutorial.org\/wp-json\/wp\/v2\/media?parent=8311"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}