{"id":3532,"date":"2024-03-13T07:05:27","date_gmt":"2024-03-13T07:05:27","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/explaining-stored-procedure-examples-with-images-in-mysql\/"},"modified":"2025-07-30T17:40:24","modified_gmt":"2025-07-30T17:40:24","slug":"explaining-stored-procedure-examples-with-images-in-mysql","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/explaining-stored-procedure-examples-with-images-in-mysql\/","title":{"rendered":"MySQL Stored Procedure Examples Guide"},"content":{"rendered":"<p>A MySQL stored procedure is a set of pre-compiled SQL statements stored in a database to perform specific tasks. Using stored procedures can reduce database workload, improve performance, and reduce network traffic. In this article, we will introduce the basic syntax of MySQL stored procedures and provide a simple example to demonstrate how to create and call a stored procedure.<\/p>\n<h3>Create a stored procedure.<\/h3>\n<p>To create a stored procedure, you first need to specify the name of the stored procedure using the CREATE PROCEDURE statement, and write the SQL statements of the stored procedure between BEGIN and END. Here is a simple example:<\/p>\n<pre class=\"post-pre\"><code>DELIMITER <span class=\"hljs-operator\">\/<\/span><span class=\"hljs-operator\">\/<\/span>\r\n<span class=\"hljs-keyword\">CREATE<\/span> <span class=\"hljs-keyword\">PROCEDURE<\/span> get_employee_data()\r\n<span class=\"hljs-keyword\">BEGIN<\/span>\r\n    <span class=\"hljs-keyword\">SELECT<\/span> <span class=\"hljs-operator\">*<\/span> <span class=\"hljs-keyword\">FROM<\/span> employees;\r\n<span class=\"hljs-keyword\">END<\/span> <span class=\"hljs-operator\">\/<\/span><span class=\"hljs-operator\">\/<\/span>\r\nDELIMITER ;\r\n<\/code><\/pre>\n<p>In the example above, we created a stored procedure named get_employee_data that retrieves data of all employees from a table called employees.<\/p>\n<h3>Invoke a stored procedure<\/h3>\n<p>To invoke a stored procedure, simply use the CALL statement followed by the name of the procedure. Here is an example of calling the stored procedure created above:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">CALL<\/span> get_employee_data();\r\n<\/code><\/pre>\n<h3>Example<\/h3>\n<p>Suppose we have a table called employees, which includes the names and salary information of the employees. Below is an example table:<\/p>\n<table>Employee ID<br \/>\nName<br \/>\nSalary<\/p>\n<p>1<br \/>\nJohn<br \/>\n5000<\/p>\n<p>2<br \/>\nSarah<br \/>\n6000<\/p>\n<p>3<br \/>\nMike<br \/>\n5500<\/table>\n<p>We can create a stored procedure to calculate the average salary of employees, as shown below:<\/p>\n<pre class=\"post-pre\"><code>DELIMITER <span class=\"hljs-operator\">\/<\/span><span class=\"hljs-operator\">\/<\/span>\r\n<span class=\"hljs-keyword\">CREATE<\/span> <span class=\"hljs-keyword\">PROCEDURE<\/span> calculate_avg_salary()\r\n<span class=\"hljs-keyword\">BEGIN<\/span>\r\n    <span class=\"hljs-keyword\">SELECT<\/span> <span class=\"hljs-built_in\">AVG<\/span>(salary) <span class=\"hljs-keyword\">AS<\/span> avg_salary <span class=\"hljs-keyword\">FROM<\/span> employees;\r\n<span class=\"hljs-keyword\">END<\/span> <span class=\"hljs-operator\">\/<\/span><span class=\"hljs-operator\">\/<\/span>\r\nDELIMITER ;\r\n<\/code><\/pre>\n<p>Next, we can invoke this stored procedure to retrieve the average salary of employees.<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">CALL<\/span> calculate_avg_salary();\r\n<\/code><\/pre>\n<h3>summarize<\/h3>\n<p>In this article, we present the basic syntax of MySQL stored procedures and a simple example to demonstrate how to create and call stored procedures. Stored procedures can improve database performance and reduce network traffic, making them an important tool in managing MySQL databases. We hope this article is helpful to you!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A MySQL stored procedure is a set of pre-compiled SQL statements stored in a database to perform specific tasks. Using stored procedures can reduce database workload, improve performance, and reduce network traffic. In this article, we will introduce the basic syntax of MySQL stored procedures and provide a simple example to demonstrate how to create [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[494,1954,796,1956,1955],"class_list":["post-3532","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-database-optimization","tag-mysql-stored-procedure","tag-mysql-tutorial","tag-sql-performance","tag-stored-procedure-example"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>MySQL Stored Procedure Examples Guide - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn MySQL stored procedures with step-by-step examples &amp; images. 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