{"id":12908,"date":"2024-03-15T01:37:39","date_gmt":"2024-03-15T01:37:39","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-should-the-oracle-function-be-called\/"},"modified":"2025-08-05T08:34:04","modified_gmt":"2025-08-05T08:34:04","slug":"how-should-the-oracle-function-be-called","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-should-the-oracle-function-be-called\/","title":{"rendered":"Oracle Function Call Methods Explained"},"content":{"rendered":"<p>In Oracle, functions can be invoked in two ways:<\/p>\n<ol>\n<li>Using functions in SQL statements: You can use functions in the list of columns in the SELECT statement, for example:<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">SELECT<\/span> function_name(arguments) <span class=\"hljs-keyword\">FROM<\/span> table_name;\r\n<\/code><\/pre>\n<ol>\n<li>Calling a function in PL\/SQL code: You can use a function in a PL\/SQL block, for example:<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">DECLARE<\/span>\r\n    variable_name datatype;\r\n<span class=\"hljs-keyword\">BEGIN<\/span>\r\n    variable_name :<span class=\"hljs-operator\">=<\/span> function_name(arguments);\r\n    <span class=\"hljs-comment\">-- \u5176\u4ed6\u64cd\u4f5c<\/span>\r\n<span class=\"hljs-keyword\">END<\/span>;\r\n<\/code><\/pre>\n<p>In both cases, you need to pass the function name and parameters to the function. The function name serves as the identifier of the function, and the parameters are the values or variables passed to the function. Based on the function&#8217;s definition, you can determine the required parameter types and quantity.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In Oracle, functions can be invoked in two ways: Using functions in SQL statements: You can use functions in the list of columns in the SELECT statement, for example: SELECT function_name(arguments) FROM table_name; Calling a function in PL\/SQL code: You can use a function in a PL\/SQL block, for example: DECLARE variable_name datatype; BEGIN variable_name [&hellip;]<\/p>\n","protected":false},"author":12,"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":[371,813,3489,321,765],"class_list":["post-12908","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-function-calls","tag-oracle-database","tag-oracle-functions","tag-pl-sql","tag-sql-functions"],"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>Oracle Function Call Methods Explained - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn the different ways to call Oracle functions in SQL statements and PL\/SQL code. Complete guide with syntax examples.\" \/>\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.silicloud.com\/blog\/how-should-the-oracle-function-be-called\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Oracle Function Call Methods Explained\" \/>\n<meta property=\"og:description\" content=\"Learn the different ways to call Oracle functions in SQL statements and PL\/SQL code. 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