{"id":17160,"date":"2020-10-11T12:26:42","date_gmt":"2020-10-11T12:26:42","guid":{"rendered":"https:\/\/dbtut.com\/?p=17160"},"modified":"2020-10-11T15:31:05","modified_gmt":"2020-10-11T15:31:05","slug":"oracle-pl-sql-exception","status":"publish","type":"post","link":"https:\/\/dbtut.com\/index.php\/2020\/10\/11\/oracle-pl-sql-exception\/","title":{"rendered":"Oracle PL\/SQL Exception"},"content":{"rendered":"<p>This article contains information about Oracle PL\/SQL Exception and Types such as system defined, user defined.<\/p>\n<h3>What is Exception in Oracle PL\/SQL?<\/h3>\n<p>These are the structures used for the management of errors that occur during the execution of commands.<\/p>\n<h3>Oracle PL\/SQL Exception Types<\/h3>\n<ul>\n<li>System-defined<\/li>\n<li>User-defined<\/li>\n<\/ul>\n<p>The use of the PL \/ SQL Exception structure is as follows.<\/p>\n<pre class=\"lang:default decode:true\">DECLARE\r\n    -- definitions\r\nBEGIN\r\n    -- commands\r\nEXCEPTION\r\n    WHEN HATA-TURU THEN\r\n        -- commands\r\n    WHEN OTHERS THEN\r\n        -- commands\r\nEND;<\/pre>\n<p>Sample Exception Usage is as follows;<\/p>\n<pre class=\"lang:default decode:true\">BEGIN\r\n    DBMS_OUTPUT.put_line(3\/0);\r\nEXCEPTION\r\n    WHEN ZERO_DIVIDE THEN\r\n        DBMS_OUTPUT.put_line('Divide by zero error.');\r\n    WHEN OTHERS THEN\r\n        DBMS_OUTPUT.put_line('unknown error.');\r\nEND;<\/pre>\n<h3>System Defined Exceptions in Oracle PL\/SQL<\/h3>\n<p>The Exception type previously created by Oracle PL \/ SQL is called System defined.<\/p>\n<p>System-defined exception types are listed below.<\/p>\n<ul>\n<li>ACCESS_INTO_NULL<\/li>\n<li>ASE_NOT_FOUND<\/li>\n<li>COLLECTION_IS_NULL<\/li>\n<li>DUP_VAL_ON_INDEX<\/li>\n<li>INVALID_CURSOR<\/li>\n<li>INVALID_NUMBER, LOGIN_DENIED<\/li>\n<li>NO_DATA_FOUND<\/li>\n<li>NOT_LOGGED_ON<\/li>\n<li>PROGRAM_ERROR<\/li>\n<li>ROWTYPE_MISMATCH<\/li>\n<li>SELF_IS_NULL<\/li>\n<li>STORAGE_ERROR<\/li>\n<li>TOO_MANY_ROWS<\/li>\n<li>VALUE_ERROR<\/li>\n<li>ZERO_DIVIDE<\/li>\n<\/ul>\n<h3>User Defined Exceptions in Oracle PL\/SQL<\/h3>\n<p>Oracle also allows custom exception definition. These Exception types are called user defined exceptions. You can create User Defined Exception as follows.<\/p>\n<pre class=\"lang:default decode:true\">DECLARE\r\n    MY_CUSTOM_ERROR EXCEPTION;\r\nBEGIN\r\n    NULL;\r\nEND;<\/pre>\n<p>We can set a special error code for the exception as follows.<\/p>\n<pre class=\"lang:default decode:true\">DECLARE\r\n    CUSTOM_ERROR EXCEPTION;\r\n    PRAGMA EXCEPTION_INIT (CUSTOM_ERROR, -1453);\r\nBEGIN\r\n    NULL;\r\nEND;<\/pre>\n<p>The occured error can be triggered by RAISE.<\/p>\n<pre class=\"lang:default decode:true\">SET SERVEROUTPUT ON;\r\nDECLARE\r\n    CUSTOM_ERROR EXCEPTION;\r\n    PRAGMA EXCEPTION_INIT (CUSTOM_ERROR, -1453);\r\n    v_sayi PLS_INTEGER := '0';\r\nBEGIN\r\n    IF v_sayi = 0 THEN\r\n        RAISE CUSTOM_ERROR;\r\n        -- RAISE_APPLICATION_ERROR(-1453, 'Another Error.');\r\n    END IF;\r\nEXCEPTION\r\n    WHEN CUSTOM_ERROR THEN\r\n        DBMS_OUTPUT.put_line('Special Error Occured.');\r\n        DBMS_OUTPUT.put_line(SQLERRM);\r\n    WHEN OTHERS THEN\r\n        DBMS_OUTPUT.put_line('Unknown Error Occured.');\r\nEND;<\/pre>\n<p>The RAISE_APPLICATION_ERROR function takes the &#8220;error code&#8221;, &#8220;error message&#8221;, and &#8220;whether the error should be replaced with existing errors&#8221; as parameters to create a custom error.<\/p>\n<p>You can find more detailed information about below topics in the below link.<\/p>\n<p><strong><a href=\"https:\/\/dbtut.com\/index.php\/2020\/03\/19\/pl-sql-tutorial\/\" target=\"_blank\" rel=\"noopener noreferrer\">PL\/SQL Tutorial<\/a><\/strong><\/p>\n<p>You will find below topics in this article.<\/p>\n<ol>\n<li><a href=\"https:\/\/dbtut.com\/index.php\/2020\/10\/11\/what-is-pl-sql\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>What is PL\/SQL<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/dbtut.com\/index.php\/2020\/10\/11\/oracle-pl-sql-data-types-and-variables-and-literals\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Oracle PL\/SQL Data Types and Variables and Literals<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/dbtut.com\/index.php\/2020\/10\/11\/oracle-pl-sql-operators\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Oracle PL\/SQL Operators<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/dbtut.com\/index.php\/2020\/10\/11\/oracle-pl-sql-conditional-statements\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Oracle PL\/SQL Conditional Statements<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/dbtut.com\/index.php\/2020\/10\/11\/oracle-pl-sql-loops\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Oracle PL\/SQL Loops<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/dbtut.com\/index.php\/2020\/10\/11\/oracle-pl-sql-procedures-and-procedure-parameters\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Oracle PL\/SQL Procedures and Procedure Parameters<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/dbtut.com\/index.php\/2020\/10\/11\/oracle-pl-sql-functions\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Oracle PL\/SQL Functions<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/dbtut.com\/index.php\/2020\/10\/11\/oracle-pl-sql-cursor\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Oracle PL\/SQL Cursor<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/dbtut.com\/index.php\/2020\/10\/11\/oracle-pl-sql-records\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Oracle PL\/SQL Records<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/dbtut.com\/index.php\/2020\/10\/11\/oracle-pl-sql-exception\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Oracle PL\/SQL Exception<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/dbtut.com\/index.php\/2020\/10\/11\/oracle-pl-sql-trigger\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Oracle PL\/SQL Trigger<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/dbtut.com\/index.php\/2020\/10\/11\/oracle-pl-sql-packages\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Oracle PL\/SQL Packages<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/dbtut.com\/index.php\/2020\/10\/11\/oracle-pl-sql-collections\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Oracle PL\/SQL Collections<\/strong><\/a><\/li>\n<\/ol>\n<p>You can find more information about exception at <a href=\"https:\/\/docs.oracle.com\/cd\/B28359_01\/appdev.111\/b28370\/errors.htm#LNPLS007\" target=\"_blank\" rel=\"noopener noreferrer\">docs.oracle.com<\/a><\/p>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_17160\" class=\"pvc_stats all  \" data-element-id=\"17160\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/dbtut.com\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>This article contains information about Oracle PL\/SQL Exception and Types such as system defined, user defined. What is Exception in Oracle PL\/SQL? These are the structures used for the management of errors that occur during the execution of commands. Oracle PL\/SQL Exception Types System-defined User-defined The use of the PL \/ SQL Exception structure is &hellip;<\/p>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_17160\" class=\"pvc_stats all  \" data-element-id=\"17160\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/dbtut.com\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"author":485,"featured_media":17161,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[4],"tags":[10088,9296,9298,10090,10089,9112],"class_list":["post-17160","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-oracle","tag-oracle-pl-sql-exception-types","tag-pl-sql-system-defined-exceptions","tag-pl-sql-user-defined-exceptions","tag-system-defined-exceptions-in-oracle-pl-sql","tag-user-defined-exceptions-in-oracle-pl-sql","tag-what-is-exception-in-oracle-pl-sql"],"aioseo_notices":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - 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