WebThe main function of the cursor is retrieval of rows from the result set one at a time (row by row). The main function of trigger is to maintain the integrity of the database. A cursor is activated and thus created in response to any SQL statement. A trigger is executed in response to a DDL statement, DML statement or any database operation. WebOne big difference is: triggers cannot be manually executed They only execute in response to a user action, like an INSERT Is called when an event occurs in the table
What is a trigger and cursor in SQL? - Quora
WebWhat is the difference between Triggers and Cursors? A trigger is a procedure (code segment) that is executed automatically when some specific events occur in a table/view … WebJan 11, 2006 · The major difference to keep in mind is that trigger code is hard-parsed every time the trigger runs. You should therefore code all of your trigger actions in stored procedures (preferably implemented in packages, per good programming practice), and limit the trigger body to a PL/SQL block that just invokes the procedure, e.g.: BEGIN my ... gerry atkinson maxi
Difference between Triggers and Cursors in sql - Medium
WebMar 13, 2024 · Types of triggers are listed below: #1) Categorization on the trigger level. ROW Level trigger: It gets executed for each record that got updated by a DML statement. STATEMENT Level trigger: It gets executed only once by the event statement. #2) Categorization of the trigger timing. WebJul 20, 2012 · I'm hoping some expert could show me the light.. :). any other suggestions besides using a cursor will be much appreciated. CREATE OR REPLACE TRIGGER TRIG1 BEFORE INSERT OR DELETE ON (BASETABLE) FOR EACH ROW DECLARE cursor c1 is select person_id from postn_matrix; v_temp varchar2 (15); BEGIN IF … WebAug 25, 2024 · Difference between Triggers and Cursors in sql ? Triggers and Cursors both are database object. Triggers : Triggers are database object and we can perform … christmas every day william dean howells