sql trigger example
-- SQL Server (update my_table after update on my_table) CREATE TRIGGER trigger_name ON my_table AFTER UPDATE AS IF UPDATE (col_name) -- Optional, for particular column BEGIN UPDATE my_table SET my_col_date = getdate() FROM my_table END; -- Oracle (insert into log table after update on my_table) CREATE OR REPLACE TRIGGER trigger_name AFTER UPDATE ON my_table FOR EACH ROW BEGIN INSERT INTO my_log_table (LOG_DATE, ACTION) VALUES (SYSDATE, 'Changed'); END;