oracle insert or update
-- Oracle: Example for Insert or update in t1 from t2 values
MERGE INTO table1 t1
USING table2 t2
ON (t1.CODE = t2.ID)
WHEN MATCHED THEN
UPDATE SET t1.COL1 = t2.VALUE1
WHEN NOT MATCHED THEN
INSERT (CODE, COL1) VALUES (t2.ID, t2.VALUE1);sql trigger oracle update
-- 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;Copyright © 2021 Codeinu
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