sql server if exists update else insert
if exists(SELECT * from Student where FirstName='Akhil' and LastName='Mittal')
BEGIN
update Student set FirstName='Anu' where FirstName='Akhil'
End
else
begin
insert into Student values(1,'Akhil','Mittal',28,'Male',2006,'Noida','Tenth','LFS','Delhi')
end if update sql
-- SQL Server (update my_table after update on my_table)
CREATE TRIGGER trTest 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 trTest 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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