Sql Server trigger for update

[Gil Ben-Yosef]

Hi,
Does anybody have an example of sql server trigger for an update?

Gil

[Clunietp]

Hi Gil

This is something I threw together, it checks to see if a value already exists, and raises an error if it does.

CREATE TRIGGER tr_test ON [Names] 
FOR INSERT
AS
-- Declare variables
Declare @NewName varchar(50)
Declare @MyCount int

-- Get Name of inserted value
Select @NewName = inserted.[name] from inserted

-- Get Count 
Select @MyCount = count(*) from Names where [Name] = @NewName

-- Check to see if it already exists
if @MyCount > 1
BEGIN
-- roll back change, raise error
ROLLBACK
RAISERROR ('NAME ALREADY EXISTS!', 16, 1)
END

[Gil Ben-Yosef]

Thanks,

It wasn't exactly what I need but it gave me a starting point.
I am adding an example of update trigger for everybody.

Code:
-------------------------------------------
CREATE TRIGGER IntUpdate ON appIntD
FOR update
AS
declare @newkod int
declare @oldkod int
select @oldkod = deleted.kod from deleted
select @newkod = inserted.kod from inserted
if update(kod)
begin
update appIntLinD
set intr=@newkod
where intr= @oldkod
end
-------------------------------------------
gil