Trigger that updates just the inserted row

Question

I\'m trying to create a simple trigger using TSQL (or SQL Server 2008). The problem is: my current trigger is updating the entire table. This was fine for a while, but now t

Answer 1

If it is necessary to use a trigger here at all I would use an INSTEAD OF trigger to adjust the values pre-insert and avoid the need to JOIN back onto the base table and Update them afterwards.

CREATE TRIGGER trig_MyPplUpdate
ON [Persons]
INSTEAD OF INSERT
AS
  BEGIN
      INSERT INTO Persons
      SELECT foo,
             bar,
             CASE
               WHEN Len(MyFile) >= 60 THEN MyFile
             END
      FROM   Inserted
  END