我在Postgresql中有这个触发器,我不能只是开始工作(什么都不做)。为了理解,我是这样定义它的: CREATE TABLE documents (
...
modification_time timestamp with time zone DEFAULT now()
);
CREATE FUNCTION documents_update_mod_time() RET
我已经在SQL Server 2005中触发以下代码:
CREATE TRIGGER [myTrigger] ON [myTable]
FOR UPDATE,DELETE
AS
BEGIN
DECLARE @OperationType VARCHAR(6)
IF EXISTS(SELECT 1 FROM INSERTED)
BEGIN
SET @OperationTyp