触发SQL插入和更新

Question

I have two table INVENTORY and INPUT

create table INPUT(
PRODUCTID nvarchar(10),
QUANTUMINPUT int
)

create table INVENTORY(
PRODUCTID nvarchar(10),
QUANTUM int,
QUANTUMINPUT int,
LASTQUANTUM int
)

How to create SQL trigger on SQL when insert column QUANTUMINPUT , table INVENTORY change over?

Answer 1

Create trigger tr_update_insert_input
On dbo.[input]
After insert, update 
As 
Begin 
 Set nocount on; 

 Update intry
  Set intry.quantumnput = inpt.quantuminput
 From inventory intry inner join inserted inpt
 On intry.productid = inpt.productid 

End