“SQL STORED PROSEDUR PEMBARUAN Jika parameter tidak nol” Kode Jawaban

SQL STORED PROSEDUR PEMBARUAN Jika parameter tidak nol

Update [Users]
set    FirstName = IsNull(@FirstName, FirstName),
	   -- If you want to check for empty strings as well
       City = ISNULL(NULLIF(@City, ''), City),
       ....
Where  ...