MSSQL - 創建視圖與PK

Question

我創建這樣

create VIEW [dbo].[vw_test] 
AS 
SELECT  'B' AS rtype, ID FROM TB_A 
UNION ALL 
SELECT  'V' AS rtype, ID FROM TB_B 
GO 

如何創建一個PK視圖代碼。我需要做全文搜索。 Tks

Answer 1

通常情況下，您可以在視圖上創建唯一的聚集索引，但不能創建實際的主鍵約束。 Article here。

但是，SQL in the view contains a UNION所以你不能這樣做。