不能在具有唯一索引 '' 的对象 '' 中插入重复键的行

GO
CREATE TABLE #Test (C1 INT);
GO
CREATE UNIQUE INDEX AK_Index ON #Test (C1)
WITH (IGNORE_DUP_KEY = ON);
GO
INSERT INTO #Test VALUES (1);
INSERT INTO #Test VALUES (1);	--已忽略重复的键。

GO
SELECT COUNT(*)AS [Number of rows] FROM #Test;
GO
DROP TABLE #Test;
GO