SQL Server是否支持IS DISTINCT FROMSQL:1999标准的声明?例如查询
IS DISTINCT FROM
SELECT * FROM Bugs WHERE assigned_to IS NULL OR assigned_to <> 1;
可以使用重写 IS DISTINCT FROM
SELECT * FROM Bugs WHERE assigned_to IS DISTINCT FROM 1;
也有一个针对此问题的Uservoice条目,您可以在其中投票将其包含在下一个版本中: