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如果您拥有的数据与此列表:如何显示正确的结果
nvarchar int int nvarchar nvarchar
Line start end typ color
-------------------------------------------
T11 1 null cookie Blue
T11 null 10 cookie Blue
T11 null null cookie Blue
T11 null null cookie Blue
T2 20 null computer Red
T2 null null computer Red
T2 null 52 computer Red
T3 null null dark black
T3 52 null dark black
T3 null 10 dark black
请求的结果应该是:
Line start end typ color
-------------------------------------------
T11 1 10 cookie Blue
T2 20 52 computer Red
T3 52 10 dark black
我应该怎么做在SQL Server 2012中?