??????????????????????????????????????????composite indexes????
????1 -- Inline creation of Indexes
????2 CREATE TABLE foo2
????3 (
????4     Col1 INT PRIMARY KEY CLUSTERED??
????5     Col2 INT INDEX idx_Col2 (Col2?? Col3)??
????6     Col3 INT
????7 )
????8 GO
????????汾??????????SQL Server 2008R2????????3????????