Sql Server中的表访问方式Table Scan, Index Scan, Index Seek
, TaxAmt, Freight, TotalDue, Comment, rowguid, ModifiedDate) SELECT RevisionNumber, OrderDate, DueDate, ShipDate, Status, OnlineOrderFlag, SalesOrderNumber, PurchaseOrderNumber, AccountNumber, CustomerID, SalesPersonID, TerritoryID, BillToAddressID, ShipToAddressID, ShipMethodID, CreditCardI