max value for int data type in Microsoft sql server is
-2^63 (-9,223,372,036,854,775,808) to 2^63-1 (9,223,372,036,854,775,807). is there any data type for which there is no max value ? i need to define the primary key of that data type.i think one solution id GUID but i do not know how to get the particular GUID say if it EmployeeId as primary key .What to do?