I have tried changing "changetracking" property in sql sever 2012 but its giving error as
TITLE: Microsoft SQL Server Management Studio
Alter failed for Table 'dbo.RETAILTERMINALTABLE'. (Microsoft.SqlServer.Smo)
ADDITIONAL INFORMATION:
An exception occurred while executing a Transact-SQL statement or batch. (Microsoft.SqlServer.ConnectionInfo)
Cannot enable change tracking on table 'RETAILTERMINALTABLE'. Change tracking requires a primary key on the table. Create a primary key on the table before enabling change tracking. (Microsoft SQL Server, Error: 4997)