FEDERATION_FILTERING_VALUE (Azure SQL Database)
Applies To: SQL Server 2014, SQL Server 2016 Preview
Returns the federation filtering value for filtering connections in Azure SQL Database.
The current implementation of Federations will be retired with Web and Business service tiers. Consider deploying custom sharding solutions to maximize scalability, flexibility, and performance. For more information about custom sharding, see Scaling Out Azure SQL Databases.
Applies to: Azure SQL Database.
Specifies the name of the federation key.
Returns NULL when the connection type is not filtering or the connection is to a database that cannot have a filtering type connection, such as a non-federated database.
Returns an error if the call is not well-formed, such as an invalid number of parameters or incorrect parameter type.