Functions (Entity SQL)
Entity SQL supports canonical functions and provider-specific functions. Canonical functions are predefined in the Entity Framework and should be supported by data providers. Entity SQL commands will fail if a user calls a function that is not supported by a provider.
Therefore, canonical functions are generally recommended over store-specific functions, which are in a provider-specific namespace.
For more information, see Canonical Functions (Entity SQL).
The Microsoft SQL Client Managed Provider provides a set of provider-specific functions. For more information, see .NET Framework Data Provider for SQL Server (SqlClient) for the Entity Framework Functions.
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