Search notes:

SQL Server: CLR Integration

A limitation of the SQLCLR is that only static methods can be called.

Enabling CLR Integration

sp_configure 'clr enabled', 1
go

reconfigure
go

Levels of trust

Assemblies can be created in one of the following three levels of trust:
create assembly …
WITH PERMISSION_SET = 'EXTERNAL_ACCESS';

See also

sys.assemblies, sys.assembly_files, sys.assembly_references, sys.trusted_assemblies
sp_add_trusted_assembly
The clr strict security server property.
T-SQL
Common Language Runtime

Index