We will need to create the assembly so we can access the stored procedure. For more information, see Enabling CLR Integration.
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The CLR code can be enabled by using the sp_configure system stored procedure.
The ability to execute common language runtime (CLR) code is set to OFF by default in SQL Server. To do this, open SQL Server Management Studio and create a new query, connecting to a suitable test database (for example, the AdventureWorks sample database). Once the sample procedure has successfully compiled, you can test it in SQL Server. Loading and Running the "Hello World" Stored Procedure in SQL Server These commands launch the Visual C# or Visual Basic compiler using the /target option to specify building a library DLL. The /target option allows you to compile it into an assembly. NET Framework directory to your path, you can compile the sample stored procedure into an assembly with the following command. For example:Ĭ:\Windows\Microsoft.NET\Framework\v4.6.1 Version contains the version number of the installed. NET Framework.Ĭ:\Windows\Microsoft.NET\Framework\(version) The following is the default installation path of the. In order to compile our sample, you must modify your path variable to point to the directory containing csc.exe or vbc.exe. These files include csc.exe and vbc.exe, the command-line compilers for Visual C# and Visual Basic programs. NET Framework redistribution files by default. Compile the "Hello World" stored procedure This method can be declared as a stored procedure in SQL Server, and then run in the same manner as a Transact-SQL stored procedure.Ĭompile this program as a library, load it into SQL Server, and run it as a stored procedure. The method also assigns the string "Hello world!" as the value of an out parameter. This method uses two new classes, SqlContext and SqlPipe, for creating managed database objects to output a simple text message. This simple program contains a single static method on a public class. Public Shared Sub HelloWorld(\ ByRef text as String) Public static void HelloWorld(out string text) Writing A Simple "Hello World" Stored ProcedureĬopy and paste the following Visual C# or Microsoft Visual Basic code into a text editor, and save it in a file named "helloworld.cs" or "helloworld.vb". Also, CLR assemblies with the EXTERNAL_ACCESS or UNSAFE permission set are not supported on Linux. NET Framework (SQL Server CLR integration does not support. Loading CLR database objects on Linux is supported, but they must be built with the. The assembly contains the following namespaces, which are required for compiling CLR database objects: A reference to this assembly is typically added automatically by both command line tools and Microsoft Visual Studio, so there is no need to add it manually. This assembly can be found in the Global Assembly Cache (GAC) as well as in the. CLR integration functionality is exposed in an assembly called, which is part of the. The components required to develop basic CLR database objects are installed with SQL Server.
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The topic also shows you how to write, compile, and run a simple CLR stored procedure written in Microsoft Visual C#. NET Framework common language runtime (CLR). This topic provides an overview of the namespaces and libraries required to compile database objects using the Microsoft SQL Server integration with the. Applies to: SQL Server (all supported versions)