Writing directly to the SQL Server database is not supported in Microsoft Dynamics CRM

You cannot write directly to the Microsoft SQL Server database in Microsoft Dynamics CRM.

The following operations that are performed directly to the Microsoft Dynamics CRM SQL database are not supported: triggers, stored procedures, ODBC connections with other applications, create, read, update or delete operations. For example, you cannot create custom tables in the Microsoft Dynamics CRM SQL database.

The Microsoft Dynamics CRM software development kit (SDK) documents the supported methods for customizing the Microsoft Dynamics CRM application beyond the customization tools that are provided in the application. The SDK documents all the entities and methods that can be used to take advantage of the power of the CRM class library.

The Microsoft Business Solutions CRM SDK is now available on the Microsoft Developer Network (MSDN). This SDK contains many resources that are designed to help you build powerful vertical applications by using Microsoft Dynamics CRM. The documentation provides a wide range of instructive and practical information and includes the following:

• a comprehensive class library reference
• conceptual overviews
• integration details
• database schemas
• sample code

Microsoft Dynamics CRM SDK:Additionally, technical articles are available on the Microsoft Business Solutions Web site. These technical articles contain practical and instructive information about how to customize and extend the capabilities of Microsoft Dynamics CRM. To view the articles, visit the following Web site: In the left pane, expand Customer Relationship Management, and then expand Technical Articles.