Ok! There is the SQL Server 2005 Components. There is the brief information about the components:
- Database Engine
It provides the core service for storing, procesing and securing the data, it has the tools for creating and managing relational database objects also it supports the other SQL Server features.
- Analysis Services
Includes the tools for creating and managing OnLine Analytical Processing (OLAP).
- Reporting Services
Includes server and client components for creating, managing and deploying tabular, matrix, graphical and free form reports.
- Notification Services
Is for developing and deploying applications that send the messages or notifications to the users.
- Integration Services
Is set of graphical tools and programmable objects for moving, copying and transforming data.