What is SQL SERVER Reporting Services?

Microsoft SQL Server 2008 Reporting Services (SSRS) provides a full range of ready-to-use tools and services to help you create, deploy, and manage reports for your organization, as well as programming features that enable you to extend and customize your reporting functionality.
SQL Server 2008 Reporting Services (SSRS) is a server-based reporting platform that provides comprehensive reporting functionality for a variety of data sources. Reporting Services includes a complete set of tools for you to create, manage, and deliver reports, and APIs that enable developers to integrate or extend data and report processing in custom applications. Reporting Services tools work within the Microsoft Visual Studio environment and are fully integrated with SQL Server tools and components.
With Reporting Services, you can create interactive, tabular, graphical, or free-form reports from relational, multidimensional, or XML-based data sources. You can publish reports, schedule report processing, or access reports on-demand. Reporting Services also enables you to create ad hoc reports based on predefined models, and to interactively explore data within the model. You can select from a variety of viewing formats, export reports to other applications, and subscribe to published reports. The reports that you create can be viewed over a Web-based connection or as part of a Microsoft Windows application or SharePoint site. Reporting Services provides the key to your business data.

Microsoft SQL Server Reporting Services provides a complete server-based platform that is designed to support a wide variety of reporting needs, including managed enterprise reporting, ad-hoc reporting, embedded reporting, and Web-based reporting, to enable organizations to deliver relevant information where needed across the entire enterprise. Reporting Services provides the tools and features necessary to author a variety of richly formatted reports from a wide range of data sources, and provides a comprehensive set of familiar tools used to manage and secure an enterprise reporting solution. Reports are processed and delivered quickly and effectively, enabling users to either receive reports automatically through subscriptions, to access reports from a central report repository on an ad-hoc basis, or to consume reports in the context of their business processes through reports directly embedded into their business or Web applications