ocr: Client HTML Web: Server Analytic Layer HTML: Unstructured File Management Content Structured Drilling Security SQL Content Triggers, Agents, and Alerts Figure 1. Data warehouses employ relational database management systems that use SOLto retrieve rows and columns of numeric data, while unstructured content is managed as HTML documents. Accessing a data warehouse from an Intranet requires an enhanced Web server capable of processing and analyzing SOL queries, managing reports and other files, respecting security, and filtering important ntormation for users.
