This is a text description of thickcli.gif. A thick-client configuration has three tiers: Java Client Tier. Applications run in this tier and use the JRE (Java Runtime Environment), a browser, and the Presentation Beans. Application Server Tier. The BI Beans and the client-side OLAP API run in this tier. Data Server Tier. The Oracle RDBMS runs in this tier. It contains the server-side OLAP API, a metadata provider, the metadata, N-pass OLAP functions, and Oracle OLAP. Oracle OLAP contains a calculation engine and one or more analytic workspaces.