This document provides an overview of Oracle Warehouse Builder (OWB) basics including its applicability, architecture, client/server model, and product installation process. It discusses how OWB can be used to integrate distributed and heterogeneous data from various applications and databases into a data warehouse to improve decision making. The document also briefly covers OWB's embedded ETL engine architecture, its client and server components, and the simple installation steps which include selecting an installation directory and Oracle home. It emphasizes installing the client and server components into separate Oracle homes.