This easy-to-read book provides quick lessons on relational database terminology and normalization with very little effort. Updated for Oracle 9i, its thorough coverage of Oracle's SQL and PL/SQL and introduction to advanced SQL topics makes this a must for busy professionals. The many examples, with output shown as screenshots, provide ample opportunity for the reader to easily understand and learn to use Oracle and SQL. KEY TOPICS: First introducing relational database concepts, the book covers SQL (Structured Query Language); Programming Language (the extension to SQL); and then proceeds to advanced topics, which include Oracle architecture and database administration with enterprise tools. MARKET: For any IT professional who needs to understand SQL or Oracle database systems.