The book is a practical guide to creating information systems using CASE - tools from PLATINUM technology - BPwin and ERwin. It contains a description of methods for structural analysis and design of data models to the extent necessary for practical work. The use of CASE technologies and CASE tools for automating the stages of analysis, design and code generation of information systems is considered in detail using specific examples. The book is intended both for specialists in the field of information technology (system analysts, designers and database administrators), and for students studying the basics of system analysis and design of information systems.