Training. allowance. — Tambov: TSTU, 2005. — 96 s. Contains information about the theoretical foundations of database development, their classification, approaches to the organization of CAD information support and the basics of database design. Intended for students enrolled in specialty 230104. Theoretical basis of database development. Basic Concepts . Organization of information support of CAD. Data banks: General requirements and traditional architecture. Properties and classification of database systems. Functions and structure of DBMS. Data models. Hierarchical and Network Data Models . Advantages and Disadvantages . Relational Data Model. Relational Algebra. Basics of relational algebra. Special Relational Operations. Basics of Database Design. Practical elements of working with databases . Structured query language sql. Application of operating system tools to access databases.