Introduction to relational database theory and technology from an information science point of view. Data Base (DB) Environment; DBMS architecture; Data modeling: Conceptual model, Entity relationship model (ERM); Relational DBs; Data Base design; Data Base language: Structured Query Language (SQL); Views; Data Dictionary; Normalization process: 1NF, 2NF, 3NF; Introduction to Object-Oriented DBMSs; Centralized and distributed Database systems; Case study.