This course provides the basis for a solid education in the fundamentals of database technology, and in particular to pave the way for an understanding of the directions in which the fields is currently developing and is likely to develop in the future. It is divided into six major parts：(1) basic concepts (2) relational systems (3) the relational model (4) the database environment (5) database logical design (6) database physical design (7) SQL (8) directions.