Introduction to Database

សៀវភៅនេះនិយាយអំពីអ្វី?

Introduction to Database is a textbook for those preparing to teach ICT subjects in secondary schools, credited in the catalogue to the Information Technology Department, with faculty advisors from Korea National University of Education. Moving from the concrete to the abstract, it opens with data, information and file systems, the history and structure of database management systems, and client/server and web architecture. Later chapters cover the relational model (relations, keys, relational algebra and the tuple relational calculus), the entity-relationship model, SQL data definition and data modification, and connecting a database to web pages with Apache, PHP and MySQL. The final chapters turn to data preprocessing and visualization on the Orange 3 platform, including Venn diagrams and linear projection. Each chapter ends with a summary, questions and exercises. The book runs to 235 pages and can be read online and downloaded free of charge.