A comprehensive introductory book on databases that thoroughly explains the structure and operation of relational databases. - Title: Why? Understanding Databases - Author: Tanetaka Ogasawara - Content: Thoroughly understand the structure and operation of relational databases. - Table of Contents: Part 1: Database Basics / Part 2: Database Applications - Price: 1980 yen + tax Thank you for viewing. Purchased and read about 6-7 years ago, and stored at home since then. There are no major stains, folds, or writing. Thank you very much!