Download PDF DATABASE CONCEPTS & EXPL ACCESS03 COMP PKG. A database is an organized collection of data, generally stored and accessed electronically from a computer system. Both concepts later became known as navigational databases due to the way data was accessed, and Bachman's 1973 Database Concepts & Expl Access03 Comp Pkg | David M. Kroenke | ISBN: 9780131631564 | Kostenloser Versand f