Programmers and software architects do not really make a conscious decision to design an application (particularly one with online exposure) around-controller design-tier model-view pattern of three more. Database Design for Mere man prepares someone with only passing familiarity with databases for important task of building the persistence layer (also called the data model) for software. Michael Hernandez explains database design in terms of Wall's merchants. - David Topics covered: How to design databases that fit business requirements and make software construction easier. In addition to explaining relational database concepts, the author explains the integrity of data, null values, keys, table relationships (one-to-one, one-to-many and many-to-many), and data types. He stressed the designer must follow in building a new database or improve existing ones.