The requirements for a logical and physical database vary by size and design parameters. A logical database must be able to access and identify all files within the storage system to operate ...

Physical: Design a model for implementing the logical model that considers the RDBMS to be used. During this phase, you’ll describe tables, indexes, and so on. The physical model is built on tables.

“It allows you to represent the original logical design and the physical implementation of that design and do the mapping between the two inside one data model,” said Santos.

Under usual circumstances, the one-to-many or many-to-many relationship, alone, drives the pattern used within the database model. Certainly, the logical database model should represent the proper ...

An introduction to databases and Database Management Systems (DBMS). Topics include basic concepts of database technology, an introduction to SQL, techniques for logical and physical database design, ...