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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.
Physical Vs. Logical Data Independence. Let’s drill down to what data independence means at the physical and logical database layers. Physical data independence allows you to change how data is ...
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 ...
Data modeling advantage: The vendor offers a robust modeling tool that delivers visualizations of physical, conceptual and logical data structures. The platform can generate SQL scripts, thus ...