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 correctly ...

In the development business, there’s no excuse for a bad design. Unfortunately, you probably know developers who skip through or completely ignore the design process because they don’t understand the ...

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 ...

One of the principles within relational theory is that each entity’s row or tuple be uniquely identifiable. This means the defined structure includes some combination of attributes whose populated ...

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Most projects benefit from having a data model. This article gives an overview of the most common types. At its heart, data modeling is about understanding how data flows through a system. Just as a ...