In writing a definition for an entity, an attribute, or any other element within a database design, the desired end is a descriptive text that is clear, factual and concise. Semantics are an ambiguous ...

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 ...

Database programs let users create and edit single files interactively at the keyboard. However, as soon as they want data in one file to automatically update another, programming has to be done. That ...

The fundamental data structure in a data processing system. Any unit of data defined for processing is a data element; for example, ACCOUNT NUMBER, NAME, ADDRESS and CITY. A data element is defined by ...

A customer relationship management (CRM) database is a resource that contains all customer data that all departments within an organization can access. These data include customer information, sales ...

When the data requirements of an organization change, the databases used to store the data must also change. If the data is not reliable and available, the system does not serve the business—rather, ...