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 ...

If you are a DBA, or a database performance analyst, chances are that you deal with performance-related issues regarding your database systems every day of the week. But have you ever stopped for a ...

A database that maintains a set of separate, related files (tables), but combines data elements from the files for queries and reports when required. The concept was developed in 1970 by Edgar Codd, ...

The definition of a database. It defines the structure and content in each data element within the structure. Schemas are often designed with visual modeling tools that automatically create the SQL ...

As mentioned in ACCESS Procedure Reference, changes to a database definition can affect descriptor files. Before changing a definition, consider the following guidelines. Changes That Have No Effect ...