The hard disk is a hardware device that stores all the data on a computer. The data is stored in the form of files and directories in the hard disk. A hard disk drive has a logical structure that is ...

Occasionally one may hear that a data model is “over-normalized,” but just what does that mean? Normalization is intended to analyze the functional dependencies across a set of data. The goal is to ...

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 ...

PALO ALTO, Calif., Oct. 14, 2025 (GLOBE NEWSWIRE) -- Denodo , a leader in data management, announced that O'Reilly has published The Rise of Logical Data Management : An Essential Data Strategy for ...