A logical database can stretch over multiple physical hard disks and information files. The data storage unit is still a single database for information retrieval purposes.

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 ...

Businesses are strongly advised to re-evaluate their approach to access control Dubai: Today’s employees are increasingly distributed and mobile, requiring many businesses to take a new look at ...

Reasons not to merge physical systems (video surveillance, door-access controls, fire alarms, HVAC and lighting controls and so on) onto an IP-based computer network shared by business: 1. Video ...

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 ...

This, or these, attribute(s) are the candidate key(s) for the structure. The candidate key is also known as the primary key, or if a structure has multiple candidate keys, then one of them is ...

Reasons to merge physical and logical security: 1. An increasing amount of physical-security systems are IP-enabled, offering a way to merge with existing networks, or at least establish a ...