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 ...

Physical access and logical access have historically been two separate (and likely unequal) silos within an organization. IT has their password access mechanisms; with some modern improvements.

Teradata Corp. has introduced the Utilities Logical Data Model (uLDM). As a utility's business needs evolve, the Teradata uLDM helps customer adapt their data warehouse physical model to ensure the ...