Analyzes design of data systems, including data stored in file systems, database management systems and physical data organizations. Studies calculus of data models, query languages, concurrency and ...

In writing a definition for an entity, an attribute, or any other element within a database design, the desired end is a descriptive ... of such detail in the definition increases overall system ...

all data in the database is “correct.” Isolation means that transactions can run at the same time. Any transactions running in parallel have the illusion that there is no concurrency. In other words, ...

A person responsible for the design and management ... selection and implementation of the database management system (DBMS) software. The position is also called a "data architect," "data officer ...