The answer is a
relational database.
A data model in database management system consists of rules
that define how the DB organizes data. Today, a relational database is widely
used. It is a collection of data items organized as a set of formally described
tables from which data can be accessed in many different ways.
The number and letter are switched. This question needs more context to get a accurate answer.
Answer:
Around seven billion people
Answer:
A. Do not use computer access or the Internet for unprofessional or inappropriate purposes.
