Users Also Read
MCQ's Search Engine
Electrical Engineering
Mechanical Engineering
Civil Engineering
Automobile Engineering
Chemical Engineering
Computer Engineering
Electronics Engineering
Medical Science Engg
In contemporary databases the top level of the hierarchy consists of ______, each of which can contain _____. | |
A. | Environment, schemas [Wrong Answer] |
B. | Schemas, Environment [Wrong Answer] |
C. | Schemas, catalogs [Wrong Answer] |
D. | Catalogs, schemas [Correct Answer] |