Answer:
Object-Oriented DBMS.
Explanation:
Like classes in Object oriented programming Object-Oriented DBMS is can store objects.It follows an Object oriented data model with the properties of classes and the properties of Object oriented programming also.Objects can be in the form of complex data types or different data types.
Answer:
Pretty sure it's concentration camps
Answer:J key
Explanation:I want my brainlyiest pls
Answer:
During the middle of
Explanation:
Perfective maintenance usually is cost effective during the middle of the system.
