Semantic objects are grouped into……..
a) composites
b) entities
c) classes
d) associations
What does term semantic means?
a) meaning
b) data
c) detailed
d) attribute
Which of the following is not level of data abstraction?
a) physical level
b) critical level
c) logical level
d) view level
Which of the following is not database schema?
a) physical schema
b) critical schema
c) logical schema
d) view schema
What is logical design of database is called?
a) database instance
b) database snapshot
c) database schema
d) all of these
Which of the following is the structure of database?
a) table
b) relation
c) schema
d) none of these