A logical schema
A.Is the entire database.
B.describe data in terms of relational tables and columns, object-oriented classes, and XML tags.
C.Describes how data is actually stored on disk.
D.Both (A) and (C)
Answer:A
A logical schema
A.Is the entire database. B.describe data in terms of relational tables and columns, object-oriented classes, and XML tags. C.Describes how data is actually stored on disk. D.Both (A) and (C)