revising the file structure

reorganizing the database

modifying or adding record occurrences

All of these

¬ P1 ∨ P2

P1 ∨ P2

P1 ∧ P2

P1 ∧ ¬P2

Is the entire database.

describe data in terms of relational tables and columns, object-oriented classes, and XML tags.

Describes how data is actually stored on disk.

Both (A) and (C)

Data file

Data record.

Menu.

Bank.

Users.

Separate files

Database.

Database administrator