Database redesign is rarely needed because databases are usually built correctly the first time.
In a real sense, information systems and organizations do not just influence each other,
Define entity and give an example.
An entity is something of importance to the user. Something the user wants to track.
Explain the difference between an entity class and an ent
The purpose of a database is to help people keep track of things.
In a database, each table stores data about a different type of thing.
In a database, each row in a spreadsheet has d