Answer:
Flat file databases are databases that are contained in one single table, or in the form ... -Data Redundancy, By having a relational database it ensures that no attributes ... There are only three different 'degrees' of relationship between two entities. ... Consider, for example, the link between customers, orders and products.).
Explanation:
Answer:
child class
parent class
Explanation:
"Inheritance is the process by which a new class - known as a __child class__ - is created from another class, called the __parent class__. "
Just in case one database gets hacked or crashes they have another to run on
Answer:
Is the counting how much words you have written in the ms word