Carolina Martinez

1. 
    A database that stores data in tables.

2. 
    SQL is a language used in programming to manage data held in a
    database.

3. 
    A model that describes structure of a database

4.
	a. one record in table associated with only one record in another table
	b.one record in table associated with one or more records in another
	c. multiple records in table associated with multiple in another

5. 
    Primary key identifies each record in table.