Match the following terms and definitions.
a. field
b. record
c. primary key
d. relational database
e. operational database
f. business intelligence
g. OLAP cubes

1. A unique identifier for each record.
2. An online application that permits users to view data in a multidimensional way.
3. A collection of related database fields.
4. Data analytics and predictive modeling used to gain insights from data to improve the quality of business decisions.
5. A piece of information.
6. A database that stores transactions related to business operations.
7. A collection of related database tables.