1.

Which of the following are basic building blocks of data models? (Check all that are basic building blocks of data models.)

a.

Transactions

b.

Users

c.

Relationships

d.

Data

e.

Attributes

f.

Entities

2.

Select all completions to this sentence fragment that result in a correct description of metadata. Metadata can be described as ________________.

	a.	user created data.
	b.	another name for data stored in a DBMS.
	c.	descriptions of the characteristics of data.
	d.	warehoused data.
	e.	data about data.