Question

Question 1

Using lists to break information into manageable pieces conforms to the SOS guideline of:

organize

shortcuts

organize

simplicity

show

Question 2

Two different names that refer to the same data item best defines:

synonym

homonym

synonym

transitive dependency

alias

Question 3

The set of all data types and ranges of values that an attribute can assume defines:

domain

cardinality

constraint set

domain

reference set

Question 4

Which of the following is not a true statement regarding data flows?

A data flow can go directly back to the same process it leaves.

A fork in a data flow means that exactly the same data goes from a common location to two or more different processes, data stores, or sources/sinks.

A data flow can go directly back to the same process it leaves.

A data flow has a noun phrase label.

A data flow has only one direction of flow between symbols.

Question 5

A named property or characteristic of an entity that is of interest to the organization defines:

attribute

relationship

instance

gerund

Question 6

Which of the following is not a true statement regarding a relation?

Each row in a relation corresponds to an attribute of that relation.

Each relation consists of a set of named columns and an arbitrary number of unnamed rows.

Each column in a relation corresponds to an attribute of that relation.

An entry at the intersection of each row and column has a single value.

Each row in a relation corresponds to an attribute of that relation.