Question 1 of 25
Hints left: 3
Q1
Relationships cannot have attributes.
Q2
Business rules and policies are universal.
Q3
A time stamp is a time value that is associated with a data value.
Q4
A rectangle represents which of the following in an ERD?
Q5
Output reports should be included as part of an ERD.
Q6
A ternary relationship involves how many entities?
Q7
A good business rule is which of the following?
Q8
A relationship is an association representing the interaction between attributes.
Q9
An attribute name should be which of the following?
Q10
A composite attribute is which of the following?
Q11
A logical representation of the data for an organization or for a business area is known as an entity-relationship model.
Q12
Multiple and binary relationships are the same thing.
Q13
A fact is a word or phrase that has a specific meaning for the business.
Q14
A binary relationship is a relationship between two or more entities.
Q15
A derived attribute is an attribute whose values can be calculated from a related relationship.
Q16
Some business rules cannot be represented in common data modeling notation.
Q17
When the minimum number of instances of an entity is one, you know which of the following?
Q18
An oval represents which of the following in an ERD?
Q19
Cardinality specifies the number of instances of one entity that can be associated with each instance of another entity.
Q20
A strong entity is an entity whose existence depends on some other entity type.
Q21
An attribute is a person, place, object, event in a user environment.
Q22
An entity name should be which of the following?
Q23
When the minimum and maximum number of instances of an entity is one, you know which of the following?
Q24
A binary relationship cannot be which of the following?
Q25
No two attributes of the same entity type should have the same name.