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