Question 1 of 25
Hints left: 3
Q1
An enterprise data model is a relational model that shows the high-level entities for the organization and associations among those entities.
Q2
An advantage of the database approach is the creation of maximum data redundancy.
Q3
A good identifier is which of the following?
Q4
Structured data may include which of the following?
Q5
Stand-alone databases exhibit many of the same advantages common to file processing systems.
Q6
All enterprise resource planning (ERP) systems are heavily dependent on databases to store the data required by the ERP applications.
Q7
An extranet is which of the following?
Q8
If there are two entities with a relationship between them, and one of the entities is completely dependent on the other, then which of the following must exist?
Q9
A binary relationship is which of the following?
Q10
Database management systems were first introduced in the 1950s.
Q11
Another name for multimedia data is unstructured data.
Q12
Data descriptions are stored in a central location called the depository.
Q13
The primary mechanism for providing context for data is metadata.
Q14
A relationship is which of the following?
Q15
Stored representations of objects and events that have meaning and importance in the user's environment are known as a database.
Q16
An enterprise database is which of the following?
Q17
Databases that contain historical and summarized information are usually called data warehouses.
Q18
Which of the following is true for a relational database?
Q19
The source of the data is sometimes called the system of record.
Q20
The database approach requires additional costs and risks.
Q21
Some advantages of the database approach include all, but:
Q22
Data quality problems currently cost U.S. businesses some $60 million each year (Hudica, 2003).
Q23
The most common source of database failures in an organization is the failure to implement a strong database administration function.
Q24
A workgroup typically comprises between 25 and 100 persons.
Q25
Which of the following conditions should exist if you want to convert a relationship to an associative entity?