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