Duplicate data often results in loss of data integrity because:
Duplicate data often results in loss of data integrity because:
Metadata enables database designers and users to do all of the following except:
Metadata enables database designers and users to do all of the following except:
Legacy data is which of the following?
Legacy data is which of the following?
A data warehouse uses:
A data warehouse uses:
An enterprise database is which of the following?
An enterprise database is which of the following?
A database management system (DBMS) is a:
A database management system (DBMS) is a:
Data quality problems currently cost U.S. businesses some $60 million each year (Hudica, 2003).
Data quality problems currently cost U.S. businesses some $60 million each year (Hudica, 2003).
Stored representations of objects and events that have meaning and importance in the user's environment are known as a database.
Stored representations of objects and events that have meaning and importance in the user's environment are known as a database.
Stand-alone databases exhibit many of the same advantages common to file processing systems.
Stand-alone databases exhibit many of the same advantages common to file processing systems.
The most common source of database failures in an organization is the failure to implement a strong database administration function.
The most common source of database failures in an organization is the failure to implement a strong database administration function.
A database application can perform which of the following activities?
A database application can perform which of the following activities?
An extranet is which of the following?
An extranet is which of the following?
The primary mechanism for providing context for data is metadata.
The primary mechanism for providing context for data is metadata.
An enterprise data model is:
An enterprise data model is:
The source of the data is sometimes called the system of record.
The source of the data is sometimes called the system of record.
Which of the following types of databases are the most common?
Which of the following types of databases are the most common?
Databases that contain historical and summarized information are usually called data warehouses.
Databases that contain historical and summarized information are usually called data warehouses.
Data descriptions are stored in a central location called the depository.
Data descriptions are stored in a central location called the depository.
The database approach requires additional costs and risks.
The database approach requires additional costs and risks.
Database management systems were first introduced in the 1950s.
Database management systems were first introduced in the 1950s.
An advantage of the database approach is the creation of maximum data redundancy.
An advantage of the database approach is the creation of maximum data redundancy.
Which of the following is true for a relational database?
Which of the following is true for a relational database?
A workgroup typically comprises between 25 and 100 persons.
A workgroup typically comprises between 25 and 100 persons.
An enterprise data model is a relational model that shows the high-level entities for the organization and associations among those entities.
An enterprise data model is a relational model that shows the high-level entities for the organization and associations among those entities.
A shared database should:
A shared database should:
Some advantages of the database approach include all, but:
Some advantages of the database approach include all, but:
Structured data may include which of the following?
Structured data may include which of the following?
All enterprise resource planning (ERP) systems are heavily dependent on databases to store the data required by the ERP applications.
All enterprise resource planning (ERP) systems are heavily dependent on databases to store the data required by the ERP applications.
Another name for multimedia data is unstructured data.
Another name for multimedia data is unstructured data.
Data administrators are responsible for:
Data administrators are responsible for:
