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ITE 115 Quiz 2

LexisNexis
This commercial database offers news and information on legal, public records, and business issues.
Redundancy
Having several instances of the same data is called data.
Hierarchical
In this database model, the fields or records are structured in nodes.
Commercial
These types of databases are also called information utilities or data banks.
Integrity
If Mr. Smith’s bike has been sent to his new address, but the bill to his old one, it can most likely be attributed to a lack of data.
Which of the following is not an advantage of using a database?
Reliability
Which view of data deals with how the data is actually formatted and located?
Physical view
Individual
In this type of database, the data and the DBMS are stored either on the user’s hard-disk drive or on a LAN file server.
Primary key
A field that uniquely identifies each record.
Which of the following is an advantage of using multidimensional databases?
Conceptualization
Commercial databases
Access to these databases is offered to the public or selected outside individuals, for a fee.
Attribute
In the object-oriented database model, this term is the equivalent to a field in a relational model.
Attribute
A data field that represents a description or characteristic of some entity.
Object-oriented
These databases store not only data but also instructions to manipulate the data.
Data definition
This subsystem defines the logical structure of the database by using a data dictionary or schema.

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