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Which view of data deals with how the data is actually formatted and located? |
Physical View |
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A data field that represents a description or characteristic of some entity. |
Attribute |
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A collection of related fields such as a person’s name, address, and age. |
Record |
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A field that uniquely identifies each record. |
Primary Key |
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In ________, data from transactions are collected over time and then processed all at once. |
Batch Processing |
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In ________, data is processed at the same time the transaction occurs. |
Real-time Processing |
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Having several instances of the same data is called data ________. |
Redundancy |
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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 ________. |
Integrity |
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Which of the following is not an advantage of using a database? |
Reliability |
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Analysis tools that support viewing all or selected parts of data, querying the database and generating reports include query-by-example as well as a specialized programming language called ________. |
SQL |
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This subsystem defines the logical structure of the database by using a data dictionary or schema. |
Data Definition |
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In this subsystem, a user can create data entry forms. |
Application generation |
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In this database model, the fields or records are structured in nodes. |
Hierarchal |
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A network database utilizes these special connections between parent nodes and child nodes that allow multiple paths between records. |
Pointers |
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This type of database is organized into many tables with common data items (key fields) linking the tables to one another. |
Relational |
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Which of the following is an advantage of using multidimensional databases? |
Conceptualization |
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These databases store not only data but also instructions to manipulate the data. |
Object-oriented |
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In the object-oriented database model, this term is equivalent to a field in a relational model. |
Attribute |
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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. |
Individual |
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These types of databases are also called information utilities or data banks. |
Commercial |
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The combined information presented on this type of database can be used to change the whole merchandising strategy of a store. |
Company |
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If all the data in a database is not physically located in one place, it would be a(n) ________ database. |
Distributed |
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This commercial database offers news and information on legal, public records, and business issues. |
LexisNexis |
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Information collected by an organization from a variety of external and internal databases is stored in this special type of database. |
Data Warehouse |
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Access to these databases is offered to the public or selected outside individuals, for a fee. |
Commercial Databases |
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