Exam 5: It Architectures

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From a logical point of view,a _______________ is the smallest data element that can be observed and manipulated.

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The duplication process basically identifies one database as a _______________ and then duplicates that database at a prescribed time so that each distributed location has the same data.

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Astronomers use computers to calculate the size,speed,and trajectory of objects in space to determine if they pose a threat to the earth.

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A _______________ is an integrated collection of logically related data elements.

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A _______________ is an overall logical view of the relationships among the data elements in a database.

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The data dictionary,or repository,contains _______________,which is _______________.

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The object-oriented database model supports _______________.That is,new objects can be automatically created by replicating some or all of the characteristics of one or more parent objects.

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Database _______________ involves using transaction processing systems and other tools to add,delete,update,and correct the data in a database.

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The database maintenance process is accomplished via:

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Google recently made its desktop and paid-search products available to external developers.

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According to one database pioneer,the future development of databases and data warehouses will depend on _______________.

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The major limitation of the relational model is _______________.

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Operational databases store the detailed data needed to support the business processes and operations of a company.They are also called _______________.

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Using a relational database,a user can temporarily combine two or more tables so that he/she can see relevant data in a form that looks like it is in one big table.This is the _______________ operation.

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In the relational database model,all data elements within the database are viewed as being stored in the form of simple,two-dimensional tables,sometimes referred to as _______________.

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In mainframe and server computer systems,the database management system controls the _______________ of the databases of computer-using organizations.

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The data stored in a database are _______________ the application programs using them.

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The _______________ stage of database development translates the conceptual models into the data model of a DBMS.

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A major benefit of multidimensional databases is that they are a compact and easy-to-understand way to visualize and manipulate data elements that have many interrelationships.

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Which of the following is a legitimate use for data mining?

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