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Question
The ____________________ catalog can be described as a detailed system data dictionary that describes all objects within the database, including data about table names, the table's creator and creation date, the number of columns in each table, the data type corresponding to each column, index filenames, index creators, authorized users, and access privileges.Answer
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The database structure in a DBMS is stored as a ____.a. file b. collection of files c. set of key/value pairsd. collection of queries
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Structural dependence exists when it is possible to make changes in the file structure without affecting the application program's ability to access the data.
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Metadata present a more complete picture of the data in the database than the data itself.
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In most implementations, the data warehouse and OLAP are stand-alone, independent environments.
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Data warehouse data are organized and summarized by table, such as CUSTOMER and ADDRESS.
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Decision support data are a snapshot of the operational data at a given point in time.
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A data store is used by the data analyst to create the queries that access the database.
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The BI architecture is composed of data, people, processes, technology, and the management of such components.
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What is a data cube?
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