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Question
Discuss some considerations when designing a database.Answer
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Related questions
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The term "database development" is used to describe the process of database design and implementation.
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A(n) ____________________ develops when all required changes in the redundant data are not made successfully.
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____________________ exists when the same data are stored unnecessarily at different places.
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A ____ is a logically connected set of one or more fields that describes a person, place, or thing.a. database b. column c. recordd. file
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____ is a set of tools that work together to provide an advanced data analysis environment for retrieving, processing, and modeling data from the data warehouse.a. Online analytical processing b. Semistructured processing c. Enterprise processingd. XML processing
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A desktop database is a ____ database.a. single-user b. multiuser c. workgroupd. distributed
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A workgroup database is a(n)____ database.a. single-user b. multiuser c. enterprised. distributed
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A(n) ____ database is used by an organization and supports many users across many departments.a. desktop b. workgroup c. enterprised. transactional
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The response of the DBMS to a query is the ____.a. ad hoc query b. ad hoc response c. query result setd. integrated view of the data
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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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The same data might be simultaneously structured and unstructured depending on the intended processing.
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Metadata present a more complete picture of the data in the database than the data itself.
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We are now said to be entering the "knowledge age."
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In 2008, Wal-Mart, the world's largest company, had over four ____ of data in its data warehouses.a. megabytes b. gigabytes c. terabytesd. petabytes
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____ are in charge of presenting the data to the end user in a variety of ways.a. Data stores b. ETL tools c. Data visualization toolsd. Data analysis tools
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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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MDM's main goal is to provide a partial and segmented definition of all data within an organization.
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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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The most distinct characteristic of modern OLAP tools is their capacity for ____________________ analysis.
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To support a(n) ____________________ adequately, the DBMS might be required to use advanced hardware, such as multiple disk arrays, and even more importantly, to support multiple-processor technologies, such as a symmetric multiprocessor (SMP) or a massively parallel processor (MPP).
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Data ____________________ tools provide advanced visual analysis and techniques to enhance understanding of business data.
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____________________ is a term used to describe a comprehensive, cohesive, and integrated set of tools and processes used to capture, collect, integrate, store, and analyze data with the purpose of generating and presenting information used to support business decision making.
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A(n) ____is a dynamic table that not only contains the SQL query command to generate the rows, but also stores the actual rows.a. OLAP b. materialized view c. star schemad. data cube
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Conceptually, MDBMS end users visualize the stored data as a three-dimensional cube known as a ____.a. multi cube b. data matrix c. data cubed. hyper cube
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How can queries be written to perform the fastest when equality and inequality comparisons are needed?