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Question
The objective of ____________________ control is to ensure the serializability of transactions in a multiuser database environment.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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Discuss some considerations when designing a database.
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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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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