Exam 10: Data Quality and Integration
Exam 1: The Database Environment and Development Process173 Questions
Exam 2: Modeling Data in the Organization121 Questions
Exam 3: The Enhanced E-R Model and Business Rules74 Questions
Exam 4: Logical Database Design and the Relational Model120 Questions
Exam 5: Physical Database Design and Performance105 Questions
Exam 6: Introduction to SQL119 Questions
Exam 7: Advanced SQL111 Questions
Exam 8: Database Application Development100 Questions
Exam 9: Data Warehousing117 Questions
Exam 10: Data Quality and Integration102 Questions
Exam 11: Data and Database Administration116 Questions
Exam 12: Distributed Databases109 Questions
Exam 13: Object-Oriented Data Modeling91 Questions
Exam 14: Using Relational Databases to Provide Object Persistence113 Questions
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After the extract,transform,and load is done on data,the data warehouse is never fully normalized.
(True/False)
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Improving ________ is a fundamental step in data quality improvement.
(Short Answer)
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One characteristic of quality data which pertains to the expectation for the time between when data are expected and when they are available for use is:
(Multiple Choice)
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User interaction integration is achieved by creating fewer ________ that feed different systems.
(Short Answer)
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A data steward is a person assigned the responsibility of ensuring the organizational applications properly support the organization's enterprise goals for data quality.
(True/False)
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Completeness means that all data that must have a ________ does have a ________.
(Short Answer)
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In the ________ approach,one consolidated record is maintained from which all applications draw data.
(Short Answer)
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Data quality is important for all of the following reasons EXCEPT:
(Multiple Choice)
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A data quality audit helps an organization understand the extent and nature of data quality problems.
(True/False)
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The uncontrolled proliferation of spreadsheets,databases and repositories leads to data quality problems.
(True/False)
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Which type of index is commonly used in data warehousing environments?
(Multiple Choice)
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A method of capturing only the changes that have occurred in the source data since the last capture is called ________ extract.
(Multiple Choice)
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Master data management is the disciplines,technologies and methods to ensure the currency,meaning and quality of data within one subject area.
(True/False)
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A method of capturing data in a snapshot at a point in time is called ________ extract.
(Short Answer)
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