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Introduction to Algorithms
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Fundamentals of Database Systems
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What is the most common use of a multidimensional databases MDDB?
Multidimensional databases are used mostly for OLAP (online analytical processing) and data warehousing. They can be used to show multiple dimensions of data to users .
What is a multidimensional data source?
What is a multidimensional data source? A multidimensional data source is optimized for analyzing large amounts of data. Such data sources are sometimes called data warehouses, or online analytical processing (OLAP) data sources. In a relational data source, data is organized in tables.
What is another term for information cleansing?
Data cleansing, also referred to as data cleaning or data scrubbing, is the process of fixing incorrect, incomplete, duplicate or otherwise erroneous data in a data set.
What are two different categories for information type?
There are four types of information:.
Factual. Factual information is information that solely deals with facts. ... .
Analytical. Analytical information is the interpretation of factual information. ... .
Subjective. Subjective information is information from only one point of view. ... .
Objective..