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A data dictionary is a language associated with a database management system that

A data dictionary is a language associated with a database management system that end users and programmers use to manipulate data in the database.

33) In a relational database, complex groupings of data must be streamlined to eliminate awkward many-to-many relationships.

34) A data warehouse may be updated by a legacy system.

35) A data warehouse is typically comprised of several smaller data marts.

36) OLAP is a key tool of BI.

37) OLAP enables users to obtain online answers to ad hoc questions in a fairly rapid amount of time, except when the data are stored in very large databases.

38) Predictive analysis is synonymous with data mining.

39) In a Web-based database, middleware is used to transfer information from the organization's internal database back to the Web server for delivery in the form of a Web page to the user.

40) A Web interface requires changes to the internal database.

Feb 01 2020 View more View Less

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