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How Many Tables Are Needed to Implement an REA Data

question 31

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How many tables are needed to implement an REA data model that has four distinct entities,three M:N relationships and one 1:N relationships in a relational database?


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The ratio of advertising expenditure to sales revenue, used as a measure of the effectiveness and intensity of advertising efforts.

Consumer Demand

The desire and ability of consumers to purchase goods and services at various prices.

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A proprietary online legal research service and software that provides legal professionals with access to an extensive database of legal resources.

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The list of web pages returned by a search engine in response to a query by the user.

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