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Explain Derived and Non-Derived Attribute?
In few cases, two or more attribute values are related, for instance, Age and BirthDate attributes of a person. For specific person entity, the value of Age can be determined from the current date and the value of that person's BirthDate. Therefore, the attribute Age is known as derived attribute and the attribute BirthDate is known as non-derived or stored attribute.
Hi is anyone well versed in accounting information systems available now to help me work through an important assignment due tomorrow at noon?
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Meaningful use refers to the use of certified EHR technology to "enhance quality, efficiency, and reduce health disparities
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what do you mean by primary key constraint?
Databases and data warehouses both are databases and both contains number of rows and columns of tables containing data. Data warehouse is really different from databases because d
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