Within the database environment, a data model represents data structures and their attributes, relations, constraints, and transformations with the purpose of supporting a specific problem domain. Define "problem domain" in the context of data models. O a. a blueprint containing all necessary instructions for building a database that will meet all end-user requirements O b. a clearly defined area within a real-world environment that will be systematically addressed a relatively simple and usually graphical representation of complex real-world objects or events O d. the process of creating a specific data model for a particular set of real-world data to be addressed

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