Which approach effectively establishes an enterprise's information requirements?

The development of Decision Support Systems (DSSs) and Executive Support Systems (ESSs) effectively establishes an enterprise's information requirements because these systems are specifically designed to analyze data and support the decision-making processes at various levels of an organization. DSSs provide managers and executives with the tools needed to analyze information and generate insights, facilitating informed decisions based on the enterprise's goals and operational needs. Similarly, ESSs focus on providing senior executives with the information needed to make strategic decisions, ensuring that the information aligns with the overall objectives and priorities of the organization.

By leveraging these sophisticated systems, organizations can identify and fulfill their information requirements in a structured manner, ensuring that decision-making is backed by relevant and timely data. This approach encourages an integrated perspective on how data should be collected, processed, and presented to meet both operational and strategic needs, ultimately aligning IT infrastructure with business goals.

The other approaches, while relevant, focus on narrower aspects of data and its implications within an organization. For example, differentiating between individual and organizational objectives and understanding how organizational units define critical data are important for understanding the context of information needs but do not comprehensively shape the entire enterprise's information system. Identifying key entities and attributes pertains to data modeling rather than a holistic