For each of the THREE relationships in the Entity-Relationship Dia- gram in Figure 1, explain and justify the cardinality and participation constraints following the guidelines in lectures and exercises.

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A: Relational Database schema is given below :

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Q: can be converted to a strong entity set by simply adding the appropriate attributes. Why,

A: For the following reasons, a weak entity set is required:

Fundamentals of Managing Data

Data management is creating, organizing, storing and managing the data collected and created by any organization.Effective data management is a crucial part of today's world. Data management provides analytical information on the vast amount of data collected from business applications daily, which helps make critical business decisions and plan and bring out the best strategies.