Give an example of each of the three types of relationships: unary, binary, and ternary.
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- What is the strength of a relationship? Give an example of each of the degree of association given in this section.With your own words, describe the different between associations and dependency relationships. Give some examples.How strong is a relationship? Give an illustration of each of the relationship degrees shown in this section.
- Draw the associations that are described by the business rules below. Includethe multiplicities for each relationship A patient must be assigned to only one doctor, and a doctor can have one ormany patients.Give an example of how attributes are used in a relationship model, and what the generic term for an attribute is.Discuss the differences between a weak relationship and a strong relationship.
- Draw the relationships and entities model for each of the following: * in the traditional way* for example: see the pic??. In the database of the library, the author can author more than one book, and the book can be subscribed toWritten by more than one authorFor each of the below relationships, provide an explanation of what it is and a relevant example.One-to-many relationship. Many-to-many relationship. One-to-one relationship.The ______________ model is a simple but highly useful way to organize data into collections of two-dimensional tables called relations.
