DD_3_1_Practice.docx - Adrian Fazlinovic Corey Jensen Jeffrey Tarrell Leila sheikhattar Samiah Ford Database Design 3-1 Identifying Relationships

DD_3_1_Practice.docx - Adrian Fazlinovic Corey Jensen...

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Adrian FazlinovicCorey JensenJeffrey TarrellLeila sheikhattarSamiah FordDatabase Design 3-1: Identifying Relationships Practice Activities Objectives Interpret and describe relationship optionality Interpret and describe relationship cardinality Relate entities by applying the rules of cardinality and optionality Vocabulary Identify the vocabulary word for each definition below. A property of an end of a relationship between X and Y that describes how many of X is related to Y. A connection or association between objects. A property of an end of a relationship between X and Y that describes whether X must be or may be related to Y. Try It / Solve It 1.Read the given business scenario. Name the relationships between EMPLOYEE and JOB.Include appropriate optionality and cardinality. “We have a lot of employees who handle one or more different jobs. We’d like to keep track of who is working on which job. Although employees can help each other, a job is assigned to one employee and is the ultimate responsibility of that employee. All of our
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  • Spring '17
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