Write seven sentences explaining the right-to-left relationships in Figure 2.8.
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Question
Write seven sentences explaining the right-to-left relationships in Figure 2.8.
To deseribe how a person relates to a receipt, for example, it becomes convenient to indicate the receipt in a different way, as shown in Figure 2.9 as an associative entity. An associative entity can only exist if it is connected to at least two other entities. For that reason, some call it a gerund, a junction, an intersection, or a concatenated entity. This wording makes sense because a receipt wouldn't be necessary unless there were a customer and a sales* person making the transaction. Examples of different types of relationships in E-R diagrams. Another type of entity is the attributive. When an analyst wants to show data that are completely dependent on the existence of a fundamental entity, an attributive entity should be used.Explanation / Answer
The relationship between the table defines the association between the tables.there different symbols to represent various relationships between the tables.
Cardinality and Ordinality are represented by styling the lines and its end points as denoted by different symbols each and every symbols has its unique meaning which tells the cardinality and ordinality.
Cardinality refer to the maximum number of times an instance in one entity can be associated with instances in the related entity.
Ordinality refer to the minimum number of times an instance in one entity can be associated with instances in the related entity.
Explantion for Right to Left Relationships is given below:
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