database-modeling-data-in-the-organization Related Question Answers
1. A rectangle represents which of the following in an ERD?
2. An entity name should be which of the following?
3. An oval represents which of the following in an ERD?
4. When the minimum and maximum number of instances of an entity is one, you know which of the following?
5. An attribute name should be which of the following?
6. A composite attribute is which of the following?
7. A binary relationship cannot be which of the following?
9. When the minimum number of instances of an entity is one, you know which of the following?
13. Cardinality specifies the number of instances of one entity that can be associated with each instance of another entity.
16. A relationship is an association representing the interaction between attributes.
20. A logical representation of the data for an organization or for a business area is known as an entity-relationship model.
21. A derived attribute is an attribute whose values can be calculated from a related relationship.
23. A strong entity is an entity whose existence depends on some other entity type.
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