EBK CONCEPTS OF DATABASE MANAGEMENT
8th Edition
ISBN: 8220100706004
Author: Last
Publisher: Cengage Learning US
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Chapter 1, Problem 23RQ
To determine
To describe that a person entity in a different
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An attribute is a characteristic or resource that is specific to an entity. Is it possible to utilize the same features to identify a person who maintains medical, student, and fitness club data in a variety of databases if the human is considered an object? What is the reason for this or why is it not?
An attribute is a property or resource that is unique to a certain entity. Is it possible to use the same attributes to identify a person who maintains medical, student, and fitness club data in multiple databases if the human is regarded as an object? What is the explanation behind this, or why isn't it the case?
Explain the Entity-Relationship model and its use in a database.
Chapter 1 Solutions
EBK CONCEPTS OF DATABASE MANAGEMENT
Ch. 1 - Prob. 1RQCh. 1 - Prob. 2RQCh. 1 - Prob. 3RQCh. 1 - Prob. 4RQCh. 1 - Prob. 5RQCh. 1 - Prob. 6RQCh. 1 - Prob. 7RQCh. 1 - Prob. 8RQCh. 1 - Prob. 9RQCh. 1 - Prob. 10RQ
Ch. 1 - Prob. 11RQCh. 1 - Prob. 12RQCh. 1 - Prob. 13RQCh. 1 - Prob. 14RQCh. 1 - Prob. 15RQCh. 1 - Prob. 16RQCh. 1 - Prob. 17RQCh. 1 - Prob. 18RQCh. 1 - Prob. 19RQCh. 1 - Prob. 20RQCh. 1 - Prob. 21RQCh. 1 - Prob. 22RQCh. 1 - Prob. 23RQCh. 1 - Prob. 1TDECh. 1 - Prob. 2TDECh. 1 - Prob. 3TDECh. 1 - Prob. 4TDECh. 1 - Prob. 5TDECh. 1 - Prob. 6TDECh. 1 - Prob. 7TDECh. 1 - Prob. 8TDECh. 1 - Prob. 9TDECh. 1 - Prob. 10TDECh. 1 - Prob. 11TDECh. 1 - Prob. 12TDECh. 1 - Prob. 1CATCCh. 1 - Prob. 2CATCCh. 1 - Prob. 3CATCCh. 1 - Prob. 4CATCCh. 1 - Prob. 5CATCCh. 1 - Prob. 6CATCCh. 1 - Prob. 7CATCCh. 1 - Prob. 8CATCCh. 1 - Prob. 9CATCCh. 1 - Prob. 10CATCCh. 1 - Prob. 11CATCCh. 1 - Prob. 12CATCCh. 1 - Prob. 13CATCCh. 1 - Prob. 14CATCCh. 1 - Prob. 15CATCCh. 1 - Prob. 16CATCCh. 1 - Prob. 17CATCCh. 1 - Prob. 1SCGCCh. 1 - Prob. 2SCGCCh. 1 - Prob. 3SCGCCh. 1 - Prob. 4SCGCCh. 1 - Prob. 5SCGCCh. 1 - Prob. 6SCGCCh. 1 - Prob. 7SCGCCh. 1 - Prob. 8SCGCCh. 1 - Prob. 9SCGCCh. 1 - Prob. 10SCGCCh. 1 - Prob. 11SCGCCh. 1 - Prob. 12SCGC
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- In the hierarchy of data, what is the difference between a data attribute and a data item? What is the domain of an attribute?arrow_forwardAn attribute is a characteristic or property of an entity. If person is an entity, would the same attributes be used to describe a person in different databases that store medical, student, and fitness club data? Why or why not?arrow_forwardA attribute is an entity feature or resource. If the individual is an object, can the same characteristics be used to identify a person who stores medical, student and exercise club data in various databases? Why or why not?arrow_forward
- An attribute is a characteristic or a resource of an entity. To identify a person who maintains medical, student, and fitness club data in different database may the same qualities be applied to an object? Is there a good reason or a bad reason?arrow_forwardWhat are AttriButeS On relAtiOnShiPS?arrow_forwardIn a database, explain the representations of Identifying Relationships, Non-Identifying Relationships, and Non-Specific Relationships.arrow_forward
- Names and definitions for entities, relationships, and attributes should all be proper.arrow_forwardDesign the database, following an ER model. 1. Patients: Patients are tracked by a unique patient ID. Personal information includes first name, last name, phone number, Date of Birth, and sex. The combination of the Patient's first and last name must be unique. Patient's sex is a mandatory field. Patient can be registered at any clinic. 2. Cancer: Type of cancer is tracked by a unique ID. Cancer is categorized as either Oral, Lung, Breast, Liver, Blood, Bone, Pancreatic, Cervical, or Prostrate. Stage of cancer can be Stage I, Stage II, or Stage III Stage of cancer detection. Treatment given: Chemotherapy only, Surgery with chemotherapy, Surgery only or Radiation therapy. Patient_id is an FK which references the ID of the Patient. Clinic_id is an FK which references the ID of the Clinic that patient register. Patient information must be stored at one clinic. Patient Date of detection of Cancer. 3. Clinic: Clinics are…arrow_forwardIs it important for individuals who build databases to be familiar with any particular method that, depending on the circumstances, may have a major effect on the effectiveness of the database?arrow_forward
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