Experiencing MIS
7th Edition
ISBN: 9780134380421
Author: KROENKE
Publisher: PEARSON
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Chapter 5, Problem 4CE
Study Figure 5-17 to understand the entities and their relationships. Justify each of the cardinalities in this model. For the definition of cardinality, see CE5.
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Chapter 5 Solutions
Experiencing MIS
Ch. 5.3 - Prob. 1SWCh. 5.3 - Prob. 2SWCh. 5.3 - Prob. 3SWCh. 5.3 - Prob. 4SWCh. 5.3 - Prob. 5SWCh. 5 - Prob. 1EGDQCh. 5 - Prob. 2EGDQCh. 5 - Prob. 3EGDQCh. 5 - Prob. 4EGDQCh. 5 - Prob. 5EGDQ
Ch. 5 - Prob. 6EGDQCh. 5 - Prob. 7EGDQCh. 5 - Consider the adage Never ask a question for which...Ch. 5 - Prob. 1GDQCh. 5 - Prob. 2GDQCh. 5 - Prob. 3GDQCh. 5 - Prob. 4GDQCh. 5 - Prob. 5GDQCh. 5 - Prob. 6GDQCh. 5 - Prob. 7GDQCh. 5 - Prob. 1ARQCh. 5 - Prob. 2ARQCh. 5 - Prob. 3ARQCh. 5 - Prob. 4ARQCh. 5 - Prob. 5ARQCh. 5 - Prob. 6ARQCh. 5 - Prob. 1UYKCh. 5 - Prob. 2UYKCh. 5 - Prob. 3UYKCh. 5 - Study Figure 5-17 to understand the entities and...Ch. 5 - Working with your team, develop a list of seven...Ch. 5 - Modify the E-R model in Figure 5-17 to include a...Ch. 5 - Discuss the advantages and disadvantages of the...Ch. 5 - Transform the data model in Figure 5-17 into a...Ch. 5 - Prob. 9CECh. 5 - Fill your database with sample data. Because you...Ch. 5 - Prob. 11CECh. 5 - Prob. 12CSCh. 5 - Prob. 13CSCh. 5 - Prob. 14CSCh. 5 - Prob. 15CSCh. 5 - Prob. 16CSCh. 5 - Prob. 17CSCh. 5 - Prob. 18CSCh. 5 - Prob. 19MLMCh. 5 - Prob. 20MLM
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- Perform given tasks on Case study Q-Find entity Attribute and primary key, also draw Entity diagram? Case study: In a college we have students, department, teachers and courses. A student has name registration No and address. A teacher has name NIC and qualification. A department is known by its name e.g. CSIT, and have a HOD name , Num of students and Floor No. A course is identified by its Code. Course also has name and level of degree. A student must enroll (roll no and Semester as relationship attribute) in any one department. A department can have many students. The teacher is assigned class (time and day as attribute) in more than one department. A department has many teachers. A student can study up-to 5 courses by a teacher in given classroom number.arrow_forwardWhat does an associative entity model? a.) Associative entities model pure relationships rather than entities. b.) Associative entities model entities that are independent. c.) Associative entities model the real-world scenarios of ways to look up data. d.) Associative entities model attributes and how they are linked to entities.arrow_forwardIllustrate an Entity-Relationship Diagram (ERD) model using Crow’s Foot notation Here we can have the following entities 1.patients:this entity will store the details of the patients and the attributes for this entity is id(which is unique for each patient and can be used as a primary key) name(this attribute will store the name of the patient and it is a composite attribute) address(this attribute will store the address of the patient and it is multi valued attribute. ) contact_num(this is also a multi valued attribute which will store the contact details of the patient). age(which is a derived attribute) 2.room:this entity will store the information about the details of the rooms. The attributes are. id(this is unique for each room and can be used as a primary key) room number(this will store the room number) Total_bed(this will store the total number of beds present in that room) 3. Bed:this entity will store the information regarding to each bed present in an room, and the…arrow_forward
- What is the purpose of entity-relationship diagrams? What sort of symbol is used to depict a connection, and how does it work? What exactly does the phrase "associative entity" imply and what does it mean? Give an example.arrow_forwardDescribe how functional dependencies may be used to show: • There is a many-to-one connection set between the entity sets student and instructor, as well as a one-to-one relationship set between the two.arrow_forwardDraw an ER diagram for the airport database. Be sure to indicate the various attributes of each entity and relationship set; also specify the key and participation constraints for each relationships. Specify any necessary overlap and covering constraints The FAA passes a regulation that tests on a plane must be conducted by a technician whois an expert on that model. How would you express this constraint in the ER diagram? If you cannot express it, explain briefly.arrow_forward
- Describe how functional dependencies may be used to denote the following:• The entity sets student and teacher have a one-to-one relationship set.• There is a many-to-one connection set between the entity sets student and teacher.arrow_forwardFor the entity-relationship model expressed in the IE diagram below, what is the minimum number of tables required to implement it in BCNF. (Image attached). Enter the number below.arrow_forwardExplain how functional dependencies can be used to indicate the following:• A one-to-one relationship set exists between entity sets student and instructor.• Amany-to-one relationship set exists between entity sets student and instructor.arrow_forward
- Consider an E-R diagram containing 2 strong entities A and B. The cardinality ratio between the two entities is M:N and one entity contains a multi-valued attribute. What is the minimum number of tables required to represent the above scenario? a. 3 b. 4 c. 5 d. 6arrow_forwardEvery flimsy entity set may be strengthened by the addition of pertinent characteristics. What therefore, is the cause of our subpar entity sets?arrow_forwardDraw an Entity Relationship Diagram of Store Management System(Retail Store Database). Properly mention the entities, identify the relationships and find the cardinality of each relation very carefully. At this point of time your ERD should be final and not any major changes should occur. Properly mention following: a. Entity b. Relationship c. Attributes d. Cardinality iF HAND WRITTEN THE DIAGRAM SHOULD BE NEAT DO NOT POST COPIED DIAGRAMarrow_forward
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