Modern Database Management (12th Edition)
12th Edition
ISBN: 9780133544619
Author: Jeffrey A. Hoffer, Ramesh Venkataraman, Heikki Topi
Publisher: PEARSON
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Question
Chapter 4, Problem 4.35PAE
Program Plan Intro
(a)
To convert the given EER diagram into relational schemas
Program Plan Intro
(b)
To convert the EER diagram in relational schemas with functional dependencies
Program Plan Intro
(c)
To develop a set of 3NF for the given situation using enterprise key.
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The Entity Relationship (ER) Model is intended as a description of real-world entities. The ER Diagram represents the conceptual level of database design meanwhile the relational schema is the logical level for the database design. Refer to the Figure 1 below and convert the given ER Diagram into a relational schema. Identify all the primary as well as foreign key relations that should be implemented in the required relational schema.
Consider the given ER Diagram for Notown database in Figure 2. You have been tasked to recommend that Notown use a relational database system to store company data. Show the Structured Query Language (SQL) statements for creating relations corresponding to the entity sets and relationship sets in your design. Identify any constraints in the ER Diagram that you are unable to capture in the SQL statements and briefly explain why you could not express them.
Design a Relational Database by Mapping the following Entity-Relationship Diagram (ERD)
into Relational Model. You must clearly determine the PK of each relation. Also, you should
show the links between FKs and PKs in your answer.
SName
Owner
SHIP MOVEMENT
PName
HISTORY
HOME PORT
SHIP
PORT
Latitude
(0,")
VISITS
(0.")
Timestamp
Longitude
N
N
N
(1.1)
IN
TYPE
ON
1
1
Date
Time
StartDate
VISITS
Type
EndDate
Tonnage
SHIP TYPE
Name
STATE/COUNTRY
Name
SEA/OCEAN/LAKE
Hull
Continent
Chapter 4 Solutions
Modern Database Management (12th Edition)
Ch. 4 - Prob. 4.1RQCh. 4 - Prob. 4.2RQCh. 4 - Prob. 4.3RQCh. 4 - Describe the primary differences between the...Ch. 4 - Summarize six important properties of relations.Ch. 4 - Describe two properties that each candidate key...Ch. 4 - Describe the three types of anomalies that can...Ch. 4 - Demonstrate each of the anomaly types with an...Ch. 4 - Fill in the blanks in each of the following...Ch. 4 - What is a well-structured relation? Why are...
Ch. 4 - Prob. 4.11RQCh. 4 - Describe how the following components of an E-R...Ch. 4 - Prob. 4.13RQCh. 4 - Prob. 4.14RQCh. 4 - Briefly describe four typical problems that often...Ch. 4 - Prob. 4.16RQCh. 4 - Explain how each of the following types of...Ch. 4 - Prob. 4.18RQCh. 4 - Prob. 4.19RQCh. 4 - Prob. 4.20RQCh. 4 - Prob. 4.21RQCh. 4 - What is the relationship between the primary key...Ch. 4 - Prob. 4.23RQCh. 4 - Explain what can be done with primary keys to...Ch. 4 - Prob. 4.25RQCh. 4 - Explain three conditions that suggest a surrogate...Ch. 4 - Prob. 4.27RQCh. 4 - For each of the following E-R diagrams from...Ch. 4 - Prob. 4.29PAECh. 4 - Prob. 4.30PAECh. 4 - For your answers to the following Problems and...Ch. 4 - Figure 4-3212 shows a class list for Millennium...Ch. 4 - Prob. 4.33PAECh. 4 - Prob. 4.34PAECh. 4 - Prob. 4.35PAECh. 4 - Prob. 4.36PAECh. 4 - Prob. 4.37PAECh. 4 - Prob. 4.38PAECh. 4 - For your answers to the following Problems and...Ch. 4 - Transform Figure 2-15a, attribute version, to 3NF...Ch. 4 - Prob. 4.41PAECh. 4 - Prob. 4.42PAECh. 4 - Prob. 4.43PAECh. 4 - Prob. 4.44PAECh. 4 - For your answers to Problem and Exercise 3-33 from...Ch. 4 - Prob. 4.46PAECh. 4 - Prob. 4.47PAECh. 4 - Figure 4-38 includes an EER diagram for a...Ch. 4 - Prob. 4.49PAECh. 4 - Prob. 4.50PAECh. 4 - Prob. 4.51PAECh. 4 - Prob. 4.52PAECh. 4 - Figure 4-40 shows an EER diagram for a university...Ch. 4 - Explore the data included in Table 4-9. Assume...Ch. 4 - Prob. 4.55PAECh. 4 - Prob. 4.56PAECh. 4 - Prob. 4.57PAECh. 4 - Prob. 4.58PAE
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Similar questions
- The ______________ model is a simple but highly useful way to organize data into collections of two-dimensional tables called relations.arrow_forwardDevelop an Entity Relationships Diagram (ERD) based on the relational schemas in the 3NF for the starting relational schema in un-normalized form presented below. UNF:Order(OrderID, OrderDate, CustID, CustName, CustPhone, CCNum, CCExpDate, CCBank, BnkContName, BnkContPhone, CustEmail, OrderIP, SiteRefFrom, ShipStreet, ShipCity, ShipSt, ShipZip, OrderLineNum, ItemID, ItemName, ItemDesc, ItemQtyOrdered,ItemListPrice, ItemSalePrice, ItemQtyShip, ShipCharge, Tax, TotalDue)arrow_forwardPlease transform the following Entity-Relationship Schema (Diagram) into a Relational Schema. Please do not forget to specify the keys and constraints for each relation. (RESP_ENG: the engineer responsible for the project. WORKS_ON: the project an engineer works on). MANAGES SSNO FName PNo PROJECT EMPLOYEE LName PName |1 Address \ISA WORKS ON ENGINEER Speciality RESP ENGarrow_forward
- Can you please help me in how I can turn the Entity Relationship diagram into a Logical Database Diagram? I know I need to list out all the entities, but I am not sure how to draw the relation. If you would please write it step by step for me so I can practice, that would be much appreciated.arrow_forwardDesign a Relational Database by Mapping the following Entity-Relationship Diagram (ERD) into Relational Model. You must clearly determine the PK of each relation. Also, you should show the links between FKs and PKs in your answer. Date Timestamp Time SHIP_MOVEMENT Longitude Latitude HISTORY Туре Tonnage Hull SName N 1 SHIP TYPE SHIP_TYPE Owner (0,") StartDate EndDate HOME_PORT (1,1) Name VISITS VISITS Continent 1 (0,“) N 1 IN STATE/COUNTRY PName PORT Name N ON SEA/OCEAN/LAKEarrow_forwardDesign a database for an airline. The database must keep track of customers and theirreservations, flights and their status, seat assignments on individual flights, and the scheduleand routing of future flights. Your design should include an E-R diagram, a set of relationalschemas, and a list of constraints, including primary-key and foreign-key constraints.arrow_forward
- 4-44. Figure 4-35 shows an EER diagram for Vacation Property Rentals. This organization rents preferred properties in several states. As shown in the figure, there are two basic types of properties: beach properties and mountain properties. Transform the EER diagram to a set of relations and develop a relational schema. Diagram the functional dependencies and determine the normal form for each relation. Convert all relations to third normal form, if necessary, and draw a revised relational schema. Suggest an integrity constraint that would ensure that no property is rented twice during the same time interval.arrow_forwardPlease read this carefully and Draw an EER diagram for a database of a hospital following these requirements: create Four to five regular strong entities. A union One 1:1, one 1:N, and one N:M relationship – of which at least one relationship should be partial and one full. One overlap relationship and one disjoint relationship. Other notes: Do not emphasize on too many attributes for the entities. Two to three attributes for each entity will be enough. Make sure to include a primary key for each entity.arrow_forwardCreate an ER model related to the following entities and relationships: Department, Student, Professor, Course, Section, Grade, Major. (For attributes inside each table, you only need to insert several reasonable attributes. No need to have a comprehensive list. For many-to-many relationship, you also need to insert one extra table to handle the many-to-many relationship. The final database design will have more tables than the number of entities listed above.) A given department can offer many courses. A given course can be offered by only one related department. A given course can have many related sections. A given professor can teach many sections. A given section can only be related to one course and taught by one professor. A given professor can have appointment with different departments A given department can have many professors. A given department can offer several majors. A given major can be offered by only one related department. A given student can have several majors. A…arrow_forward
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