Database Concepts (7th Edition)
7th Edition
ISBN: 9780133544626
Author: David M. Kroenke, David J. Auer
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Expert Solution & Answer
Chapter 5, Problem 5.9RQ
Explanation of Solution
Three type of binary relationships:
The binary relationship consists of three types. They are:
- One-to-one relationship (1:1)
- One-to-many relationship (1:N)
- Many-to-many relationship (N:M)
One-to-one relationship (1:1):
- The simplest type of a binary relationship is one-to-one relationship is one of the types of binary relationship that refer to the relationship between two entities which means one field or record in a table has either zero or one field or record in another table.
- Let us consider the example:
- In a college
database , each department has only one HOD (Head of Department) and each HOD is assigned to only one department...
- In a college
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
convert it to relations that are normalization
List the three types of binary relationships and give an example of each. Do not use the examples given in this text
Explain how referential integrity is represented in relational model?
Enter your answer here
Chapter 5 Solutions
Database Concepts (7th Edition)
Ch. 5 - Explain how entities are transformed into tables.Ch. 5 - Prob. 5.2RQCh. 5 - Prob. 5.3RQCh. 5 - What is denormalization?Ch. 5 - Prob. 5.5RQCh. 5 - Explain the problems that denormalized tables may...Ch. 5 - Explain how the representation of weak entities...Ch. 5 - Explain how supertype and subtype entities are...Ch. 5 - Prob. 5.9RQCh. 5 - Prob. 5.10RQ
Ch. 5 - Show two different ways to represent the 1:1...Ch. 5 - Prob. 5.12RQCh. 5 - Prob. 5.13RQCh. 5 - Prob. 5.14RQCh. 5 - Prob. 5.15RQCh. 5 - Prob. 5.16RQCh. 5 - For your answer to question 5.15, code an SQL...Ch. 5 - Prob. 5.18RQCh. 5 - Prob. 5.20RQCh. 5 - Prob. 5.21RQCh. 5 - Explain how the terms parent table and child table...Ch. 5 - For your answers to questions 5.20, 5.21, and...Ch. 5 - Prob. 5.24RQCh. 5 - Prob. 5.25RQCh. 5 - Prob. 5.26RQCh. 5 - Prob. 5.27RQCh. 5 - Prob. 5.28RQCh. 5 - Define the three types of recursive binary...Ch. 5 - Prob. 5.30RQCh. 5 - Prob. 5.31RQCh. 5 - Prob. 5.32RQCh. 5 - Prob. 5.33RQCh. 5 - Prob. 5.34RQCh. 5 - Code an SQL statement that creates a table with...
Knowledge Booster
Similar questions
- Convert the table above to a relation in first normal form. Illustrate the relation with the sample data in the table.arrow_forwardThe table shows a relation. Which statement about the relation is correct? A The relation is a function because each output has exactly one input. B The relation is not a function because one input has more than one output. C The relation is not a function because one output has more than one input. D The relation is a function because each input has exactly one output.arrow_forwardWrite 5 queries with explanations for online book store system,(USE MySQL)-- Write 5 queries. Your queries should do a task that is meaningful in online book store system.-- At least one that joins two or more tables-- At least one that include group functions-- At least one with one or more sub-query(es)-- At least one update-- At least one delete-- At least one include arithmetic functions-- At least one uses aliasarrow_forward
- Write only the relational schema for 1st and 2nd Normal Forms based on the following records.arrow_forwardExplain how referential integrity is represented in relational model?arrow_forwardNormalize the following given data to 1/2/3 NF. State the relations schema after everynormalization.arrow_forward
- Given the following relations (the primary keys are bold): MATCH (CodM, Home Team VisitingTeam, Date,League) PLAYER (CodP, Name, Surname, Role, Nation, Team) GOAL (CodP, CodM, MinutesIntoTheMatch) YELIOW-CARDS (CodP, CodM, MinutesIntoTheMatch) Please note that MinutesIntoTheMatch indicates the time at which either the goal was scored or the yellow card was cautioned (e.g.. between 1st and 90th). Write SQL Query for each AMerican player (nation='America'), find the player's name and surname and the date on which he scored the former goal in his career.arrow_forwardGiven the following relations (the primary keys are underlined): MATCH (CodM, Home Team VisitingTeam, Date,League) PLAYER (CodP, Name, Surname, Role, Nation, Team) GOAL (CodP, CodM, MinutesIntoTheMatch) YELIOW-CARDS (CodP, CodM, MinutesIntoTheMatch) Please note that MinutesIntoTheMatch indicates the time at which either the goal was scored or the yellow card was cautioned (e.g.. between 1st and 90th). Write SQL Query for each match in which no more than 2 players playing as defender (role= Defender) were cautioned with a yellow card, show match code date on which the match was held, and total number of goals scored by each playerarrow_forwardGiven the following relations (the primary keys are bold): MATCH (CodM, Home Team VisitingTeam, Date,League) PLAYER (CodP, Name, Surname, Role, Nation, Team) GOAL (CodP, CodM, MinutesIntoTheMatch) YELIOW-CARDS (CodP, CodM, MinutesIntoTheMatch) Please note that MinutesIntoTheMatch indicates the time at which either the goal was scored or the yellow card was cautioned (e.g.. between 1st and 90th). Write SQL Query for each player who scored 1 least one goal within the first twenty minutes into the match for at least a fifth of the matches in which he scored in 2019, show name, sumame, and nationality of the playerarrow_forward
- Convert the following table to third normal form (3NF). In this table, StudentNum determines StudentName, NumCredits, AdvisorNum, and AdvisorName. Advisor Num determines AdvisorName. CourseNum determines Description. The combination of StudentNum and CourseNum determines Grade. STUDENT (StudentNum, StudentName, NumCredits, AdvisorNum, AdvisorName, CourseNum, Description, Grade). Identify the primary key for the original table and the primary keys for the resulting tables. Indicate the foreign keys with italic font. Give meaning names to the resulting tables.arrow_forwardWHAT IS THE RELATIONSHIP THIS TABLE ZERO TO MANY OPTIONAL ? ONE TO MANY ? ONE MANDATORY ? ONE TO ONE ? ONE ? ZERO TO ONE ? MANY ? MANY TO MANY ? ONE OPTIONAL TO MANY OPTIONAL ? ONE MANDATORY TO MANY OPTIONAL ? MANY)arrow_forwardConvert this table to a relation in first normal form by entering appropriate data in the table. What are the determinants in this relation?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Database System ConceptsComputer ScienceISBN:9780078022159Author:Abraham Silberschatz Professor, Henry F. Korth, S. SudarshanPublisher:McGraw-Hill Education
Starting Out with Python (4th Edition)Computer ScienceISBN:9780134444321Author:Tony GaddisPublisher:PEARSON
Digital Fundamentals (11th Edition)Computer ScienceISBN:9780132737968Author:Thomas L. FloydPublisher:PEARSON
C How to Program (8th Edition)Computer ScienceISBN:9780133976892Author:Paul J. Deitel, Harvey DeitelPublisher:PEARSON
Database Systems: Design, Implementation, & Manag...Computer ScienceISBN:9781337627900Author:Carlos Coronel, Steven MorrisPublisher:Cengage Learning
Programmable Logic ControllersComputer ScienceISBN:9780073373843Author:Frank D. PetruzellaPublisher:McGraw-Hill Education
Database System Concepts
Computer Science
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:McGraw-Hill Education
Starting Out with Python (4th Edition)
Computer Science
ISBN:9780134444321
Author:Tony Gaddis
Publisher:PEARSON
Digital Fundamentals (11th Edition)
Computer Science
ISBN:9780132737968
Author:Thomas L. Floyd
Publisher:PEARSON
C How to Program (8th Edition)
Computer Science
ISBN:9780133976892
Author:Paul J. Deitel, Harvey Deitel
Publisher:PEARSON
Database Systems: Design, Implementation, & Manag...
Computer Science
ISBN:9781337627900
Author:Carlos Coronel, Steven Morris
Publisher:Cengage Learning
Programmable Logic Controllers
Computer Science
ISBN:9780073373843
Author:Frank D. Petruzella
Publisher:McGraw-Hill Education