Analysis of relational schemas and normalization Consider the following conceptual schema of a sample database domain that contains information about customers' booking of KTV studio. book has CUSTOMER KTVSTUDIO studioName location equipmentList[0..*] RATE startDateTime rateType custPhone name preferences[0..*] ID ID ID unitPrice BOOKING duration specialRequest[0..*] A database designer applied a process of logical design, and he/she transformed the conceptual schema into the following collection of relational schemas. CUSTOMER(cust Phone, name,preferences) KTVSTUDIO(studioName, location,equipment List, rateType) BOOKING(custPhone, studioName, statDateTime,duration,specialRequest) RATE(rateType,unt Price) (i) Find all functional and multivalued dependencies in the relational schemas CUSTOMER, KTVSTUDIO, BOKING, and RATE. Find all minimal keys in the relational schemas CUSTOMER, KTVSTUDIO, BOOKING, and RATE. List the derivations of all minimal keys. For each one of the relational schemas find the highest normal form a schema is in. List the justifications for each highest normal form found. Decompose all relational schemas that are not in 4nF into 4NF. List all relational schemas obtained from the decompositions. Remember to indicate the primary key and foreign keys (if any). (ii) (iii) (iv)
Analysis of relational schemas and normalization Consider the following conceptual schema of a sample database domain that contains information about customers' booking of KTV studio. book has CUSTOMER KTVSTUDIO studioName location equipmentList[0..*] RATE startDateTime rateType custPhone name preferences[0..*] ID ID ID unitPrice BOOKING duration specialRequest[0..*] A database designer applied a process of logical design, and he/she transformed the conceptual schema into the following collection of relational schemas. CUSTOMER(cust Phone, name,preferences) KTVSTUDIO(studioName, location,equipment List, rateType) BOOKING(custPhone, studioName, statDateTime,duration,specialRequest) RATE(rateType,unt Price) (i) Find all functional and multivalued dependencies in the relational schemas CUSTOMER, KTVSTUDIO, BOKING, and RATE. Find all minimal keys in the relational schemas CUSTOMER, KTVSTUDIO, BOOKING, and RATE. List the derivations of all minimal keys. For each one of the relational schemas find the highest normal form a schema is in. List the justifications for each highest normal form found. Decompose all relational schemas that are not in 4nF into 4NF. List all relational schemas obtained from the decompositions. Remember to indicate the primary key and foreign keys (if any). (ii) (iii) (iv)
Principles of Information Systems (MindTap Course List)
13th Edition
ISBN:9781305971776
Author:Ralph Stair, George Reynolds
Publisher:Ralph Stair, George Reynolds
Chapter5: Database Systems And Big Data
Section5.4: Big Data
Problem 2CTQ
Related questions
Question
![Analysis of relational schemas and normalization
Consider the following conceptual schema of a sample database domain that
contains information about customers' booking of KTV studio.
book
has
CUSTOMER
KTVSTUDIO
studioName
location
equipmentList[0..*]
RATE
startDateTime
rateType
custPhone
name
preferences[0..*]
ID
ID
ID
unitPrice
BOOKING
duration
specialRequest[0..*]
A database designer applied a process of logical design, and he/she
transformed the conceptual schema into the following collection of relational
schemas.
CUSTOMER(cust Phone, name,preferences)
KTVSTUDIO(studioName, location,equipment List, rateType)
BOOKING(custPhone, studioName, statDateTime,duration,specialRequest)
RATE(rateType,unt Price)
(i)
Find all functional and multivalued dependencies in the relational schemas
CUSTOMER, KTVSTUDIO, BOKING, and RATE.
Find all minimal keys in the relational schemas CUSTOMER, KTVSTUDIO,
BOOKING, and RATE. List the derivations of all minimal keys.
For each one of the relational schemas find the highest normal form a
schema is in. List the justifications for each highest normal form found.
Decompose all relational schemas that are not in 4nF into 4NF. List all
relational schemas obtained from the decompositions. Remember to
indicate the primary key and foreign keys (if any).
(ii)
(iii)
(iv)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdfef1900-6b6b-4241-b7c7-4b23c6e468f2%2Faadcc01b-60ae-4027-baa2-6d2bcf53749c%2Ff2gu4u_processed.png&w=3840&q=75)
Transcribed Image Text:Analysis of relational schemas and normalization
Consider the following conceptual schema of a sample database domain that
contains information about customers' booking of KTV studio.
book
has
CUSTOMER
KTVSTUDIO
studioName
location
equipmentList[0..*]
RATE
startDateTime
rateType
custPhone
name
preferences[0..*]
ID
ID
ID
unitPrice
BOOKING
duration
specialRequest[0..*]
A database designer applied a process of logical design, and he/she
transformed the conceptual schema into the following collection of relational
schemas.
CUSTOMER(cust Phone, name,preferences)
KTVSTUDIO(studioName, location,equipment List, rateType)
BOOKING(custPhone, studioName, statDateTime,duration,specialRequest)
RATE(rateType,unt Price)
(i)
Find all functional and multivalued dependencies in the relational schemas
CUSTOMER, KTVSTUDIO, BOKING, and RATE.
Find all minimal keys in the relational schemas CUSTOMER, KTVSTUDIO,
BOOKING, and RATE. List the derivations of all minimal keys.
For each one of the relational schemas find the highest normal form a
schema is in. List the justifications for each highest normal form found.
Decompose all relational schemas that are not in 4nF into 4NF. List all
relational schemas obtained from the decompositions. Remember to
indicate the primary key and foreign keys (if any).
(ii)
(iii)
(iv)
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 3 steps
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.Recommended textbooks for you
Principles of Information Systems (MindTap Course…
Computer Science
ISBN:
9781305971776
Author:
Ralph Stair, George Reynolds
Publisher:
Cengage Learning
Fundamentals of Information Systems
Computer Science
ISBN:
9781337097536
Author:
Ralph Stair, George Reynolds
Publisher:
Cengage Learning
Fundamentals of Information Systems
Computer Science
ISBN:
9781305082168
Author:
Ralph Stair, George Reynolds
Publisher:
Cengage Learning
Principles of Information Systems (MindTap Course…
Computer Science
ISBN:
9781305971776
Author:
Ralph Stair, George Reynolds
Publisher:
Cengage Learning
Fundamentals of Information Systems
Computer Science
ISBN:
9781337097536
Author:
Ralph Stair, George Reynolds
Publisher:
Cengage Learning
Fundamentals of Information Systems
Computer Science
ISBN:
9781305082168
Author:
Ralph Stair, George Reynolds
Publisher:
Cengage Learning
Principles of Information Systems (MindTap Course…
Computer Science
ISBN:
9781285867168
Author:
Ralph Stair, George Reynolds
Publisher:
Cengage Learning