Normalization Please explain the following concepts with specific example and process thank you a) Problem of...
Normalization
Please explain the following concepts with specific example and process thank you
a) Problem of redundancy: Update Anomalies: Insertion, Deletion and Modification
b) Functional dependencies, full functional dependency, Determinant(Candidate key)
c) Normal Forms : 1NF, 2NF, 3NF (Definitions and application, given a table check its normal form. Convert the table to a specific normal form.)Homework Answers
Add Answer to:
Normalization
Please explain the following concepts with specific example and process thank you
a) Problem of...
Language: SQL - Normalization and Functional Dependencies Part 4 Normalization and Functional Dependencies Consider the following relation R(A, B, C, D)and functional dependencies F that hold o...
Language: SQL - Normalization and Functional
Dependencies
Part 4 Normalization and Functional Dependencies Consider the following relation R(A, B, C, D)and functional dependencies F that hold over this relation. F=D → C, A B,A-C Question 4.1 (3 Points) Determine all candidate keys of R Question 4.2 (4 Points) Compute the attribute cover of X-(C, B) according to F Question 43 (5 Points) Compute the canonical cover of F.Show each step of the generation according to the algorithm shown in class....
Dependency Very Good dependency (key dependency) : XA where Table Very good If all dependencies i...
Dependency Very Good dependency (key dependency) : XA where Table Very good If all dependencies in a table are '"very good", the table is in BCNF X is a candidate key Good Good dependency: X-> A where If all dependencies in a table are "very good" or "good", the table is in 3NF X is not a candidate key X is a part of a candidate key A is prime attribute Bad Bad dependency (Transitive Dependency): X A where If...
for question (c) do like this 3. A table to record the information of Dentists, Patients,...
for question (c) do like this
3. A table to record the information of Dentists, Patients, and Appointments in a clinic is given below. DentistNo DentistName PatientNo PatientName PatientPhone AppointmentDate Appointment Time AppointmentFee On a single day each patient can have more than one appointment. It is known that DentistNo is unique for each dentist. PatientNo is unique for each patient. PatientNo must not be used as a composite key. A patient is allowed to see any dentist. (a) Use...
Chapter 6 Homework Answer the questions below Note In drawing the diagrams, use the textbook nota...
Chapter 6 Homework Answer the questions below Note In drawing the diagrams, use the textbook notation . In drawing the diagram, you can use any (diagraming) software, such as Draw.io, Microsoft Visio, LucidChart, or even Microsoft Word. Copy and paste the diagram to Microsoft Word or convert them PDF and Submit the Word file or PDF file o o Include diagram ONLY, not entire software screen Your submission should be readable . Put your name on your document Due date:...
Please help me answer the following questions regarding data relationship tables. Employee ID First Name Last...
Please help me answer the following questions regarding data relationship tables. Employee ID First Name Last Name email Title Address Extension Department Department ID Hiring Date Department Phone # 0001 John Smith jsmith Accountant 1300 West st 5775 Accounting 2100 8/1998 407-366-5700 0002 Brian Miller badams Admin Assistant 1552 Palm dr 5367 Human resource 2300 4/1995 407-366-5300 0003 James Miller miller Inventory Manager 2713 Buck rd 5432 Production 2520 8/1998 407-366-5400 0004 John Jackson jackson_sam Sales Person 433 tree dr...
Examine the following relation and answer the following questions. Assume these are the values that exist...
Examine the following relation and answer the following questions. Assume these are the values that exist for all time (e.g., the toys shown always cost the amount shown) and that boys with the same name are the same person. Boy Group Age Toy Category Price Charlie 6 year olds 6 Soccer Ball Sports 18.44 Jimmy 5 year olds 5 Hammer Tools 7.99 Robert 6 year olds 6 Baseball Sports 8.99 Jimmy 5 year olds 5 Soccer Ball Sports 18.44 Jimmy...
PROBLEM STATEMENT: Suppose you have a client that has given you the following business rules to...
PROBLEM STATEMENT: Suppose you have a client that has given you
the following business rules to form the basis for a database
design. The database must enable the manager of a company dinner
club to mail invitations to the club’s members, to plan the meals,
to keep track of who attends the dinners, and so on. Each dinner
serves many members, and each member may attend many dinners. A
member receives many invitations, and each invitation is mailed to
many...
How can we assess whether a project is a success or a failure? This case presents...
How can we assess whether a project is a success or a
failure?
This case presents two phases of a large business transformation project involving the implementation of an ERP system with the aim of creating an integrated company. The case illustrates some of the challenges associated with integration. It also presents the obstacles facing companies that undertake projects involving large information technology projects. Bombardier and Its Environment Joseph-Armand Bombardier was 15 years old when he built his first snowmobile...
Language: SQL - Normalization and Functional
Dependencies
Part 4 Normalization and Functional Dependencies Consider the following relation R(A, B, C, D)and functional dependencies F that hold over this relation. F=D → C, A B,A-C Question 4.1 (3 Points) Determine all candidate keys of R Question 4.2 (4 Points) Compute the attribute cover of X-(C, B) according to F Question 43 (5 Points) Compute the canonical cover of F.Show each step of the generation according to the algorithm shown in class....
Dependency Very Good dependency (key dependency) : XA where Table Very good If all dependencies in a table are '"very good", the table is in BCNF X is a candidate key Good Good dependency: X-> A where If all dependencies in a table are "very good" or "good", the table is in 3NF X is not a candidate key X is a part of a candidate key A is prime attribute Bad Bad dependency (Transitive Dependency): X A where If...
for question (c) do like this
3. A table to record the information of Dentists, Patients, and Appointments in a clinic is given below. DentistNo DentistName PatientNo PatientName PatientPhone AppointmentDate Appointment Time AppointmentFee On a single day each patient can have more than one appointment. It is known that DentistNo is unique for each dentist. PatientNo is unique for each patient. PatientNo must not be used as a composite key. A patient is allowed to see any dentist. (a) Use...
Chapter 6 Homework Answer the questions below Note In drawing the diagrams, use the textbook notation . In drawing the diagram, you can use any (diagraming) software, such as Draw.io, Microsoft Visio, LucidChart, or even Microsoft Word. Copy and paste the diagram to Microsoft Word or convert them PDF and Submit the Word file or PDF file o o Include diagram ONLY, not entire software screen Your submission should be readable . Put your name on your document Due date:...
PROBLEM STATEMENT: Suppose you have a client that has given you
the following business rules to form the basis for a database
design. The database must enable the manager of a company dinner
club to mail invitations to the club’s members, to plan the meals,
to keep track of who attends the dinners, and so on. Each dinner
serves many members, and each member may attend many dinners. A
member receives many invitations, and each invitation is mailed to
many...
How can we assess whether a project is a success or a
failure?
This case presents two phases of a large business transformation project involving the implementation of an ERP system with the aim of creating an integrated company. The case illustrates some of the challenges associated with integration. It also presents the obstacles facing companies that undertake projects involving large information technology projects. Bombardier and Its Environment Joseph-Armand Bombardier was 15 years old when he built his first snowmobile...
Most questions answered within 3 hours.
-
Where is the error in this code sequence?
String s1 = "Hello";
String s2 = "ello";...
asked 10 months ago -
Financial data for Joel de Paris, Inc., for last year
follow:
Joel de Paris, Inc.
Balance...
asked 10 months ago -
Consider this reaction:
Al2(SO4)3 (aq)+ BaCl3
(aq) Al2Cl6 (aq)- +
3BaSO4(s) . What is the...
asked 10 months ago -
Suppose that Savneet is considering increasing her
recent random sample from 20 car rentals to 40...
asked 10 months ago -
Trucks arrive at an unloading terminal at an average rate of 120
per hour.
Trucks arrive...
asked 10 months ago -
Why are methanol and ethanol completely soluble in water while
octanol is not very little soluble....
asked 10 months ago -
A facilities manager at a university reads in a research report
that the mean amount of...
asked 10 months ago -
When the CuSO4 is rehydrated by adding water to the anhydrous
compound, is this an endothermic...
asked 10 months ago -
A ray of sunlight is passing from diamond into crown glass; the
angle of incidence is...
asked 10 months ago -
A block of mass 0.249 kg is placed on top of a light, vertical
spring of...
asked 10 months ago -
how do the kidneys compensate in the presences of acidosis
a) trigger hyperventilate
b) reserve acid...
asked 10 months ago -
Question 501 pts
The rental rate of capital to the firm increases. Which of the
following...
asked 10 months ago