1.2)officeNoofficeAddresstelNomgrStaffNoпатеBO018 Jefferson Way, Portland, ME 97201503-555-3618S1500Tom DanielsВО02City Center Plaza, Seattle, WA 98122206-555-6756S0010Mary MartinezB00314 – 8th Avenue, New York, NY 10012212-371-3000S0145Art PetersB00416 – 14th Avenue, Seattle, WA 98128206-555-3131S2250Sally SternPrimary key: officeNoa) Why the above table is not in 3NF?b) Describe and illustrate the process of normalizing the data shown in this table to thirdnormal form (3NF).c) Identify the primary and foreign keys in your 3NF relations.

Answered: Primary key: officeNo a) Why the above…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

See similar textbooks

Similar questions

Based on the following ER model and business rules, write an SQL statement to create COURSE and COURSE_PREREQ table. Be sure to implement all related data integrity constraint. For each column, use the data type as you think appropriate. Business rule • A course may have more than one prerequisites. The prerequisite courses may have their own prerequisite courses (more than one). COUSE entity • CourseNo is a UID (unique identifier). • Credit hours should be greater than 0 and less than 7. COURSE_PREREQ entity • UID is the composite of CourseNo and CourseNo (i.e., prerequisite courseNo). COURSE COURSE_PREREQ CourseNo: UID Title Description CourseNo: LCourseNo: UID CreditHours
Consider the follow relations’ schemas to answer the following questions: Student (sid, name, level, address) Book(bid, title, author) BorrowedBook(sid, bid, date) 1) Assume that, there are 10,000 Student records stored on 1,000 pages/blocks, 50,000 Book records stored on 5,000 pages, 300,000 BorrowedBook records stored on 15,000 pages, and there are 500 different authors. Find out what is the record size for each of the previous relation?, and what is the blocking factor for each relation?
What is the purpose of normalization? (in designing database) Explain the difference between 2NF and 3 NF relations.
Determine the relationships among the four relations in Figure 7-17. List primary keys for each relation and any foreign keys necessary to establish the relationships and maintain referential integrity. Pay particular attention to the data contained in TUTOR REPORTS when you set up its primary key.
Convert the M:N relationship below into 1:M relationships. List the relational schema for the entities (you can add attributes to each entity). For each entity, clearly indicate the primary key and foreign key, if any. An author may write several books, and a book may have several authors.
Question 2 and 3 only please and thank you so much
In the definition of a relational database, explain what is meant by "normalized relations" ?

Recommended textbooks for you

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

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

SEE MORE TEXTBOOKS

Primary key: officeNo a) Why the above table is not in 3NF? b) Describe and illustrate the process of normalizing the data shown in this table to third normal form (3NF). c) Identify the primary and foreign keys in your 3NF relations.