Suppose a school wants to store the data of teachers and the subjects they teach.They create a table that looks like this: Since a teacher can teach more than onesubjects, the table can have multiple rows for a same teacher. Apply Second NormalForm on this table.teacher idsubjectteacher age401Maths34402Physics32403Biology28404Physics30405Chemistry37

Normalization is the process of reducing duplicity from a relation or set of relations. Redundancy…

Answered: Suppose a school wants to store the…

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

See similar textbooks

Similar questions

Suppose that we have an item table and a shipment table. The Item table contains all of the items and the Shipment table contains items received by the company. Shipments Table itemNo description Items Table itemNo 342 345 346 347 description MacBook Pro Lenovo PC 4GB Memory 500GB HD qtyOnHand 10 55 100 6 342 345 347 352 What is the result of executing the following query on this data? MacBook Pro Lenovo PC 500GB HD ITB External Drive qty Received SELECT I.itemNo "Item No", qtyOnHand "Quantity On Hand", S.itemNo "Item Number", qtyReceived "Quantity Received" FROM Items I RIGHT JOIN Shipments S ON (1.itemNo= S.itemNo); O c. 'NULL' appears in the column Item Number. O d. '352' appears in the column Item No. 1 5 6 4 Identify in the list below, a value and the name of a column in which it appears. O a. '346' appears in the column Item No. O b. 'NULL' appears in the column Item No.
Hi, This is what I have, but I am stuck with what to write and not sure if my function is even correct, to begin with. Can someone show me a walk-through solution? MUST USE postgreSQL CREATE TABLE instructor_course_nums (ID VARCHAR(25), name VARCHAR(25), tot_courses VARCHAR(25)); CREATE OR REPLACE PROCEDURE calculate_instr_course(ID VARCHAR(25), name VARCHAR(25), tot_courses VARCHAR(25))LANGUAGE plpgsqlAS$$BEGIN END;$$;
Corporation: id 15 17 20 instance: Company: cid id 1 2 3 4 5 15 17 15 20 15 Assumptions: id in Company references id in Corporation. • cid in Department references cid in Company. Department: did cid 1 2 3 4 5 6 7 8 9 10 11 12 5 1 2 2 3 5 1 3 3 1 2 4 Each option starts from the original tables (given above) NOT from the tables modified by the previous option You don't need to copy the entire table. Just explain the action of each operation. (a) Suppose that all the foreign keys are declared using on delete restrict. What is the effect of the instruction delete from Company where cid=2? (b) Suppose that all the foreign keys are declared using on delete cascade. What is the effect of the instruction delete from Corporation where id-15?
Translate the following pandas statement in Python to a SQL query so that it can be executed on the SQL database. dfdata[(10*dfdata['cases']>dfdata['cases'])&(dfdata['date']=='2020-10-10')]['county']
Create the table that results from applying a UNION relational operator to the two tables BOOTH and MACHINE
how to build a bookstore database with Entities for Tables Book Authors Bookstore Members Sales transaction Inventory
Composite datatypes can only have multi row &multi column values in them Answers: Yes No
Construct a DFA Minimization by using Table Filling methods!
Look up student MAJOR and ROOM information based on the student NAME. Enter formula into B2. 1 NAME MAJOR ROOM 2 58 3 4 NAME MAJOR ROOM 5 $1 CIS DBH 6 S2 7 3 A/F DBH A/F DBH 8 $4 мом SCI 9 S5 мом DBH 10 56 CIS SCI 11 S7 CIS DBH 12 S8 A/F 13 S9 мом 14 S10 CIS Size Color Price Item T. 15 Size L T M 16 Color R. 17 Price 28 H. 29 30 XL R. 18
Below is “Book Order,” the only table in library management system’s database. The design of “Book Order” as you may tell is in the zero normal formal form, you as the database designer want to convert the design into the third normal form. Order ID Special order date Customer ID Customer last name Customer First name Customer birth date Book ISBN1 Book Title 1 Book Author 1 Book publication year 1 Book ISBN2 Book Title 2 Book Author 2 Book publication year 2 Store ID Store name Store location Special order status Book Order(Order ID, Special order date, Customer ID, Customer last name, Customer First name, Customer birth date, Book ISBN1, Book Title 1, Book Author 1, Book publication year 1, Book ISBN2, Book Title 2, Book Author 2, Book publication year 2, Store ID, Store name, Store location, Special order status)
+----+ +- --+- | id | firstname | lastname | spouse_id | +--- + 1 | Marty 2 | Jennifer 3 | Lorraine 4 | Biff 5 | George | McFly | Parker NULL | NULL | | | | McFly | Tannen | McFly 5 | NULL | | 3 | +----+

Recommended textbooks for you

Computer Networking: A Top-Down Approach (7th Edi…

Computer Engineering

ISBN:

9780133594140

Author:

James Kurose, Keith Ross

Publisher:

PEARSON

Computer Organization and Design MIPS Edition, Fi…

Computer Engineering

ISBN:

9780124077263

Author:

David A. Patterson, John L. Hennessy

Publisher:

Elsevier Science

Network+ Guide to Networks (MindTap Course List)

Computer Engineering

ISBN:

9781337569330

Author:

Jill West, Tamara Dean, Jean Andrews

Publisher:

Cengage Learning

Computer Networking: A Top-Down Approach (7th Edi…

Computer Engineering

ISBN:

9780133594140

Author:

James Kurose, Keith Ross

Publisher:

PEARSON

Computer Organization and Design MIPS Edition, Fi…

Computer Engineering

ISBN:

9780124077263

Author:

David A. Patterson, John L. Hennessy

Publisher:

Elsevier Science

Network+ Guide to Networks (MindTap Course List)

Computer Engineering

ISBN:

9781337569330

Author:

Jill West, Tamara Dean, Jean Andrews

Publisher:

Cengage Learning

Concepts of Database Management

Computer Engineering

ISBN:

9781337093422

Author:

Joy L. Starks, Philip J. Pratt, Mary Z. Last

Publisher:

Cengage Learning

Prelude to Programming

Computer Engineering

ISBN:

9780133750423

Author:

VENIT, Stewart

Publisher:

Pearson Education

Sc Business Data Communications and Networking, T…

Computer Engineering

ISBN:

9781119368830

Author:

FITZGERALD

Publisher:

WILEY

SEE MORE TEXTBOOKS