Parts( pid, name, price);Projects( jid, name, company, budget, start, duration );Suppliers sid, name, address, phone );Orders oid, pid, jid, sid, quantity, amount, date, comment ); a) Write a query that returns the IDs and names of projects started after 2010,and the sum of the amounts for their orders of the part named "Wheel-x." Use SQL andQBE!

Explanation: SQL:The Projects table is joined with the Orders table using jid and further joined…

Answered: Parts( pid, name, price); Projects(…

Database Systems: Design, Implementation, & Management

12th Edition

ISBN:9781305627482

Author:Carlos Coronel, Steven Morris

Publisher:Carlos Coronel, Steven Morris

Chapter2: Data Models

Section: Chapter Questions

Problem 15P

See similar textbooks

Similar questions

System Description: Branches Dream Home has branch offices in cities throughout the United Kingdom. Each branch office is allocated members of staff, including a Manager, who manages the operations of the office. The data describing a branch office includes a unique branch number, address (street, city, and postcode), telephone numbers (up to a maximum of three), and the name of the member of staff who currently manages the office. Additional data is held on each Manager, which includes the date that the Manager assumed his or her position at the current branch office, and a monthly bonus payment based upon his or her performance in the property for rent market. Staff Members of staff with the role of Supervisor are responsible for the day-to-day activities of an allocated group of staff called Assistants (up to a maximum of 10, at any one time). Not all members of staff are assigned to a Supervisor. The data stored regarding each member of staff includes staff number, name, address,…
System Description: Branches Dream Home has branch offices in cities throughout the United Kingdom. Each branch office is allocated members of staff, including a Manager, who manages the operations of the office. The data describing a branch office includes a unique branch number, address (street, city, and postcode), telephone numbers (up to a maximum of three), and the name of the member of staff who currently manages the office. Additional data is held on each Manager, which includes the date that the Manager assumed his or her position at the current branch office, and a monthly bonus payment based upon his or her performance in the property for rent market. Staff Members of staff with the role of Supervisor are responsible for the day-to-day activities of an allocated group of staff called Assistants (up to a maximum of 10, at any one time). Not all members of staff are assigned to a Supervisor. The data stored regarding each member of staff includes staff number, name, address,…
Requirement analysis: Course evaluation must have a student, the students relation contains a unique student id, full name for each student, email address, phone number, address and date of birth. For each course, the courses contain course id, course name and credit. Each student can take many courses. For each Instructor, the instructors contain id, name and email. Each instructor can instruct many courses. For each section, the sections contain section id, year and semester. Students are able to evaluate the current courses. ER-diagram: Please complete the ER diagram using Microsoft word. Instructor ID Full name Email Student ID Full name Email Phone number Address Date of birth Course ID Course title Description Credit Section ID Year Semester Please Complete the diagram on MS word.
TEAM DRIVER Driver ID Driver Age Driver Name Belongs To He Team ID Team Name Team Manager Convert this ER diagram into 3NF Relational schema PARTICIPATION Points Earned FINISH Position Result RACE RACE COMPONENT Race ID Race Title Race Location Race Date RC ID RC Туpe %3 Consists Of
A college course may have one or more scheduled sections or may not have a scheduled section. Attributes of COURSE include Course ID, Course Name, and Units. Attributes of SECTION include Section Number and Semester ID. Semester ID is composed of two parts: Semester and Year. Section Number is an integer (such as 1 or 2) that distinguishes one section from another for the same course but does not uniquely identify a section. How did you model SECTION? Why did you choose this way versus alternative ways to model SECTION?
Each department runs a number of courses. The university provides a set of modules used in different courses. Each course uses a number of modules but not every module is used. A course is assigned a unique course code and a module is identified by a unique module code. A module can be used in one course only, but can be studied by many students. In addition to the module code each module unique title, start date, end date, texts (books), and assessment scheme (i.e., coursework and exam marks percentages) are also stored. Each course is managed by a member of academic staff, and each module is coordinated by a member of academic staff also. The database should also store each course unique title, and duration (in years). A student can enroll in one course at a time. Once enrolled a student is assigned a unique matriculation number. To complete a course, each student must undertake and pass all the required modules in his/her course. This requires that the database store the…
Schema Implementation( create table and insert )
* with explanation
What choices must be made in order to create a field specification?
Write out a relational schema for the following ERD
Access path A database table is composed of records and fields hold data. Data is stored in records. A field is a part of a record and contains a single piece of data for the subject of the record. The access path for finding the list of books is AUTHOR: AuthorID, Lname BOOKAUTHOR: AuthorID, ISBN BOOKS: Pubdate, ISBN
Define second normal form. What types of problems might you encounter using tables that are not in second normal form?

SEE MORE QUESTIONS

Recommended textbooks for you

Database Systems: Design, Implementation, & Manag…

Computer Science

ISBN:

9781305627482

Author:

Carlos Coronel, Steven Morris

Publisher:

Cengage Learning

Oracle 12c: SQL

Computer Science

ISBN:

9781305251038

Author:

Joan Casteel

Publisher:

Cengage Learning

Principles of Information Systems (MindTap Course…

Computer Science

ISBN:

9781285867168

Author:

Ralph Stair, George Reynolds

Publisher:

Cengage Learning

Database Systems: Design, Implementation, & Manag…

Computer Science

ISBN:

9781305627482

Author:

Carlos Coronel, Steven Morris

Publisher:

Cengage Learning

Oracle 12c: SQL

Computer Science

ISBN:

9781305251038

Author:

Joan Casteel

Publisher:

Cengage Learning

Principles of Information Systems (MindTap Course…

Computer Science

ISBN:

9781285867168

Author:

Ralph Stair, George Reynolds

Publisher:

Cengage Learning

CMPTR

Computer Science

ISBN:

9781337681872

Author:

PINARD

Publisher:

Cengage

Programming Logic & Design Comprehensive

Computer Science

ISBN:

9781337669405

Author:

FARRELL

Publisher:

Cengage

Np Ms Office 365/Excel 2016 I Ntermed

Computer Science

ISBN:

9781337508841

Author:

Carey

Publisher:

Cengage

SEE MORE TEXTBOOKS