Visio diagram - database, Database Management System

The database depicted in the Visio diagram describes Proceeding, Article, Researcher, article PublishedIn a proceeding, article WrittenBy researchers and proceedings EditedBy researchers.

  1. Proceeding(ISBN, bookname, year, publisher): lists all the proceedings in existence, with the proceeding title, the year of publication and the publisher
  2. Article(aID, title, subject): lists all the articles
  3. Researcher(rID, name, institution): lists all the people, including editors and authors, and their institution
  4. PublishedIn(aID, ISBN): For each proceeding, lists the article contained
  5. WrittenBy(rID, aID): For each person, lists all the article he/she has authored, one article can be co-authored by more than one
  6. EditedBy(rID, ISBN): For each proceeding, lists all its editors, there can be more than one

There are no duplicate rows in any of the tables.

Please read the script 10.sql carefully. It both defines and creates the sample database and has placeholders for putting in your answers.

You are supposed to produce the following queries. Most of them produce answers without modifying the database. For each such query, unless stated otherwise;

  1. Sort the results in ascending order
  2. Remove duplicates from the answer

So to assuming your answer without the above requirement, on a hypothetical database would have been:


You should actually have:


You may, of course, use intermediate tables while producing your answers. You may need to explicitly DROP them once the answer is produced, so that you can run your queries again without getting errors.

Posted Date: 2/22/2013 6:19:26 AM | Location : United States

Related Discussions:- Visio diagram - database, Assignment Help, Ask Question on Visio diagram - database, Get Answer, Expert's Help, Visio diagram - database Discussions

Write discussion on Visio diagram - database
Your posts are moderated
Related Questions
What is the full form of ODBC ? ODBC stands for Open Database Connectivity.

what benefit can a company gain by managing its own infrasture and services

I want a professional with strong IT background who provide me timely assignments Project Description: I want a professional who can do my assignments for my major i.e. Infor

differences between a classified catalog and a dictionary catalog

Database Administrator One of the main perpose for having the database management system is to have control of both data or programs accessing that data. The person having li

Describe integrity constraints? Integrity Constraints - A database is just as excellent as the information stored in it, and a DBMS must therefore help avoid the entry of inc

Write short notes on domain relational calculus   The domain relational calculus uses domain variables that take on values from an attribute domain rather than values for whole

Java program for horrizontal fragmentation in distributed database

write a database program for concurrency transaction in a bank