Example database application, Database Management System

Assignment Help:

We will explain here an example database application having COLLEGE database and use it in showing several E-R modelling concepts.

College database remains track of faculty, Students, Departments and Courses organised by several departments. Following is the explanation of COLLEGE database:

College have several departments like Department of Hindi, Department of English, and Department of Computer Science etc. Every department is assigned a unique id and name. Some faculty members are also appointed to each department and one of them works as head of the department (HOD).

There are several courses conducted by every department. Each course is assigned a unique id, name and duration.

  • Faculty information has name, address, department, basic salary etc. A faculty member is assigned to only one department but can teach several courses of other department also.
  • Student's information contain Name, Roll no (unique), Address etc. A student can opt only for one course.
  • Parent (guardian) information is also kept along with every student. We keep each guardian's name, sex, age, and address.

Related Discussions:- Example database application

What is meant by functional dependencies, What is meant by functional depen...

What is meant by functional dependencies? Consider a relation schema R and α C R and β C R. The functional dependency α ->β  holds on relational schema R if in any legal relati

Give an example of operations from the state actions, Give an example of op...

Give an example of operations from the State Actions and Activities. For instance, in bank the activity verify account code and verify password

Cluster analysis project, (a) Data Mining Process : In the context of t...

(a) Data Mining Process : In the context of this cluster analysis project , and in your own words , explain how you would execute the first stage of data mining, namely the "P

What are the disadvantages of relational data, What are the disadvantages o...

What are the disadvantages of relational data ? Disadvantages • Performance - If the number of tables among that relationships to be established are large and the tables t

What is functional dependency, What is Functional Dependency? A Functi...

What is Functional Dependency? A Functional dependency is shown by X Y among two sets of attributes X and Y that are subsets of R specifies a constraint on the possible tuple

Represent the form as a relational schema, Question: This form represen...

Question: This form represents one of a number used for each sailing of a range of boats. A passenger may go on many sailings and will have the same passenger number for each.

How to apply the bcnf decomposition , Consider the following relational sch...

Consider the following relational scheme: R (a,b,c,d,e,f) and its corresponding set of FDs {d→ a, be → c, ac → e, b → f, f → d, a → c}. a. Is the following decomposition i) non

Can you delete data element, Can we delete data element, which is being use...

Can we delete data element, which is being used by table fields. No we cant delete data element.

One-to-many relationship, For each 1: n relationship type R involving two e...

For each 1: n relationship type R involving two entities E1 and E2, we recognize the entity type (say E1) at the n-side of the relationship type R and contain primary key of the en

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd