Self checkout shopping cart
This presentation is the property of its rightful owner.
Sponsored Links
1 / 7

Self Checkout Shopping Cart PowerPoint PPT Presentation


  • 55 Views
  • Uploaded on
  • Presentation posted in: General

Self Checkout Shopping Cart. CSC 335: Database System Concepts Term Project. Aaron Klor and Dan Matz Missouri State University. Functionality Recap. Transacting Administrating Product add/edit/remove User add/edit/remove Transaction view/delete/output. Database. Object database

Download Presentation

Self Checkout Shopping Cart

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


Self checkout shopping cart

Self Checkout Shopping Cart

CSC 335: Database System Concepts Term Project

Aaron Klor and Dan Matz

Missouri State University


Functionality recap

Functionality Recap

  • Transacting

  • Administrating

    • Product add/edit/remove

    • User add/edit/remove

    • Transaction view/delete/output


Database

Database

  • Object database

    • NOT Relational database

    • NO SQL

    • Entirely object based

    • Just “store” objects

    • Well suited for high-order, object-oriented languages


Self checkout shopping cart

DB4O

  • Database 4 Objects - http://www.db4o.com/

    • Single-file database

      • Similar to SQLite

      • Can be configured for client/server

    • Available for Java and .NET languages

    • GPL license model


Db4o usage

DB4O Usage

  • Import library

  • Database access methods/classes


Objects

Objects

  • Product, Transaction, User

    • All extend DatabaseObject

  • Database Object

    • Provided by us

    • Abstract class

      • Provides super type

        • ID

        • ImageLocation


Not relational but

Not Relational, But

  • Some terms still apply:

    • ER Diagramming still useful

      • Specialization important – “IS A”

    • Schema diagrams still useful

    • Constraints

    • Foreign keys

    • Functional dependencies

  • Others do not

    • Normal forms

      • Used for column normalization – No columns!


  • Login