Loading presentation...

Present Remotely

Send the link below via email or IM

Copy

Present to your audience

Start remote presentation

  • Invited audience members will follow you as you navigate and present
  • People invited to a presentation do not need a Prezi account
  • This link expires 10 minutes after you close the presentation
  • A maximum of 30 users can follow your presentation
  • Learn more about this feature in our knowledge base article

Do you really want to delete this prezi?

Neither you, nor the coeditors you shared it with will be able to recover it again.

DeleteCancel

Make your likes visible on Facebook?

Connect your Facebook account to Prezi and let your likes appear on your timeline.
You can change this under Settings & Account at any time.

No, thanks

Database and DBMS introduction

No description
by

Ion Zaharia

on 8 December 2012

Comments (0)

Please log in to add your comment.

Report abuse

Transcript of Database and DBMS introduction

Shared collection: Defined once and used by all departments within an organisation (“shared”) Logically related: Contains data that is related (branch-staff or between departments) Description of this data: Metadata (system catalog or data dictionary). Informational needs of an organisation Database Management System A software system that enable users to define, create, and maintain the database and provides controlled access to this database DBMS Components Hardware
Software
Data (bridge)
Procedures
People. Relations? Database environment Data administrator
Database administrator
Database designers.
Application programmers
End users Advantages and disadvantages of DBMS ? Advantages: Improved data sharing
Improved data security
Better data integration
Minimized data inconsistency
Improved data access
Improved decision making
Increased end-user productivity Disadvantages Increased costs
Management complexity
Maintaining currency
Frequent upgrade/replacement cycles Yogurt ------------- Database A shared collection of logically related data (and a description of this data), designed to meet the information needs of an organisation. What is a database
Full transcript