Database Systems
Definition of a database
Candidates should be able to define a database as a large collection of data items and links between them, structured in such a way that allows it to be accessed by a large number of different applications programs.
Advantages and disadvantages of a database approach over flat files
Database security
Candidates should be able to define a database as a large collection of data items and links between them, structured in such a way that allows it to be accessed by a large number of different applications programs.
Advantages and disadvantages of a database approach over flat files
Database security
- hierarchy of passwords
- storage of data separate to programs
Resources
databases.pptx |