Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
15 Cards in this Set
- Front
- Back
is a structural described in a formal language. The formal definition of database schema is a set of formulas called integrity constraints imposed on a database.
|
Schema
|
|
is a database that has a collection of tables of data items, all of which is formally described and organised according to the relational model.
|
Relational Database
|
|
This key identifies each record in the table. It can be either a normal attribute that is guaranteed to be unique.
|
Primary Key
|
|
They are a personal website on which a individual person keeps records opinions, links to the other sites, etc on a regular basis.
|
Blogs
|
|
This is a website that allows collaborative editing of its content and its structure.
|
Wikis
|
|
This is a location that is connected to the internet that has one or more pages on the World Wide Web.
|
Website
|
|
These boards is a surface intended for posting public messages and to advertise items wanted or for sale, announce events, or provide information.
|
Bulletin Boards
|
|
Is where ideas and views on a particular issue can be exchanged.
|
Forums
|
|
A table that comprehensively describes each field in the database, examples of fields in the data dictionary are field name, data type, field size, description and examples.
|
Data Dictionary
|
|
The process of organising data into tables as to reduce data redundancy and improve storage space.
|
Normalisation
|
|
Used to illustrate the layout of a webpage with the different media elements and navigation links.
|
Storyboards
|
|
A software package that allows access to a database to enter, edit, maintain and view data.
|
Database Management System
|
|
Data that describes data.
|
Metadata
|
|
Something used to view, enter and change data in a table.
|
Forms
|
|
An attribute that is a primary key in another table
|
Foreign Key
|
