Databases

Databases

1. Features

   • Report
     • Output of data from a database
   • Form
     • Input of data into a databse
   • Query
     • Allows the user to search the database

2. Key words

   • Referential integrity
     • Ensure things in related databases are the same
   • Database
     • A persistent, organised store of data
   • DBMS
     • Database management system
   • Entity
     • A real life object data is stored about
   • Table
     • A set of data elements
   • Relationship
     • A link between two tables

3. A user should be able to

   • Create
   • Read
   • Update
   • Delete