Data Structure

Data Structure

1. Database

   • organise Data

2. files

   • collection of records

3. Records

   • Collection of files

4. Flat File

   • One Table

5. Relational

   • Two or more tables

6. Fields

   • Age
   • Name
   • D.O.B
   • Telephone
   • Email
   • Boolean
   • Characters
   • Numbers
   • Letters
   • Yes/no
   • Fields have 7types