DatabasesICT GCSE

Databases

A program that allows you to store large amounts of data in an organised way and allows you to retrieve that data easily

Databases have many advantages: Easier/quicker to enter data Easier to keep up to date Takes up less space Easy to sort/search data

Keywords

Field Contains a single data item

Record Collection of items/fields

Query A search looking for data which meets

certain criteria

Table

ID First Name

Second Name

Age

Student No. Form

001 Jamie Chesterton 15 0225127 10T

002 Sarah Smith 15 0332103 10R

003 Ben Jackson 14 0443504 10V

004 Liz Shaw 15 0943439 10E

005 Peri Brown 15 0340343 10M

006 Barbara Wright 15 0943432 10R

Record

Field

Field Types

Field Name Field Type Field Length

ID Primary Key 3

First Name Text 15

Second Name Text 15

Age Integer 3

Student No. Text 7

Fees Paid Boolean 1

Amount Number 6

Query Search Criteria

Equal to (=) Less than (<) Greater than (>) Less than or equal to (<=) Greater than or equal to (>=)