Databases
Data can be: Numbers Words Images Sound Video ICT Department2
Field Each of these is one piece of information about you. name address d.o.b. phone number parent’s names doctor’s name allergies illnesses Each of these different types of information is called a ‘Field’ ICT Department3
Field Student number SurnameFirst name D.O.B.AddressPhone number IllnessesAllergiesDoctor 1042JonesEmma05/04/95123 High Street NutsDr. Brown 1043SmithLouise12/08/9545 Low Road DiabetesDr. Green 1044WhiteSimon26/06/9567 Middle Lane Wasp stings Dr. Yellow field ICT Department4
Record All of the ‘fields’ are put together to make a ‘record’ A ‘record’ is all of the data about one person or one thing. ICT Department5
Record Student number SurnameFirst name D.O.B.AddressPhone number IllnessesAllergiesDoctor 1042JonesEmma05/04/95123 High Street NutsDr. Brown 1043SmithLouise12/08/9545 Low Road DiabetesDr. Green 1044WhiteSimon26/06/9567 Middle Lane Wasp stings Dr. Yellow record ICT Department6
Primary Key/Key Field ICT Department7
Primary Key ICT Department8
Data Types ‘explain’ to the database what type of data to expect in the field ICT Department9