databases

databases

1. definition

   • a organised collection of data

2. advantages of using an electronic database as opposed to a paper based version

3. sorting

   • ascending (a to z,1 to 10)/ descending (z to a, 10 to 1)

4. searching

5. records

   • RECORDS a set of information about one particular person or thing (displayed in ROWS in the table

6. fields these are individual items of data (the names of the fields are in the column headings

7. data types currency,date/time,text,yes/no(boolean),number,multiple,choices

8. hypothesis these are statements that can be proven true or false

   • dirty data this is data enterded into a computer system(such as a database that is obviously wrong)

9. questionaires asking siutable questions, with appropiate answer types : text number