Data Types

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  • Data Types
    • Text (a.k.a alphanumeric string)
      • This type of data can be any character, punctuation mark, letter or number
      • Used to store telephone numbers, names
    • Date
      • This type of data indicates a date or time
      • Used to store dates of birth, dates of events
    • Interger
      • This type of data is a whole number
      • Used to store quantities of stock
    • Real
      • This type of data is a number with a decimal point and some decimal places after the point
      • Used to store prices
    • Boolean (a.k.a logical)
      • A binary variable that can have one of two possible values, 0 (false) or 1 (true)
      • Used to store gender, Yes or No answers in qustionnaires
    • Image
      • This can hold a graphical image
      • Used to store photos


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