Data Mining
Form Design
Data capture
Survey Services
Data Logging
Form Design
Data capture
Survey Services
Data Logging
2. Types of Data
Data comes in many forms, but there some very common types that can represent a wide range of data: Some of these are:
|
|
| Data Type | Explanation | Example |
| Boolean | Can hold one of two values - yes/no; true/false |
Are you employed - yes/no
|
| Integer | Holds whole numbers only (positive and negative) |
Shoe size: 4,5,6,7,8
School years: 7,8,9,10,11,12,13 |
| Real | Holds decimal numbers and fractions | For storing currency e.g. 12.25 (it cannot store the currency symbol) |
| Character | Anything you see on the keyboard |
'b' '7' '@' '%' |
| Text/String | Holds any alphanumeric character, can include numbers and symbols | For storing any text e.g. Name, address, telephone number, postcode |
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