Definition
In the simplest terms, a Data Type is the constraint on a data element. It defines the type of data held within the data element. For example, the data element Date of birth is associated with the data type xs:date, which only allows for the input of data in the YYYY-MM-DD format.
Common Data Types
...
Integer
...
String
...
Floating point
...
Character
...
Boolean
...
Enumerated
...
Date
...
The definitions, including rules and constraints for valid values for all Data Types are defined using the following metamodel:
Name: the name of the data type
Description: a description of the data type (if applicable/available)
Type
Simple - e.g. varchar, string, integer
Enumerated - a list of possible values
Reference - reference to another data type/element
Relationships: to other data types or data element (if applicable)
Examples
