XSD Miscellaneous Data Types

Other miscellaneous data types are boolean, base64Binary, hexBinary, float, double, anyURI, QName, and NOTATION.

Boolean Data Type

The boolean data type is used to specify a true or false value.

The following is an example of a boolean declaration in a schema:

An element in your document might look like this:

Note: Legal values for boolean are true, false, 1 (which indicates true), and 0 (which indicates false).

Binary Data Types

Binary data types are used to express binary-formatted data.

We have two binary data types:

• base64Binary (Base64-encoded binary data)
• hexBinary (hexadecimal-encoded binary data)

The following is an example of a hexBinary declaration in a schema:

AnyURI Data Type

The anyURI data type is used to specify a URI.

The following is an example of an anyURI declaration in a schema:

An element in your document might look like this:

Note: If a URI has spaces, replace them with %20.

Miscellaneous Data Types

Restrictions on Miscellaneous Data Types

Restrictions that can be used with the other data types:

• enumeration (a Boolean data type cannot use this constraint)
• length (a Boolean data type cannot use this constraint)
• maxLength (a Boolean data type cannot use this constraint)
• minLength (a Boolean data type cannot use this constraint)
• pattern
• whiteSpace

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