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:
<xs:attribute name="disabled" type="xs:boolean"/>
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An element in your document might look like this:
<prize disabled="true">999</prize>
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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:
<xs:element name="blobsrc" type="xs:hexBinary"/>
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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:
<xs:attribute name="src" type="xs:anyURI"/>
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An element in your document might look like this:
<pic src="http://www.w3schools.com/images/smiley.gif" />
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Note: If a URI has spaces, replace them with %20.
Miscellaneous Data Types
| Name |
Description |
| anyURI |
|
| base64Binary |
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| boolean |
|
| double |
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| float |
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| hexBinary |
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| NOTATION |
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| QName |
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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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