Element |
Explanation |
all |
Specifies that the child elements can appear in any order. Each child
element can occur 0 or 1 time |
annotation |
Specifies the top-level element for schema comments |
any |
Enables the author to extend the XML document with elements
not specified by the schema |
anyAttribute |
Enables the author to extend the XML document with attributes not specified
by the schema
|
appinfo |
Specifies information to be used by the application (must
go inside annotation) |
attribute |
Defines an attribute |
attributeGroup |
Defines an attribute group to be used in complex type
definitions |
choice |
Allows only one of the elements contained in the <choice>
declaration to be present within the containing element |
complexContent |
Defines extensions or restrictions on a complex type that
contains mixed content or elements only |
complexType |
Defines a complex type element |
documentation |
Defines text comments in a schema (must go inside
annotation) |
element |
Defines an element |
extension |
Extends an existing simpleType or complexType element |
field |
Specifies an XPath expression that specifies the value used
to define an identity constraint |
group |
Defines a group of elements to be used in complex type
definitions |
import |
Adds multiple schemas with different target
namespace to a document |
include |
Adds multiple schemas with the same target
namespace to a document |
key |
Specifies an attribute or element value as a
key (unique, non-nullable, and always present) within the containing element
in an instance document |
keyref |
Specifies that an attribute or element value correspond to
those of the specified key or unique element |
list |
Defines a simple type element as a list of values |
notation |
Describes the format of non-XML data within an XML document |
redefine |
Redefines simple and complex types, groups, and attribute
groups from an external schema |
restriction |
Defines restrictions on a simpleType, simpleContent, or a
complexContent |
schema |
Defines the root element of a schema |
selector |
Specifies an XPath expression that selects a set of
elements for an identity constraint |
sequence |
Specifies that the child elements must appear in a sequence. Each child
element can occur from 0 to any number of times |
simpleContent |
Contains extensions or restrictions on a text-only complex type or on a simple type as content and contains no elements |
simpleType |
Defines a simple type and specifies the constraints and
information about the values of attributes or text-only elements |
union |
Defines a simple type as a collection (union) of values
from specified simple data types |
unique |
Defines that an element or an attribute value must be
unique within the scope |