User manual

XML Model Glossary
268 PowerDesigner
Derivation of a complex type to extend the values of its base type
A constraint on the set of values of a simple type
An XPath expression that specifies the value (or one of the values) used to
define an identity constraint (unique, key or keyRef)
A global object has a global scope. It has no parent object and can be reused
locally in the model through referenced objects. In a schema, it is directly
linked to the <schema> root element
A set of elements arranged by a group particle (all, choice or sequence)
An indication (all, choice, sequence) on how child elements are related with
their parent element
Identifier (key word) for a model object. It must be unique within the model.
To be XML-valid, it must start by an underscore or a letter, followed by
alphanumeric characters
An indication to specify that element or attribute values must be unique
within their specified scopes
Identifies a namespace whose schema components are referenced by the
current schema
Allows you to include a specified schema file in the target namespace of the
current schema
An identity constraint to specify that an element or attribute value (or set of
values) must be a key within a specified scope. A key means that data should
be unique, not null and always present within a specified scope
An identity constraint to specify that an element or attribute value (or set of
values) corresponds to those of a specified key or unique constraint
Derivation of a simple type to restrict its values to a list of values of a
specified data type
A local object has a local scope, within a parent object. It cannot be reused
elsewhere in the model
Original location for the definition of an object. It should be a URI
A name without a colon (:), beginning with a letter or an underscore
character, and followed by any combination of characters
Allows you to describe the format of non-XML data within an XML model
extension
facet
field
global object
group
group particle
ID
identity constraint
import
include
key
keyRef
list
local object
namespace
no-colon name
(NCName)
notation