| XML Model Glossary |
qualified name | A name beginning with a prefix and a colon (:). The prefix is associated with |
(QName) | a namespace URI. For example: xs:schema, xs being associated with |
| http://www.w3.org/2001/XMLSchema |
RDB | Relational database. A database organized in terms of relations between data |
redefine | Allows you to redefine simple and complex types, groups and attribute |
| groups from an external schema file in the current schema |
reference | A property to define a local object by reference to a global object. The |
| referenced (local) object has the same properties as the reference (global) |
| object |
restriction | Derivation of a simple type or a complex type to restrict the values of their |
| base type |
reverse- | Process of examining and recovering data or source code from a file that is |
engineering | then used to build or update an XML model |
schema | Diminutive for XML Schema or XML Schema Definition (XSD). It defines |
| the structure and data types of an XML document |
scope | Sphere of action of an object. It can be local (within a parent object) or |
| global (within a model) |
selector | An XPath expression that selects a set of elements for an identity constraint |
| (unique, key or keyRef) |
| For more information on XPath expressions, see section Defining an |
| identity constraint selector in chapter Building an XML model |
sequence | A group particle indicating that child elements must appear at least once in |
| the order of their declaration |
simple content | Allows you to extend or restrict the values of a complex type supporting |
| character data or a simple type |
simple type | A data type definition for the value of elements or attributes with |
| content |
SQLX | XML extension of the Structured Query Language |
stereotype | |
| its structure. It can be predefined or |
target namespace | Namespace of all the schema elements in the model. Its name is a URI which |
| does not refer to any file but only to an assigned name. A prefix can be |
| assigned to the namespace. All the schema elements with this prefix in their |
| |
type | Data type. It can be predefined or |
XSM User’s Guide | 269 |