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Sybase XML manual Defining complex types, What is a complex type?

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Defining complex types

Defining complex types

You can only define complex types in a model targeted with XSD.

What is a complex type?

A complex type is a data type definition used to define attributes and child elements of a parent element. It is a template for a data type definition that can be reused and derived by extension or restriction.

A complex type has a global scope when it has no parent element in the diagram and when it is directly linked to the <schema> tag. It can then be reused or derived, by extension or restriction, in other parts of the schema.

It has a local scope when integrated into an <element> tag. It applies only to its containing element.

Example of a complex type in a diagram:

HighDefinition is a global complex type, reused as data type for the deluxeTV element.

Generated schema:

92	PowerDesigner

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Sybase XML manual Defining complex types, What is a complex type?

Contents

Sybase PowerDesigner 11.1Last Revised June Contents Managing external shortcuts through references and data 100101 102Working with an XML model 139 Why reverse engineer an XSD, a DTD or an XDR How to reverse engineer an XSD, a DTD or an XDR169 Mapping XML Model objects to OOM objects 171Exchanging data with databases supporting XML 215 ViiViii Documentation primer SubjectAudience Conceptual Data Model User’s Guide To work with the CDM Physical Data Model User’s GuideObject Oriented Model Getting Started Business Process Model User’s GuideBeforeInsertTrigger template Typographic conventions BibliographyXii Contents XML Model BasicsFunctional overview What is an XML model? Demo modelsAbout XML Objects in an XML model Tool Object Description XSDObjects in a diagram Tool Element symbol Group symbol Complex type symbol Tool Sequence symbol Choice symbol All symbolAll Not certified resource file Defining the XML model environmentChoosing the XML language of an XML model Language Description Changing the XML language of an XML model™ To change the XML language of an XML model Changes concerning simple and complex types Selecting extended model definitions at model creation Option DescriptionDefining model options XML model extended dependencies ™ To define XML model optionsDefining the XML model environment ™ To define the properties of an XML model Defining an XML modelDefining model properties Model General Property DescriptionModel Detail Tool Tooltip Description Model ItemsButton Moves item Model External Schemas Model Namespaces XML Model Basics Creating an XML model Model PreviewCreating an XML model using the New model option ™ To create a new XML model using the New model optionDefining an XML model List of templates Opening an existing XML model Detaching an XML model from the workspace™ To open an existing XML model ™ To detach an XML model from a workspaceSaving and closing an XML model Saving an XMLModel Closing an XML modelDefining an XML model Building an XML model XML diagram basics Defining an XML diagramWhy build an XML diagram? Expand/Expand All/Collapse/Arrange Symbols features Creating an XML diagramGroup Symbols feature Defining elements Defining element properties Element general properties Global and local elements in XDR filesDefining elements XDR files Property orElement detail properties Element attributes properties Building an XML modelElement Sources Element constraints propertiesElement mapping properties ™ To create an element from the palette Creating an elementAttributes Mapping Defining elements How to link a child object to an element? Tool Action ResultDefining the attributes of an element Pointer indicationsBuilding an XML model Attribute general properties Global and local attributes in XDR filesDefining attributes Attribute detail properties Attribute values™ To add an attribute to an element Adding an attribute to an elementElement values with XDR Preference Description Modifying element display preferencesLinking child elements to a parent element Group particle Value of the order attribute in XDR Defining group particlesGroup particles Group particles properties Items listCreating a group particle ™ To create a group particle from an element property sheetName and code uniqueness From the paletteHow to link a child object to a group particle? Clicking an element symbol with the Element toolDefining Any properties Any general properties ™ To create an Any Modifying the Any display preference Defining Any Attribute propertiesFor example Any Attribute general properties Defining identity constraints Defining a unique constraintUnique general properties Unique fields propertiesDefining a key constraint Key fields properties Defining a keyRef constraintKey general properties Defining identity constraints KeyRef fields properties Creating an identity constraintKeyRef general properties Defining an identity constraint selector XPath abbreviated syntax Syntax DescriptionDefining selector general properties ™ To display a selector property sheetDefining an identity constraint field Defining field general properties ™ To create an identity constraint fieldBuilding an XML model Defining groups Defining a group of elementsDefining group properties Groups in DTD and XDR files Creating a group of elements ™ To create a group of elements from the paletteDefining groups How to link a child object to a group of elements? Modifying the group display preference Defining a group of attributesDefining attribute group properties Attribute group general propertiesProperties Attribute groupAttributes Creating an attribute group ™ To create an attribute group from the Browser tree viewDefining groups References Data typesExample of shortcuts through a reference and a data type Type of derivation Description What is a simple type?Defining simple types Defining simple type properties Modifying the simple type display preferenceCreating a simple type ™ To create a simple type from the Browser tree viewBuilding an XML model What is a complex type? Defining complex typesDefining complex type properties Complex type general propertiesComplex type detail properties Complex type attributes propertiesComplex type mapping properties Complex TypeSources Icon Tool DescriptionModifying complex type display preferences Creating a complex type™ To create a complex type from the palette How to link a child object to a complex type? Pointer indications Defining simple content properties Simple content™ To create a simple content General propertyDefining complex content properties Complex content™ To create a complex content General propertiesDefining derivations Deriving by extensionDerivation in element property sheet 102103 Defining extension™ To define a derivation by extension 104 Deriving by restrictionRestriction on a simple type Defining restriction facets Restriction generalRestriction detail 105Facet general RestrictionEnumerations 106Restriction patterns 107108 Creating a restriction on a simple type™ To create a restriction on a simple type 109 110 Restriction on a complex type Enumeration and Pattern facets™ To create a restriction on a complex type 111Deriving by list 112113 Deriving by union™ To define a simple type derivation by list Union general Union types™ To define a simple type derivation by union 114Defining annotations 115Defining annotation properties Defining documentation propertiesAnnotation general property Annotation items propertiesDocumentation content Defining application information propertiesDocumentation general properties Application information general properties118 Application information contentCreating an annotation 119 120 Defining notationsDefining notation properties 121 Creating a notation™ To create a notation from the Browser tree view Defining entities Defining entity properties122 Entity name Reference Value123 Creating an entity™ To create an entity from the Browser tree view 124 Defining import, include and redefine Defining an importDefining import properties Import general126 Creating an import™ To create an import from the Browser tree view Defining an include Defining include propertiesInclude general 127Defining a redefine Creating an include™ To create an include from the Browser tree view 128129 Defining redefine propertiesRedefine general Creating a redefine Redefine items™ To create a redefine from the Browser tree view 130131 What is a business rule? Defining business rulesDefining business rule properties Business rule general propertiesCreating a business rule Business rule expression property133 Type Description Example™ To create a business rule from the List of Business Rules 134Applying a business rule to an XML object 135™ To apply a business rule to an XML object 136Column in the List of business rules 137138 Working with an XML model 139Levels of problem severity Checking an XML modelXML model check options 140Selecting objects in the diagram XML model object selection in the Check ModelAutomatic correction 141142 Checking an XML model™ To check an XML model Selecting all or clearing all check boxes 143™ To display errors and warnings selected in the last check Displaying previously applied check options in an XML modelDockable result window 144Making corrections based on XML model check results Display the Check toolbarContextual menu 145Making manual corrections to an XML model Making automatic corrections to an XML model™ To make manual corrections to an XML model ™ To make automatic corrections to an XML modelXML Model objects verified by Check Model Group particle checkExistence of particle Invalid cardinalityModel check Identifier uniquenessUndefined identifier Shortcut code uniquenessBusiness rule check in an XSM Data source checkMissing namespaces Business rule name and code uniquenessFile check Data source name and code uniquenessExistence of model 150Entity check Embedded file name uniquenessExistence of external file location Entity name and code uniquenessComplex type check Include checkSimple type check Element check Existence of attributeElement name and code uniqueness Undefined typeUndefined reference 154155 Group checkGroup name and code uniqueness Attribute check Notation checkAttribute name and code uniqueness 156Attribute group check Notation name and code uniquenessUndefined notation Attribute group name and code uniquenessUndefined schema location and namespace Import checkRedefine check Existence of attributesKey check Existence of componentKey name and code uniqueness Existence of fields160 KeyRef checkKeyRef name and code uniqueness 161 Unique checkUnique name and code uniqueness Extended object check Extended link checkExtended object name and code uniqueness Extended link name and code uniquenessReplication check Extension checkRestriction check Partial object replication164 Simple type list checkExistence of facet Simple type union check Annotation checkExistence of items 165Mapping objects in an XML model Understanding object mappingDefining data sources in an XML model 166Data source properties in an XML model Creating a data source in an XML model™ To create a data source in an XML model 167168 Mapping XML Model objects to PDM objects Mapping elements169 XML Model object PDM objectTool Description Mapping complex types170 XML Model object OOM object Mapping XML Model objects to OOM objects171 172 Creating a mapping for an XML object™ To create a mapping for an element 173 Create From Sources and Generate Mapping tools 174175 Modifying the mapping of an attribute™ To modify the mapping of an attribute Manipulating XML objects graphically Local objectsMove 176Global objects Example converting a local object into a global object™ To convert a local object into a global object Drag and dropAfter conversions 178Comparing and merging XML models 179Generating an XML model from a Physical Data Model Generating XML Model objects180 PDM object Generated object in an XML modelGenerating and updating an XML model XML model naming conventionsGenerate new XML 181Update existing Defining XML model generation optionsXML model Clearing the Preserve modifications check boxCheck model before generation 183184 Generating a new XML model from a PDM™ To generate a new XML model from a PDM Updating an existing XML model Generating an XML model from a package185 Preserve modifications Result186 ™ To update an existing XML model by generating from a PDMPreserve modifications Merging models 187OOM Object Generated object in an XML model Generating an XML model from an Object- Oriented Model188 189 190 191 192 Generating a new XML model from an OOM™ To generate a new XML model from an OOM 193 ™ To update an existing XML model by generating from an OOM 194195 What is a report? Editing an XML model reportCreating an XML model report ™ To create a model report197 198 Inserting diagramLanguage in a template 199 200 201 Why generate an XSD file? Why generate a DTD file?Why generate an XDR file? Generating an XSD, a DTD or an XDR fileDefining generation parameters Check modelDefining generation targets 203Using the Move up or down arrows Defining generation optionsDefining generation tasks 204How to generate an XSD, a DTD or an XDR file? Parameter entities during DTD generation205 Model targeted with Generated file206 207 What is reverse engineering? Why reverse engineer an XSD, a DTD or an XDR file?How to reverse engineer an XSD, a DTD or an XDR file? Reverse engineering an XSD, a DTD or an XDR fileReverse engineering options Reverse engineering target modelsReverse engineering to a new XML model Convert Unique References210 211 Reverse engineering to an existing XML model 212Auto-layout 213214 Exchanging data with databases supporting XML 215Why use XML in databases? 216217 Generating an annotated schema for Microsoft SQL ServerMapping XML objects to PDM objects 218 219 220 221 Extended model definitions 222Annotated schema preview 223224 Reinforcing mapping with extended attributes 225226 Annotation Description227 228 229 230 Generating an annotated schema for Oracle™ To generate an annotated schema for Oracle 231 232 233 234 235 236 Generating a DAD file for IBM DB2 ™ To generate a DAD file for IBM DB2237 Type of storage Type of mapping DescriptionGenerating a DAD file for IBM DB2 238239 240 241 242 DAD file preview 243244 Extended attribute Description245 246 247 248 249 Generating SQL/XML queries™ To generate SQL/XML queries Generating SQL/XML queries 250251 252 253 254 Generating from an XML model 255Generation basics Target models parameters256 Generation option DescriptionGenerating from an XML model 257258 259 Why generate an XML model from an XML model?Generating an XML model from an XML model Generating an XML model from an XML model 260Generating a new XML model from an XML model 261™ To generate a new XML model from an XML model 262Updating an existing XML model 263264 265 266 267 268 XSM User’s Guide 269 Union UniqueXML language XPathIndex 271PowerDesigner 272273 274 IBM DB2275 276 277 XML278