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--- notes:xml_schema_cheat_sheet [2026/07/22 09:55]
114.119.135.121 old revision restored (2026/05/29 05:38)
+++ notes:xml_schema_cheat_sheet [2026/07/24 19:06] (current)
181.78.86.234 old revision restored (2026/06/25 22:05)
@@ Line 41: / Line 41: @@
   * By default an attribute is optional, to make it required add  use="required" .
-==== Facets / Restrictions ====
+==== XML Facets / Restrictions ====
   * XML Facets are restrictions on the acceptable values for elements or attributes.
@@ Line 150: / Line 150: @@
 </xs:complexType></code>
+==== XSD Element Indicators ====
-==== Element Indicators ====
   * Indicators control how elements are to be used within a complex element. There are three types of indicators: order indicators, occurrence indicators and group indicators
@@ Line 175: / Line 174: @@
 <xs:group ref="persongroup"/></code>
- * An Attribute group is similar for example. <code>
+* An Attribute group is similar e.g. <code>
 <xs:attributeGroup name="personattrgroup">
   <xs:attribute name="firstname" type="xs:string"/>
   <xs:attribute name="lastname" type="xs:string"/>
-</xs:attributeGroup></code> A reference to the attribute group in a complex type would look like : <code>
+</xs:attributeGroup></code> A reference to the attribute group in a complex type would look like :<code> <xs:attributeGroup ref="personattrgroup"/> </code>
- <xs:attributeGroup ref="personattrgroup"/> </code>
-  * Using <xs:any /> as an element allows elements not specified in the schema to occur.
-  * Using <xs:anyAttribute/> in a complex type allows use of attributes not specified by the schema.
-  * A substitution group allows other elements to substitute for the first. The head elemenet must be a global element (a direct child of the schema element) e.g. <code>
-<xs:element name="name" type="xs:string"/>
-<xs:element name="navn" substitutionGroup="name"/>
-</code> Substitution can be blocked with <code><xs:element name="name" type="xs:string" block="substitution"/></code>
-==== Data Types ====
-=== String Data Types ===
-  * Apart from xs:string there are two other string stypes :
-    * xs:normalizedString - No CR, LF or TAB characters are allowed
-    * xs:token - No CR, LF or TAB characters are allowed, no leading or trailing spaces are allowed, no sequences of more than one space is allowed
-  * There are many other types derived from string e.g. NMTOKEN, QName, ID, IDREF. The following restrictions can be used with string types
-    * enumeration
-    * length
-    * maxLength
-    * minLength
-    * pattern (NMTOKENS, IDREFS, and ENTITIES cannot use this constraint)
-    * whiteSpace
-=== Date Data Types ===
-  * date data type is used to specify a date in the format "YYYY-MM-DD" where all components are required.
-  * A time data type must be specified in the following format "hh:mm:ss" where all components are required.
-  * A dateTime datatype must be specified in the following format "YYYY-MM-DDThh:mm:ss" e.g. 2002-05-30T09:00:00
-  * A timezone can be added to a date/time/dateTime by adding a Z (for UTC) or a signed offset at the end e.g. 2002-09-24Z , 2002-09-24+06:00
-  * A duration data type must be specified in the following format "[-]PnYnMnDTnHnMnS" P is required, T is required if any time component is used and the other parts are optional e.g. P5Y, P5Y2M10DT15H, -P1Y
-  * This is a list of all date types.
-^ Type ^     Description                    ^
-| date | Defines a date value ("YYYY-MM-DD")|
-|dateTime 	|Defines a date and time value ("YYYY-MM-DDThh:mm:ss")|
-|duration 	|Defines a time interval ([-]PnYnMnDTnHnMnS)|
-|gDay 	|Defines a part of a date - the day (DD)|
-|gMonth 	|Defines a part of a date - the month (MM)|
-|gMonthDay 	|Defines a part of a date - the month and day (MM-DD)|
-|gYear 	|Defines a part of a date - the year (YYYY)|
-|gYearMonth 	|Defines a part of a date - the year and month (YYYY-MM)|
-|time 	|Defines a time value ("hh:mm:ss") |
-  * The following restrictions  can be used with Date data types:
-    * enumeration
-    * maxExclusive
-    * maxInclusive
-    * minExclusive
-    * minInclusive
-    * pattern
-    * whiteSpace
-=== Numeric Data types ===
-=== Other Data Types ===

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