XML Schema

xs:schema🏷️

Ⅰ. Inheritance of existing schema content 🔁

• xs:include
• xs:import
• xs:redefine🏷️ 🔁
  • xs:annotation🏷️
  • xs:simpleType
  • xs:complexType
  • xs:group
  • xs:attributeGroup
• xs:annotation 🔁
  • xs:appinfo🏷️
  • xs:documentation🏷️

Ⅱ. Definitions 🔁

• xs:simpleType 🔂
  • xs:restriction
    1. xs:simpleType
    2. 🔁
       • value ranges xs:minExclusive, xs:minInclusive, xs:maxExclusive, and/or xs:maxInclusive
       • numeric precision xs:totalDigits and/or xs:fractionDigits
       • string length xs:length, xs:minLength, and/or xs:maxLength
       • xs:enumeration
       • xs:whiteSpace
       • xs:pattern
  • xs:list ✅xs:simpleType
  • xs:union 🔁xs:simpleType
• xs:complexType 🔂
  • xs:simpleContent
    • xs:restriction contains the construct below
    • xs:extension contains the construct below
  • xs:complexContent 🔂
    • xs:restriction contains the construct below
    • xs:extension contains the construct below
  • this construct:
    1. ✅ xs:group, xs:all, xs:choice, or xs:sequence
    2. 🔁 xs:attribute and/or xs:attributeGroup
    3. ✅ xs:anyAttribute
• xs:group 🔂
  • xs:all 🔁 xs:element
  • xs:choice 🔁 xs:element, xs:group, xs:choice, xs:sequence, or xs:any
  • xs:sequence 🔁 xs:element, xs:group, xs:choice, xs:sequence, or xs:any
• xs:attributeGroup
  1. 🔁 xs:attribute or xs:attributeGroup
  2. ✅ xs:anyAttribute
• xs:element
  1. ✅ xs:simpleType or xs:complexType
  2. 🔁 xs:unique, xs:key, and/or xs:keyref; each containing
     1. xs:selector
     2. at least one xs:field
• xs:attribute ✅ xs:simpleType
• xs:notation
• xs:annotation🏷️

---

• 🏷️ No optional xs:annotation as the first child only (all others immediately start with an optional xs:annotation as its only allowed position).
• ✅ Optionally contains one of the following.
• 🔁 Optionally contains any combination of the following.
• 🔂 Contains one of the following choices.