What s the difference between xsd include and xsd import

Question

What s the difference between xsd include and xsd import   When would you use one instead of the other  and when might it not matter

User · Answer

Another difference is that  lt import gt  allows importing by referring to another namespace   lt include gt  only allows importing by referring to a URI of intended include schema  That is definitely another difference than inter-intra namespace importing   For example  the xml schema validator may already know the locations of all schemas by namespace already  Especially considering that referring to XML namespaces by URI may be problematic on different systems where classpath    means nothing  or where http    isn t allowed  or where some URI doesn t point to the same thing as it does on another system   Code sample of valid and invalid imports and includes   Valid    lt xsd import namespace  some name space   gt   lt xsd import schemaLocation  classpath   mine xsd   gt    lt xsd include schemaLocation  classpath   mine xsd   gt    Invalid    lt xsd include namespace  some name space   gt

User · Answer

I m interested in this as well   The only explanation I ve found is that xsd include is used for intra-namespace inclusions  while xsd import is for inter-namespace inclusion

User · Answer

Use xsd include to bring in an XSD from the same or no namespace   Use xsd import to bring in an XSD from a different namespace

User · Answer

The fundamental difference between include and import is that you must use import to refer to declarations or definitions that are in a different target namespace and you must use include to refer to declarations or definitions that are  or will be  in the same target namespace   Source  https   web archive org web 20070804031046 http   xsd stylusstudio com 2002Jun post08016 htm

User · Answer

Direct quote from MSDN   lt xsd import  Element  Remarks section     The difference between the include element and the import element is that import element allows references to schema components from schema documents with different target namespaces and the include element adds the schema components from other schema documents that have the same target namespace  or no specified target namespace  to the containing schema  In short  the import element allows you to use schema components from any schema  the include element allows you to add all the components of an included schema to the containing schema

User · Answer

Use xsd include brings all declarations and definitions of an external schema document into the current schema    Use xsd import to bring in an XSD from a different namespace and used to build a new schema by extending existing schema documents

[xml] What's the difference between xsd:include and xsd:import?

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