What is difference between XML Schema and DTD? - Stack Overflow
2009年10月9日 · 108. Differences between an XML Schema Definition (XSD) and Document Type Definition (DTD) include: XML schemas are written in XML while DTD are derived from SGML syntax. XML schemas define datatypes for elements and attributes while DTD doesn't support datatypes. XML schemas allow support for namespaces while DTD does not.
xml - Referring to a local DTD in Java - Stack Overflow
2016年7月28日 · Didn't know you can reference a dtd inside a jar, but it's a file appart, why not to place it in a path like conf/dtd and keep the lib folder for jars as possible. – Mehdi Commented Oct 29, 2018 at 2:54
xml - What do '|', '?', '+', '*', and ',' mean in a DTD file? - Stack ...
2021年10月31日 · Most of those operators have their usual meaning in computer science as used, for example, in regular expressions, EBNF, etc: a | b means a or b. a? means optionally a. a* means zero or more a. a+ means one or more a. a, b means a sequence of a followed by b. answered Oct 31, 2021 at 17:49. kjhughes. 111k30193261.
xml - What is DTD exactly? - Stack Overflow
2012年2月16日 · Think of it as being a bit like a schema for a database - we're used to the idea that in normal relational databases you can only use columns which have already been declared, and you have to insert the right kind of data in them. Well, a DTD does roughly the same kind of thing for XML documents. Thanks..keeping this analogy in mind, w3schools ...
xml - How to choose between DTD and XSD - Stack Overflow
2012年5月16日 · If you just need a quick little schema to check against, DTD will give you faster performance since there is no XML parsing involved. As I understand it, XSD is derived from DTD so understanding DTD will give a solid foundation for learning XSD, plus point out some of DTD's short comings. answered Mar 5, 2010 at 20:41.
Error -1072896636 "DTD Prohibited" when opening xml file in …
2014年3月14日 · All XML documents rely upon a definition of what fields are allowed to exist and what values are allowed to exist within each of those fields. These are defined within each XML file by linking to either a Document Type Definition ("DTD") or an XML Schema file. My understanding is that Excel 2007 and later do NOT support DTD.
What resources can I use to validate a DTD? - Stack Overflow
2017年10月30日 · 4,470 9 53 74. 1. Any conforming XML parser can be used to check that a DTD conforms to the rules in the XML spec (which is, I assume, what you mean by 'valid' -- DTDs cannot be valid in the sense defined in the XML spec because they aren't XML document instances. Open-source XML validators include xmllint (built on libxml), rxp, and Xerces.
Difference between PCDATA and CDATA in DTD - Stack Overflow
In a DTD, the type of an attribute that contains text must be CDATA. The CDATA keyword in an attribute declaration has a different meaning than the CDATA section in an XML document. In a CDATA section all characters are legal (including <,>,&,' and " characters), except the ]]> end tag. #PCDATA is not appropriate for the type of an attribute ...
How to generate sample XML documents from their DTD or XSD?
134. In recent versions of the free and open source Eclipse IDE you can generate XML documents from DTD and XSD files. Right-click on a given *.dtd or *.xsd file and select "Generate -> XML File...". You can choose which root element to generate and whether optional attributes and elements should be generated.
xsd - DTD or XML Schema. Which one is better? - Stack Overflow
2016年5月31日 · A DTD describes the entire XML document (even if it leaves "holes"); a schema can define portions. XSD has a type system. XSD has a much richer language for describing what element or attribute content "looks like." This is related to the type system. You can put a DTD inline into an XML document, you cannot do this with XSD.