Cart
[Home] [By Thread] [By Date] [Recent Entries]
This is a very FAQ... see for starters: http://xml.coverpages.org/topics.html#elementsAndAttrs Elements versus attributes - How do I decide? http://xml.coverpages.org/elementsAndAttrs.html SGML/XML: Elements versus Attributes. When Should I Use Elements, and When Should I Use Attributes? Robin Cover --------------------------------------------------------------------------- On Wed, 16 May 2001, Conder, Tom D (N-MAXIM Group) wrote: > Is there a good reference on the Web offering advice about various design > decisions I have to make while developing a DTD (or XMLSchema)? > > For example, it is not immediately obvious when to use attributes and when > to make an element a complex type. > > Suppose we want to make an XML file whose structure supports currency. Which > is better? > > 1) a simple type with an attribute > > <currency type="USDollar"> > 10 > </currency> > > 2) a complex type with no attribute > > <currency> > <type>USDollar</type> > <value>10</value> > </currency> > > 3) a simple type with two attributes > > <currency type="USDollar" value="10"/> > > Is there a simple rule of thumb to apply to the use of attributes? > > Tom Conder - Contractor, Lockheed Martin Mission Systems > 1035 Eastgate Drive > O'Fallon IL 62269 > (618) 628-2051 > > ------------------------------------------------------------------ > The xml-dev list is sponsored by XML.org, an initiative of OASIS > <http://www.oasis-open.org> > > The list archives are at http://lists.xml.org/archives/xml-dev/ > > To unsubscribe from this elist send a message with the single word > "unsubscribe" in the body to: xml-dev-request@l... >
|
