Answer Posted / harish
The DOM is a tree based mechanism that allows u to load or
create an XML document,gather errors if any: access and
manipulate the information and structures contained within
the document and save the document back out to an XML file
if necessary. Construcing the DOM requires reading the
entire XML structure and holding the object tree in
memory,so it is much more CPU and memory intensive.
the SAX is an event-driven ,serial-access mechanism for
accesing XML documents. SAX is the fastest and least memory
intensive mechanism that is currently available for dealing
with XML documents.
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