Moving to XML

Identifying the data to store

• The attributes of an element are a namespace
• So are the fields of a table
• If you have one table for every element type
  • and one field in that table for every attribute that element can have
• It's relatively easy
• The real world isn't often like that
  • the overall structure of XML and relational databases are quite different
  • most serious databases have been around a long time, we can't just design them to fit our DTD
  • most DTDs are agreed between large numbers of organisations, we can't just design them to fit our database
  • but it may be coerced with a little help from XSL...

Full text of this presentation | Table of Contents | No Frames Author: Simon Brooke | Copyright © 2001 Simon Brooke Slide 113 of 109