15、Rewriting Regular XPath Queries

Rewriting Regular XPath Queries

1. Introduction

In today’s world of data exchange and management, XML has become the de facto standard for representing and exchanging structured data. One critical aspect of managing XML data is ensuring that queries over XML views are both secure and efficient. This involves rewriting XPath queries to operate correctly on XML views without exposing underlying data structures. This article explores the challenges and techniques involved in rewriting Regular XPath queries on XML views.

2. Importance of Query Rewriting

When working with XML views, it’s essential to rewrite queries to ensure they adhere to the view’s definition and security policies. This process ensures that users can only access data that the