or X ML/SQL Query Translation Using Indexing With Caching Approach

SQL/XML has gained increasing interest whenever relational data has to be transformed to XML data, which is transferred, stored, or further processed in systems. The performance of query process ing in a relational XML storage system is closely related to the query translation technique employed in the query mapping stage. For efficiently querying XML documents, many indexing methods have bee proposed. In this paper ,study and analysis of four approaches regarding XML/SQL query translation are focused like query translation using intelligent path dev iation ,query translation using interval encoding ,query evaluation using double indexes and ge neralizing and improving SQL/XML query Each method have its own advantage and drawbacks. survey these method s and propose an efficient twice indexing with caching which provides furth er modification to these methods and provides efficient query processing technique