Article:		What Is XQuery
Subject:		Performance on large datasets?
Date:		2002-12-18 21:55:28
From:		Larry Leeth
I'm investigating the feasibility of using XML documents for long-term archival of DB records. In addition to storing the data, a mechanism must be provided to perform searches/queries on the XML generating reports. Over a period of months/years, the volume of XML data could exceed 100's of millions or records and many gigabytes of data. Since there is no equivalent of a DB index to limit the number of records that must be processed, what are the performance parameters of XML queries/searches? Is this a reasonable choice - given that queries/searches will need to be supported? Larry Leeth lal@qad.com

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