Distributed Query Processing Agenda Recap of query optimization Transformation rules for P&D systems Memoization Queries in heterogenous systems Query evaluation strategies…
* XML Data Management XPath 1.0 Principles Werner Nutt XPath Expressions and the XPath Document Model XPath expressions are evaluated over documents XPath operates on an…
* XML Data Management XPath Principles Werner Nutt XPath Expressions and the XPath Document Model XPath expressions are evaluated over documents XPath operates on an abstract…
Internal nodes are Executed when inputs are ready - Replaced by results + Different representation for the same algebra expression … assumed to be the initial form There…
Internal nodes are Executed when inputs are ready - Replaced by results + Different representation for the same algebra expression … assumed to be the initial form There…
Internal nodes are Executed when inputs are ready - Replaced by results + Different representation for the same algebra expression … assumed to be the initial form There…