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Greetings XSL list (my first post)!
Logically, both expressions are equivalent. However, they may perform differently. In our project we use a number of different native XML DBs. The first one was eXist. With that database, using a chain of predicates was much faster then using a single predicate with and operators. Obviously, this is a question of using intermediate result sets or not. Of course, another product or release might optimise the difference away. Michael michael.schaefer@xxxxxxxxxxx http://www.destatis.de
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