Recursion in XQuery: put your distributivity safety belt on

  title={Recursion in XQuery: put your distributivity safety belt on},
  author={Loredana Afanasiev and Torsten Grust and Maarten Marx and Jan Rittinger and Jens Teubner},
We introduce a controlled form of recursion in XQuery, an inflationary fixed point operator, familiar from the context of relational databases. This operator imposes restrictions on the expressible types of recursion, but it is sufficiently versatile to capture a wide range of interesting use cases, including Regular XPath and its core transitive closure operator. While the optimization of general user-defined recursive functions in XQuery appears elusive, we describe how inflationary fixed… CONTINUE READING


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SQL: 1999 - Understanding Relational Language Components

  • Jim Melton, Alan R. Simon
  • 2002
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