Interleaving Query Transformations For XML Indexes
First Claim
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1. A method of transforming a query, comprising:
- applying a view merge to said query; and
after applying a view merge to said query, applying a XML index rewrite to said query.
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Abstract
During query optimization, XML index and view merge transformations may be interleaved.
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Citations
9 Claims
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1. A method of transforming a query, comprising:
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applying a view merge to said query; and after applying a view merge to said query, applying a XML index rewrite to said query. - View Dependent Claims (2, 3, 4, 5)
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6. A method of transforming a query, comprising:
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applying an XML index rewrite to said query; after applying said XML index rewrite to said query, applying a view merge to said query; and after applying a view merge to said query, applying another XML index rewrite to said query. - View Dependent Claims (7, 8, 9)
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Specification