Updating recursive xml views of relations
TS_220.127.116.11 LTS HF-002: Hotfix for TIBCO Spotfire® 7.11.x (Released: February 14, 2018) TS-52922 - Filtering of Row Id() expression based calculated column using List Box filter gives wrong filtered output.TS-52446 - Custom Visuals can cause crash when saving/exporting analysis.On the relational side, we propose a mild condition on SPJ views, and show that under this condition the analysis of deletions on relational views becomes PTIME while the insertion analysis is NP-complete.We develop an efficient algorithm to process relational view deletions, and a heuristic algorithm to handle view insertions.
course1 db course2 This paper investigates the view update problem for XML views published from relational data.
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We consider (possibly) recursively defined XML views, compressed into DAGs and stored in relations.
We provide new techniques to efficiently support XML view updates specified in terms of XFath expressions with recursion and complex filters.
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