This thesis presents an approach to enable changes to partially evaluated pipelined Query-Execution Plans (QEPs) at run-time to recover from optimisation mistakes in cardinality estimation according to the absences of accurate statistics. These mistakes may influence an optimiser to select in-efficient QEPs.
| Identifer | oai:union.ndltd.org:bl.uk/oai:ethos.bl.uk:492914 |
| Date | January 2008 |
| Creators | eurviriyanukul, kwanchai |
| Publisher | University of Manchester |
| Source Sets | Ethos UK |
| Detected Language | English |
| Type | Electronic Thesis or Dissertation |
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