There's an article by Tim Gorman, "The Search for Intelligent Life in the
Cost-Based Optimizer" http://www.evdbt.com/library.htm where he talks about
the CBO having "knowledge about how the four methods of joining tables
operate."
I asked the question because I've only heard of nested loops, sort merge and
hash join. Wondering what the fourth is.
- Greg
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Author: Greg Moore
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