| Range predicates selectivity | CBO cardinality estimation for range predicates |
| Join Over Histograms | CBO cardinality estimation for equi-joins over columns with histograms collected |
| Distinct Balls | expected number of distinct values when selecting from a bag(urn,box) without replacement (formulae and proofs) |
| Select Without Replacement | CBO's use of the previous formula for cardinality estimation (DISTINCT/GROUP BY, joins) |
| 11g NewDensity | a short note about CBO's "NewDensity" in version 11g |
| NoCOUG SQL Challenge | solving a statistical problem via the FFT implemented using the MODEL clause |