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Understanding Optimizer Statistics With Oracle Database …

Understanding Optimizer Statistics With Oracle Database …

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6 WHITE PAPER / Understanding Optimizer Statistics with Oracle Database 19c Figure 3 demonstrates how the data distribution of the column “COL1” can be encoded and represented using frequency histograms. Chart 1 (on the left) has a column or “bucket” for each value and the height of the column represents the COUNT of that particular value.

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