Definition
Retention tiers by resolution
Retention becomes continuous: degrade rather than delete.
Worked examples, recomputed
Every number the mechanisms quote for this relationship is recomputed from it, so none of them disagrees with it.
Where it appears
Each mechanism states it in its own names. The general symbol each name stands for is shown with it.
- Specialized Processing Models
What do you build when a query predicate cannot be reduced to a range over an ordered key?