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| Interface Summary | |
|---|---|
| MinimumUnionLeftOuterJoin | Indicates a special kind of DyadicJoin. |
| UnionSimplification | Returns either relation 1 or relation 2 if one is the identity of the other or other DEE or DUM. |
| Class Summary | |
|---|---|
| MinimumUnionFullOuterJoinImpl | A full minimum union outer join is the result of a left minimum union outer join unioned with relation 2. |
| MinimumUnionImpl | |
| MinimumUnionLeftOuterJoinImpl | |
| OuterUnionEngine | |
| OuterUnionImpl | |
| SubsumptionEngine | |
| UnionSimplificationImpl | |
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