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Unary
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1
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1:1
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Tuple level 1:1 transformation which includes most operations in the DW domain for which the every output tuple corrosponds to a single input tuple
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Unary
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2
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N:1
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Tuple level N:1 where a combination of N input tuples produce a single output tuple, e.g Aggregates
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Unary
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3
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1:N
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Tuple level 1:N: a single input tuple is transformed into more N tuples, e.g Unpivoting/unfolding
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N-Ary
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M:1
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Relation level: M Relations are combined to produce a single new Relation
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Router
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1:M
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Relation level: a single input relation is transformed to M output relations based on a certain condition
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