s/outher join/outer join/
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@ -114,17 +114,17 @@ Notation
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This operation is the combination of a product and a selection. So it
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This operation is the combination of a product and a selection. So it
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is O(|n|*|m|) too.
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is O(|n|*|m|) too.
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2.6 Outher
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2.6 Outer
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This operation is the union of the outer left and the outer right
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This operation is the union of the outer left and the outer right
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join. Makes it O(|n|*|m|) too.
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join. Makes it O(|n|*|m|) too.
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2.7 Outher_left
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2.7 Outer_left
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O(|n|*|m|), very depending on the number of the fields, because they
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O(|n|*|m|), very depending on the number of the fields, because they
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are compared.
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are compared.
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2.8 Outher_right
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2.8 Outer_right
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Mirror operation of outer_lef
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Mirror operation of outer_lef
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