Projection

Outputs the projection of a a relation (table) onto a reduced set of attributes (columns). The output contains all the data values found in the included attributes. Those in the excluded attributes are discarded. Any duplicate tuples (rows) are removed from the output.

Options

Attribute selection
Specify which attributes should be included in the output relation.

Input Ports

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The input relation.

Output Ports

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The output relation resulting from the projection.

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