Lookup

Lookup

Lookup

Description

Lookup helps you to match values of specified fields in two data sources.

Why to use

To compare values in data sources.

When to use

To determine the presence of a particular field from one data source in another data source.

When not to use

When the data sources do not contain any common fields.

Prerequisites

No prerequisites; it can be applied to any data source.

Input

Two data sources containing one or more common fields.

Output

Based on the option selected for the If non matching records found? property, matching/non-matching records are returned, or task fails.

Statistical Methods used

—

Limitations

No limitations; it can be applied to any data.


The Lookup functionality in Rubiscape allows you to connect two data sources and compare them based on certain conditions.

Lookup checks all the values in the given data sources and matches the records from one data source to another for the selected fields.

Lookup is not a stand-alone activity; it is to be connected to a predecessor. The predecessor can be a dataset or output obtained from any data pre-processing node. In the Lookup properties, you can specify the dataset to which you want to compare the values of the predecessor of Lookup.

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