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Combining a large stream with data from a small stream, where values in the small stream will only used once in the result. For each pair of matching records from the data sets, a single record is produced in the output. |
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You have a stream containing all attendees of an upcoming football match and a small stream of people who are banned from attending matches. |
In the below screenshot, 'Source Stream 1' about 2000 records and we want to enrich this data with data from 'Source Stream 2', which contains about 50 records.
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