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tJoin

tJoin joins two tables by doing an exact match on several columns. It compares columns from the main flow with reference columns from the lookup flow and outputs the main flow data and/or the rejected data.

This component helps you ensure the data quality of any source data against a reference data source.

Check following job post for better use case.

Difference between tMap and tJoin

January 9, 2015 Umesh  Talend Open Studio  tJoin, tMap, tMap vs tJoin  7 Comments

tMap is frequently used component for joins and lookup purpose, it is also use for verity of operations and transformations, whereas tJoin is used for join and lookups only. tMap tJoin It accepts more than one input one is main and rests of the lookups. It accepts only two inputs and only one is main […]

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