# Fuzzy matching components

| [tBlockedFuzzyJoin (deprecated)](https://help.qlik.com/talend/r/en-US/7.2/data-matching/tblockedfuzzyjoin--deprecated) | Helps ensuring the data quality of any<br>source data against a reference data<br>source. |
| --- | --- |
| [tFuzzyJoin (deprecated)](https://help.qlik.com/talend/r/en-US/7.2/data-matching/tfuzzyjoin--deprecated) | Joins two tables by doing a fuzzy match on several columns, comparing columns from<br>the main flow with reference columns from the lookup flow and outputting the main flow data<br>and/or the rejected data. |
| [tFuzzyMatch](https://help.qlik.com/talend/r/en-US/7.2/data-matching/tfuzzymatch) | Compares a column from the main flow with a reference column from the lookup flow and<br>outputs the main flow data displaying the distance. |
| [tFuzzyUniqRow](https://help.qlik.com/talend/r/en-US/7.2/data-matching/tfuzzyuniqrow) | Compares columns in the input flow by using a defined matching method and collects<br>the encountered duplicates. |