# tMap related topics

### In this section

* [Preparing an example file](https://help.qlik.com/talend/en-US/components/7.3/tmap/preparing-example-file?id=6245)
* [Converting columns to rows](https://help.qlik.com/talend/en-US/components/7.3/tmap/converting-columns-to-rows?id=6246)
* [Executing the Job](https://help.qlik.com/talend/en-US/components/7.3/tmap/executing-job?id=6247)
* [The differences between Unique match, First match and All matches](https://help.qlik.com/talend/en-US/components/7.3/tmap/differences-between-unique-match-first-match-and-all-matches)
* [Similarities and differences between a tJoin and a tMap component?](https://help.qlik.com/talend/en-US/components/7.3/tmap/similarities-and-differences-between-tjoin-and-tmap-component)
* [tMap expression syntax](https://help.qlik.com/talend/en-US/components/7.3/tmap/tmap-expression-syntax)
* [tMap lookup models](https://help.qlik.com/talend/en-US/components/7.3/tmap/tmap-lookup-models)