# EntréeSortie et base de données

### Dans cette section

* [ReadMapInput](https://help.qlik.com/talend/fr-FR/data-mapper-functions-reference-guide/8.0-R2026-03/readmapinput-function)
* [ReadURL](https://help.qlik.com/talend/fr-FR/data-mapper-functions-reference-guide/8.0-R2026-03/readurl-function)
* [ReadNested](https://help.qlik.com/talend/fr-FR/data-mapper-functions-reference-guide/8.0-R2026-03/readnested-function)
* [ReadMessage](https://help.qlik.com/talend/fr-FR/data-mapper-functions-reference-guide/8.0-R2026-03/readmessage-function)
* [ReadMessageProperties](https://help.qlik.com/talend/fr-FR/data-mapper-functions-reference-guide/8.0-R2026-03/readmessageproperties-function)
* [WriteMapOutput](https://help.qlik.com/talend/fr-FR/data-mapper-functions-reference-guide/8.0-R2026-03/writemapoutput-function)
* [WriteURL](https://help.qlik.com/talend/fr-FR/data-mapper-functions-reference-guide/8.0-R2026-03/writeurl-function)
* [WriteMessage](https://help.qlik.com/talend/fr-FR/data-mapper-functions-reference-guide/8.0-R2026-03/writemessage-function)
* [WriteMessageProperties](https://help.qlik.com/talend/fr-FR/data-mapper-functions-reference-guide/8.0-R2026-03/writemessageproperties-function)
* [DatabaseSelect](https://help.qlik.com/talend/fr-FR/data-mapper-functions-reference-guide/8.0-R2026-03/databaseselect-function)
* [DatabaseJoin](https://help.qlik.com/talend/fr-FR/data-mapper-functions-reference-guide/8.0-R2026-03/databasejoin-function)
* [DatabaseInsert](https://help.qlik.com/talend/fr-FR/data-mapper-functions-reference-guide/8.0-R2026-03/databaseinsert-function)
* [DatabaseUpdate](https://help.qlik.com/talend/fr-FR/data-mapper-functions-reference-guide/8.0-R2026-03/databaseupdate-function)