# InputOutputとデータベース

### このセクション内

* [ReadMapInput](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2025-04/readmapinput-function)
* [ReadURL](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2025-04/readurl-function)
* [ReadNested](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2025-04/readnested-function)
* [ReadMessage](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2025-04/readmessage-function)
* [ReadMessageProperties](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2025-04/readmessageproperties-function)
* [WriteMapOutput](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2025-04/writemapoutput-function)
* [WriteURL](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2025-04/writeurl-function)
* [WriteMessage](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2025-04/writemessage-function)
* [WriteMessageProperties](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2025-04/writemessageproperties-function)
* [DatabaseSelect](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2025-04/databaseselect-function)
* [DatabaseJoin](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2025-04/databasejoin-function)
* [DatabaseInsert](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2025-04/databaseinsert-function)
* [DatabaseUpdate](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2025-04/databaseupdate-function)