# 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-R2025-01/readmapinput-function)
* [ReadURL](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2025-01/readurl-function)
* [ReadNested](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2025-01/readnested-function)
* [ReadMessage](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2025-01/readmessage-function)
* [ReadMessageProperties](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2025-01/readmessageproperties-function)
* [WriteMapOutput](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2025-01/writemapoutput-function)
* [WriteURL](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2025-01/writeurl-function)
* [WriteMessage](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2025-01/writemessage-function)
* [WriteMessageProperties](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2025-01/writemessageproperties-function)
* [DatabaseSelect](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2025-01/databaseselect-function)
* [DatabaseJoin](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2025-01/databasejoin-function)
* [DatabaseInsert](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2025-01/databaseinsert-function)
* [DatabaseUpdate](https://help.qlik.com/talend/ja-JP/data-mapper-functions-reference-guide/8.0-R2025-01/databaseupdate-function)