# 変換関数

このセクションでは、Qlik Open Lakehouse で利用可能なさまざまな種類の変換関数について説明します。これらの関数は、CDC ストレージ タスクおよびストリーミング変換タスクで使用できます。

* [配列ファンクション](https://help.qlik.com/ja-JP/cloud-services/Subsystems/Hub/Content/Sense_Hub/DataIntegration/Lakehouse/TransformationFunctions/array/array.htm)
* [比較ファンクション](https://help.qlik.com/ja-JP/cloud-services/Subsystems/Hub/Content/Sense_Hub/DataIntegration/Lakehouse/TransformationFunctions/comparison/comparison.htm)
* [条件分岐関数](https://help.qlik.com/ja-JP/cloud-services/Subsystems/Hub/Content/Sense_Hub/DataIntegration/Lakehouse/TransformationFunctions/conditional/conditional.htm)
* [日付関数と時間関数](https://help.qlik.com/ja-JP/cloud-services/Subsystems/Hub/Content/Sense_Hub/DataIntegration/Lakehouse/TransformationFunctions/date-and-time/date-and-time.htm)
* [数学関数](https://help.qlik.com/ja-JP/cloud-services/Subsystems/Hub/Content/Sense_Hub/DataIntegration/Lakehouse/TransformationFunctions/mathematical/mathematical.htm)
* [正規表現関数](https://help.qlik.com/ja-JP/cloud-services/Subsystems/Hub/Content/Sense_Hub/DataIntegration/Lakehouse/TransformationFunctions/regular-expressions/regular-expressions.htm)
* [空間関数](https://help.qlik.com/ja-JP/cloud-services/Subsystems/Hub/Content/Sense_Hub/DataIntegration/Lakehouse/TransformationFunctions/spatial/spatial.htm)
* [文字列関数](https://help.qlik.com/ja-JP/cloud-services/Subsystems/Hub/Content/Sense_Hub/DataIntegration/Lakehouse/TransformationFunctions/string/string.htm)
* [構造関数](https://help.qlik.com/ja-JP/cloud-services/Subsystems/Hub/Content/Sense_Hub/DataIntegration/Lakehouse/TransformationFunctions/structural/structural.htm)
* [三角関数](https://help.qlik.com/ja-JP/cloud-services/Subsystems/Hub/Content/Sense_Hub/DataIntegration/Lakehouse/TransformationFunctions/trigonometric/trigonometric.htm)
* [型変換関数](https://help.qlik.com/ja-JP/cloud-services/Subsystems/Hub/Content/Sense_Hub/DataIntegration/Lakehouse/TransformationFunctions/type-conversion/type-conversion.htm)
* [URL 関数](https://help.qlik.com/ja-JP/cloud-services/Subsystems/Hub/Content/Sense_Hub/DataIntegration/Lakehouse/TransformationFunctions/url/url.htm)