# Data generation functions

You can generate output data different from the input data.

| Function | Random generation | Consistent generation | Bijective generation | Input data validation |
| --- | --- | --- | --- | --- |
| Generate from pattern | ![](https://help.qlik.com/talend/en-US/components/7.3/Resources/images/tick.png) | ![](https://help.qlik.com/talend/en-US/components/7.3/Resources/images/cross.png) | ![](https://help.qlik.com/talend/en-US/components/7.3/Resources/images/cross.png) | ![](https://help.qlik.com/talend/en-US/components/7.3/Resources/images/cross.png) |
| Generate Uuid | ![](https://help.qlik.com/talend/en-US/components/7.3/Resources/images/tick.png) | ![](https://help.qlik.com/talend/en-US/components/7.3/Resources/images/cross.png) | ![](https://help.qlik.com/talend/en-US/components/7.3/Resources/images/cross.png) | ![](https://help.qlik.com/talend/en-US/components/7.3/Resources/images/cross.png) |
| Generate sequence | ![](https://help.qlik.com/talend/en-US/components/7.3/Resources/images/tick.png) | ![](https://help.qlik.com/talend/en-US/components/7.3/Resources/images/cross.png) | ![](https://help.qlik.com/talend/en-US/components/7.3/Resources/images/cross.png) | ![](https://help.qlik.com/talend/en-US/components/7.3/Resources/images/cross.png) |
| Generate from file/list | ![](https://help.qlik.com/talend/en-US/components/7.3/Resources/images/tick.png) | ![](https://help.qlik.com/talend/en-US/components/7.3/Resources/images/tick.png) | ![](https://help.qlik.com/talend/en-US/components/7.3/Resources/images/cross.png) | ![](https://help.qlik.com/talend/en-US/components/7.3/Resources/images/cross.png) |

### In this section

* [Generate from pattern](https://help.qlik.com/talend/en-US/components/7.3/data-privacy/generate-from-pattern)
* [Generate UUID](https://help.qlik.com/talend/en-US/components/7.3/data-privacy/generate-uuid)
* [Generate sequence](https://help.qlik.com/talend/en-US/components/7.3/data-privacy/generate-sequence)
* [Generate from file/list](https://help.qlik.com/talend/en-US/components/7.3/data-privacy/generate-from-file-list)