# Data warehouse tasks

This section, describes how to create the data warehouse tables, generate the task and run a data warehouse task. It contains he following topics:

* [How Compose handles missing references in the data warehouse](https://help.qlik.com/en-US/compose/December2024/Content/ComposeDWDL/Main/DW/Data%20Warehouse/how_compose_handles_null_values_in_data_warehouse.htm)
* [Creating the data warehouse tables](https://help.qlik.com/en-US/compose/December2024/Content/ComposeDWDL/Main/DW/Data%20Warehouse/create_data_warehouse_tables.htm)
* [Generating data warehouse tasks](https://help.qlik.com/en-US/compose/December2024/Content/ComposeDWDL/Main/DW/Data%20Warehouse/generate_etl_set.htm)
* [Controlling data warehouse tasks](https://help.qlik.com/en-US/compose/December2024/Content/ComposeDWDL/Main/DW/Data%20Warehouse/controll_data_warehouse_etl_tasks.htm)