# Connect the DWH

**URL:** <https://discourse.nodered.org/t/connect-the-dwh/71860>\
**Category:** General\
**Created:** [8 December 2022 12:22 UTC](https://discourse.nodered.org/t/connect-the-dwh/71860 "2022-12-08T12:22:59Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![Jen](https://avatars.discourse-cdn.com/v4/letter/j/ecae2f/32.png) [@Jen](https://discourse.nodered.org/u/Jen)\
**Post date:** [8 December 2022 12:22 UTC](https://discourse.nodered.org/t/connect-the-dwh/71860/1 "2022-12-08T12:22:59Z")

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Hello  
I am trying to connect the DWH to the red node.  
But I can't find flowes for it.  
Maybe someone already did this?

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**Author:** ![Colin](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/colin/32/17040_2.png) [@Colin](https://discourse.nodered.org/u/Colin)\
**Post date:** [8 December 2022 12:53 UTC](https://discourse.nodered.org/t/connect-the-dwh/71860/2 "2022-12-08T12:53:12Z")

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I googled for DWH but was not enlightened as to what it is.

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**Author:** ![Jen](https://avatars.discourse-cdn.com/v4/letter/j/ecae2f/32.png) [@Jen](https://discourse.nodered.org/u/Jen)\
**Post date:** [8 December 2022 13:05 UTC](https://discourse.nodered.org/t/connect-the-dwh/71860/3 "2022-12-08T13:05:42Z")

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_Data Warehouse_

> **[Data warehouse](https://en.wikipedia.org/wiki/Data_warehouse)**
>
> In computing, a data warehouse (DW or DWH), also known as an enterprise data warehouse (EDW), is a system used for reporting and data analysis and is considered a core component of business intelligence. DWs are central repositories of integrated data from one or more disparate sources. They store current and historical data in one single place that are used for creating analytical reports for workers throughout the enterprise.
> The data stored in the warehouse is uploaded from the operational sy...

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**Author:** ![jbudd](https://avatars.discourse-cdn.com/v4/letter/j/5f8ce5/32.png) [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Post date:** [8 December 2022 13:19 UTC](https://discourse.nodered.org/t/connect-the-dwh/71860/4 "2022-12-08T13:19:20Z")

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Which data warehouse implementation do you have? What are you trying to do with it and Node-red?

Interesting that your wikipedia link mentions ETL, another unknown TLA that someone (@carl) asked about this morning.

Searching the forum for ETL finds this page [https://discourse.nodered.org/t/reclaiming-memory-from-nodes/49554/9](https://discourse.nodered.org/t/reclaiming-memory-from-nodes/49554/9)  
There is some code there (especially if you click the pencil to see edits to posts). It might be relevant.

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**Author:** ![TotallyInformation](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/totallyinformation/32/31_2.png) [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Post date:** [8 December 2022 16:55 UTC](https://discourse.nodered.org/t/connect-the-dwh/71860/5 "2022-12-08T16:55:22Z")

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> [@jbudd](#):
>
> ETL

Extract-Transformation-Load. A common term for information management and data science.

> [@Jen](#):
>
> Data Warehouse

Jen, if you want help from the forum, you really need to give people more information to go on. Data Warehouses are a massive subject area and generally very complex.

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**Author:** ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)\
**Post date:** [6 February 2023 16:55 UTC](https://discourse.nodered.org/t/connect-the-dwh/71860/6 "2023-02-06T16:55:36Z")

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