---
title: Discover Parquet or Delta files on Azure
description: "Please first read how to use the Discovery Application. To discover Parquet or Delta files on Azure with the Discovery Application, please choose the following source system type:  Then fill in the fo"
---

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# Discover Parquet or Delta files on Azure

Please first read how to [use the Discovery Application](https://knowledge.bigenius-x.com/use-the-discovery-application?hsLang=en).

### Discover Parquet or Delta files

To discover **Parquet or Delta files on Azure** with the **Discovery Application**, please choose the following source system type:

![](https://knowledge.bigenius-x.com/hs-fs/hubfs/image-png-Sep-17-2024-08-25-37-0258-AM.png?width=390&height=71&name=image-png-Sep-17-2024-08-25-37-0258-AM.png)

Then fill in the following information:

![](https://knowledge.bigenius-x.com/hs-fs/hubfs/image-png-Dec-18-2024-03-59-59-5348-PM.png?width=670&height=367&name=image-png-Dec-18-2024-03-59-59-5348-PM.png)

The value examples below correspond to the source example explained in the [Databricks Stage Files target environment](https://knowledge.bigenius-x.com/databricks-stage-files-target-environment?hsLang=en).

- **Name**: discovery name 
    - Example: *Parquet\_AW2019\_Azure*
- **Storage Account Name**: account name of the Azure Storage  
    - Example: *bgdatabrickslandingzone1*

The Storage Account Name can be found in Microsoft Azure Storage Explorer: select the Storage Account and copy the Account Name displayed in the Properties tab:   
![](https://knowledge.bigenius-x.com/hs-fs/hubfs/image-png-Sep-11-2024-08-38-06-4945-AM.png?width=670&height=294&name=image-png-Sep-11-2024-08-38-06-4945-AM.png)

- **Storage Account Key**: account key of the Azure Storage

The Storage Account Key can be found in Microsoft Azure Storage Explorer: select the Storage Account and copy the Primary Key displayed in the Properties tab after clicking on the eye icon: 

![](https://knowledge.bigenius-x.com/hs-fs/hubfs/image-png-Sep-11-2024-08-39-41-1922-AM.png?width=670&height=294&name=image-png-Sep-11-2024-08-39-41-1922-AM.png)

- **Blob Container URL**:  
    - Example: *https://bgdatabrickslandingzone1.blob.core.windows.net/source*
- **File Path Type:  
  ![](https://knowledge.bigenius-x.com/hs-fs/hubfs/image-png-Oct-22-2024-08-25-28-2067-AM.png?width=361&height=178&name=image-png-Oct-22-2024-08-25-28-2067-AM.png)** 
    - **Directory With Multiple Entities (Delta or Parquet):** select this option if you want to discover several entities (Parquet or Delta) contained in a folder: 
          - Example of 6 entities in a source folder:  
            **![](https://knowledge.bigenius-x.com/hs-fs/hubfs/image-png-Sep-11-2024-08-31-09-3867-AM.png?width=670&height=309&name=image-png-Sep-11-2024-08-31-09-3867-AM.png)**
          - Each entity folder contains the file to discover:  
            ![](https://knowledge.bigenius-x.com/hs-fs/hubfs/image-png-Sep-11-2024-08-34-42-6102-AM.png?width=670&height=210&name=image-png-Sep-11-2024-08-34-42-6102-AM.png)
    - **Folder for a Single Entity (Delta or Parquet):** select this option to discover a folder containing all the Parquet or Delta files concerning an Entity:

- - - Example of 1 entity Customer with multiple Parquet files stored by partition (date):  
            ![](https://knowledge.bigenius-x.com/hs-fs/hubfs/image-png-Sep-11-2024-08-32-41-2925-AM.png?width=670&height=224&name=image-png-Sep-11-2024-08-32-41-2925-AM.png)

- - **Single File (Parquet only):** select this option if you want to discover a single Parquet file  
          - Example of a single Parquet file:![](https://knowledge.bigenius-x.com/hs-fs/hubfs/image-png-Oct-02-2024-07-35-37-3849-AM.png?width=670&height=236&name=image-png-Oct-02-2024-07-35-37-3849-AM.png)
    - **File Path (without URL):** according to the File Path Type selected, fill:

- - - **Directory With Multiple Entities (Delta or Parquet):** the path to the folder containing all the entity's folders  
                  - Example: *adventureworks/*

- - - **Folder for a Single Entity (Delta or Parquet):** the path to the folder containing all the entity files  
                  - Example: *blackforestmarkets\_parquet/CUSTOMER/*
          - **Single File (Parquet only):** the path to the single file  
                  - Example: *adventureworks/CreditCard/*

 

You can download examples of a discovery file below to start modeling, even if you don't have access to this source system type:

- [Parquet](https://f926da42ec3845beb4acf72f.blob.core.windows.net/hubspotknowledgebase/Parquet_AW2019.yaml)source files
- [Delta](https://f926da42ec3845beb4acf72f.blob.core.windows.net/hubspotknowledgebase/Delta_Emails_Local.yaml)source file

 

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