Cosmos db in synapse

To load data from Cosmos DB into Azure Synapse Analytics using Azure Data Factory (ADF), follow these steps:

Step 1: Set Up Azure Synapse Workspace

1. Go to your Azure Synapse Analytics workspace.
2. Ensure you have set up your dedicated SQL pool or serverless SQL pool.

Step 2: Create a Linked Service to Cosmos DB in Azure Data Factory

1. Navigate to Azure Data Factory and create or open your pipeline.
2. Under Manage on the left pane, select Linked Services.
3. Click New and search for Cosmos DB.
4. Select Azure Cosmos DB (SQL API) and configure the connection:
   • Set the Account Endpoint and Account Key.
   • Test the connection and click Create.

Step 3: Create a Linked Service to Synapse Analytics in Azure Data Factory

1. In the same Linked Services section, click New and search for Azure Synapse Analytics.
2. Choose the appropriate connection (dedicated SQL pool or serverless SQL pool).
3. Enter the connection details:
   • SQL pool name, server, and database.
   • Provide username and password.
   • Test the connection and click Create.

Step 4: Set Up a Data Flow or Copy Activity in the Pipeline

1. Go to the Author tab and create a new Pipeline.
2. Add a Copy Data Activity (or a Data Flow if transformation is needed).
3. Configure the Source:
   • Select Azure Cosmos DB as the source dataset.
   • Choose the container or table you want to load from Cosmos DB.
4. Configure the Sink:
   • Select Azure Synapse Analytics as the sink dataset.
   • Map the fields from Cosmos DB to the corresponding columns in Synapse Analytics.

Step 5: Monitor and Execute the Pipeline

1. Once the pipeline is configured, click Debug to test or Trigger Now to run the pipeline.
2. Monitor the progress under the Monitor tab in Azure Data Factory.

Let me know if you'd like any specific part of the process elaborated on.