To delete a DB data source in eMACH.ai-Sigma Studio, perform the following steps:

On the home page of eMACH.ai-Sigma Studio, click the Data Sources tab and hover the mouse on an existing data source, e.g. ACCOUNT_SUMMARY_DS. Click the icon to delete the data source.
Click the Delete DataSource option to delete the data source.

If suppose the data source is used in any report or app, a warning message appears, as shown in the following screen shot:

A pop-up message appears, prompting for the deletion of the data source.
Click Yes.
A confirmation message appears, as shown in the following screen shot:
Click Ok.

Browser not supported