SQL 4 CDS tool allows you to use standard SQL syntax to query and manipulate your data and metadata in Dataverse. You can add SQL 4 CDS to your XrmToolbox and start using it within your CRM data.
With SQL 4 CDS queries are converted to FetchXML where possible, allowing you to generate FetchXML queries for plugins or integrations by writing familiar SQL and converting it.
Crm Minds 