Added note on use of supported APIs

README.md

@@ -2,9 +2,9 @@
 
 By [Mark Carrington](https://markcarrington.dev/sql-4-cds/), supported by [Data8](https://www.data-8.co.uk/)
 
-SQL 4 CDS provides an [engine](https://www.nuget.org/packages/MarkMpn.Sql4Cds.Engine/) and
-[XrmToolBox tool](https://www.xrmtoolbox.com/plugins/MarkMpn.SQL4CDS/) for using standard SQL syntax to query data stored in Microsoft
-Dataverse / Dynamics 365.
+SQL 4 CDS provides an [engine](https://www.nuget.org/packages/MarkMpn.Sql4Cds.Engine/),
+[XrmToolBox tool](https://www.xrmtoolbox.com/plugins/MarkMpn.SQL4CDS/) and [SSMS plugin](https://markcarrington.dev/sql-4-cds/sql-4-cds-ssms-edition/)
+for using standard SQL syntax to query data stored in Microsoft Dataverse / Dynamics 365.
 
 It converts the provided SQL query into the corresponding [FetchXML](https://docs.microsoft.com/en-us/powerapps/developer/common-data-service/fetchxml-schema)
 syntax and allows the associated query to be executed, including the following types of query:
@@ -34,6 +34,12 @@ SET    statecode = 1, statuscode = 2
 WHERE  emailaddress1 IS NULL
 ```
 
+<p style="background-color: #8ed1fc; padding: 1.25em">
+  Although you are writing SQL, you are not directly running the queries against the back-end database. All data retrieval and
+  modification is done through the supported Dataverse API. Running an UPDATE/INSERT/DELETE command against the underlying SQL
+  database is unsafe, but the same query in SQL 4 CDS is translated to safe & supported API requests.
+</p>
+
 The engine converts all the SQL syntax that has a direct equivalent in FetchXML. It also attempts to support some more SQL features
 that do not have an equivalent in FetchXML, such as calculated fields, `HAVING` clauses and more.