EDC: Support Dynamic queries and update Query External Database dialog

content/en/docs/refguide/modeling/application-logic/microflows-and-nanoflows/activities/integration-activities/query-external-database.md

@@ -19,31 +19,43 @@ To learn how to use this activity in a microflow and configure other aspects of
 
 ## Properties
 
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+Prior to Mendix 11.3.0, some of these properties were grouped in different sections.
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+
 Double-click the **Query External Database** activity to view its properties.
 
-The **Query** section contains the following properties:
+The **General** section contains the following properties, which are used to provide dynamic connection parameter values:
 
 * **Database** – the name of the database you want to query
-* **Query** – the saved SQL query from your configuration of the Database connector
-* **Parameters** – the saved parameters from your configuration of the Database connector
 
-The **Connection** section contains the following properties, which are used to provide dynamic connection parameter values:
+* **Connection Parameters**
+    * **DBSource** – Enter the JDBC URL you want to use for connection during runtime
+    * **DBUsername** – Enter the username you want to use for connection during runtime
+    * **DBPassword** – Enter the password you want to use for connection during runtime
+
+    If you are using SSL based authentication for Postgres, provide the value for
 
-* **DBSource** – Enter the JDBC URL you want to use for connection during runtime
-* **DBUsername** – Enter the username you want to use for connection during runtime
-* **DBPassword** – Enter the password you want to use for connection during runtime
+    * **ClientCertificateIdentifier**
 
-If you are using SSL based authentication for Postgres, provide the value for
+    If you are using key-pair authentication for Snowflake, provide the value for:
 
-* **ClientCertificateIdentifier**
+    * **PrivateKey**
+    * **Passphrase**
 
-If you are using key-pair authentication for Snowflake, provide the value for:
+The **Query** section contains the following properties:
 
-* **PrivateKey**
-* **Passphrase**
+* **Query** – the saved SQL query from your configuration of the Database connector
+* **Dynamic** – Choose **Yes** to update the query—*this option is available in Mendix 11.3.0 and above*
+    * **SQL** – When **Yes** is selected, the SQL field appears prepopulated with the selected query; you can then modify this query, using variables and parameters if required
+* **Parameters** – the saved parameters from your configuration of the Database connector
 
-In the **Output** section are the following properties:
+The **Output** section contains the following properties:
 
 * **Return type** – the return type once the microflow is completed
 * **Use return value** – select **Yes** or **No**
     * **List name** – if **Use return value** is set to **Yes**, this is the name of the returned list
+
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+It is your responsibility to apply the proper security, as this action can allow for SQL injection into your application. Do not use user-supplied or environment-supplied variables in your SQL statement; if possible, you should prefer them to be static.
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