Merge pull request #2362 from ilianiliev-redis/adding-details-for-the-use-sql-flavour

Adding a note for the SQL syntax and functions supported by RDI

Author: andy-stark-redis

content/integrate/redis-data-integration/data-pipelines/transform-examples/_index.md

@@ -142,6 +142,10 @@ also the
 [data transformation reference]({{< relref "/integrate/redis-data-integration/reference/data-transformation" >}})
 for details of all the available transformation blocks.
 
+{{< note >}}When using the `sql` option as language for the expressions keep in mind that RDI uses the SQL syntax and
+functions supported by SQLite and those may differ from the ANSI-SQL ones. You can find more details in SQLite's
+[official documentation](https://sqlite.org/lang.html).{{< /note >}}
+
 ## Examples
 
 The pages listed below show examples of typical job files for different use cases.