schema inference

Author: filippopovic

articles/synapse-analytics/sql/develop-storage-files-overview.md

@@ -120,6 +120,8 @@ OPENROWSET(
 BULK N'path_to_file(s)', FORMAT='PARQUET');
 ```
 
+Make sure [appropriate inferred data types](best-practices-sql-on-demand.md#check-inferred-data-types) are used for optimal performance. 
+
 ### Filename function
 
 This function returns the file name that the row originates from.