Without a SORT clause or a SAS BY statement, the data order is determined by the Native Key for the CA-DATACOM/DB table (or by the Default Key specified in the access or view descriptor). A SAS BY ...
If you use SAS/ACCESS to read rows from a Teradata table and then attempt to insert these rows into the same table, you will hang (suspend) your SAS session. Behind the scenes a SAS/ACCESS connection ...