my$sql='select ox.ensembl_id, x.dbprimary_acc from object_xref ox, xref x, external_db e where x.xref_id = ox.xref_id and x.external_db_id = e.external_db_id and e.db_name like "ENST" and x.dbprimary_acc like "ENST%"';
my$sql='select ox.ensembl_id, x.dbprimary_acc from object_xref ox, xref x, external_db e where x.xref_id = ox.xref_id and x.external_db_id = e.external_db_id and e.db_name like "Ens_%_transcript" and x.dbprimary_acc like "ENST%"';