Oracle查询包，同义词

fyg_product_req_mes_to_erp_prg.mes_to_erp_t

select * from dba_objects t where t.OBJECT_NAME=upper('fyg_product_req_mes_to_erp_prg');

select * from dba_synonyms t where t.synonym_name=upper('fyg_product_req_mes_to_erp_prg');