SELECT obj# FROM obj$ AS OF TIMESTAMP TO_TIMESTAMP('2016-06-30', 'YYYY-MM-DD') WHERE NAME = 'PFWZ_APPLICATION_OPERATION';8784287852SELECT source FROM source$ AS OF TIMESTAMP TO_TIMESTAMP('2016-06-30', 'YYYY-MM-DD') where obj# = 87842;SELECT source FROM source$ AS OF TIMESTAMP TO_TIMESTAMP('2016-06-30', 'YYYY-MM-DD') where obj# = 87852;一个包头一个包体