摘要： CREATE database link KHTY127_LINKCONNECT TO KHTY2012 IDENTIFIED BY KHTY2012USING '(DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = 172.18.8.127)(PORT = 1521)) ) (CONNECT_DATA = (SERVICE_NAME = orcl) ))'; SELECT a.id FROM que_answer@KHTY127_LINK a; ok 阅读全文