Oracle merge into
2013-11-23 15:21 waddell 阅读(226) 评论(0) 编辑 收藏 举报--合并数据库 MERGE --MERGE INTO table_name --USING table_name --ON (expressioin) --WHEN MATCHED THEN -- UPDATE SET … --WHEN NOT MATCHED THEN -- INSERT … VALUES… MERGE INTO PERSION P1 USING PERSION02 P2 ON (P1.ID = P2.ID) WHEN MATCHED THEN UPDATE SET P1.AGE = P2.AGE ; WHEN NOT MATCHED THEN INSERT (P1.ID, P1.AGE) VALUES (P2.ID, P2.AGE);