代码: # Write your MySQL query statement belowselect round(sum(t.tiv_2016),2) as tiv_2016from(select distinct(t1.pid),t1.tiv_2016from Insurance t1,Insurance t2where t1.tiv_2015=t2.tiv_2015 and t1.pid!
585.What type of backup is stored in a proprietary RMAN format? A. Backup set B. Image copy C. Backup section D. Backup group Answer: A 答案解析: 参考:http://docs.oracle.com/cd/E11882_01/backup.112/