藤蔓类
While performing the backup of the flash recovery area， you notice that one of the archived redo log files is missing. You have multiple destinations for archived redo log files. What implications does it have on the backup of the flash recovery area？（） The backup fails because one of the archived redo log files is missing.。 The backup succeeds but it would be without the missing archived log.。 During backup，you are prompted for the alternative destination for the missing archived redo log file.。 The backup succeeds because it fails over to one of the alternative archived redo log destinations.。
Anyone who knows just the host name and the listener name can have full control over the listener. They can stop the listener and also obtain detailed information about the listener， database， and the configuration of the application. How would you avoid this scenario？（） lock the listener。 hide the listener。 create multiple listeners。 run listener on a remote client。 set a password for the listener。 store listener.ora in a non-default locatio。
幼儿园的建筑最佳应为（） 四层以上（含四层）的楼房。 三层楼房。 两层楼房。 平房。
Consider the following statement on a RANGE partitioned table: ALTER TABLE orders DROP PARTITION p1, p3; What is the outcome of executing the above statement?（） A syntax error will result as you cannot specify more than one partition in the same statement。 All data in p1 and p3 partitions are removed and the table definition is changed。 All data in p1 and p3 partitions are removed, but the table definition remains unchanged。 Only the first partition (p1) will be dropped as only one can be dropped at any time。
前期固结压力是指（）
