Examine the following scenario： The target database instance is running. The most recent backup available for the target database was taken two days ago. Log files switches have occurred in last two days. The target database is duplicated on the same host， using the Recovery Manager （RMAN） duplicate command as follows： RMAN> RUN { ALLOCATE AUXILIARY CHANNEL aux 1 DEVICE TYPE DISK； DUPLICATE TARGET DATABASE TO auxdb； } Which statement is true about the duplicate database in this scenario？（） [" It contains data till the last backup"," It contains all data from target database until the current time"," It contains all data from only the committed transactions in the target database"," It contains all data except that which is used by the transactions in the current online redo file of target database"]
简述晶体的性质
调节温度
按照《经令发组织范本》以及经令组织为代表的一些国家的意见，以下构成常设机构的是（） ["只作为广告或者提供信息的服务器","完全自主独立的服务器","专为存储、陈列本企业货物和商品的目的而使用的设施","专为本企业采购货物商品或收集情报的目的而保有的固定营业场所"]
View the Exhibits and examine lock waits. Users HR and SH complain that their transactions on one of the application tables， EMP， are waiting for response. Which action would you take to release the lock and enable users HR and SH to continue with theirtransactions（） ["Kill the session of the user SCOTT with session ID118.","Issue manual checkpoint using the ALTER SYSTEM command.","Modify the profile used by user SCOTT to reduce the CONNECT_TIME limit.","Flush the Shared Pool to remove the SQL statement causing "wait" in memory."]
药物只对某些器官组织产生明显作用，而对其他器官组织作用很小或无作用，称为药物作用的（）。
