You executed the STARTUP MOUNT command to start your database. For which database operation do you need to start the database in the MOUNT state？（） 正确。 错误。
游标卡尺可以把尺寸固定后测量。 正确。 错误。
Which three statements are true when the listener handles connection requests to an Oracle 12cdatabase instance with multithreaded architecture enabled In UNIX?（） 正确。 错误。
In one of your online transaction processing （OLTP） applications， users are manipulating and querying a database table simultaneously. From the Segment Advisor， you find that one of the tables is highly fragmented and you want to shrink the table immediately without affecting the currently active queries. Which option would you use with the ALTER TABLE command to achieve this objective？（） 正确。 错误。
在开展新型农村社会养老保险试点的地区，所有农村居民不必缴费，到达符合领取养老金的年龄时可以直接领取新农保养老金。 正确。 错误。
“害人之心不可有，防人之心不可无”，具备一定的设防意识，即人的“光环心理”。（）
