卖出套期保值
下列()资料属于给水管道工程竣工验收应提供的资料。
A、竣工图及设计变更文件
B、管道的位置及高程测量记录
C、管道的水压试验记录
D、回填土压实度检验记录
E、管道冲洗及消毒记录
Your database operates in ARCHIVELOG mode. User/x7fmanaged consistent backups are performed every Sunday night. On Tuesday, client A drops a table at 8:00 a.m. as follows: SQL> DROP TABLE cust_ord PURGE; Table dropped. Client B executes a query at 9:00 a.m. on the same table as follows: SQL> SELECT * FROM cust_ord; SELECT * FROM cust_ord * ERROR at line 1: ORA/x7f00942: table or view does not exist Client B needs the dropped table and reports the problem to you. With reference to this scenario, which action should you take?()
A、retrieve the table by using the flashback feature
B、restore all the data files from last Sunday’s backup, and then perform a timebased recovery
C、restore all the data files from last Sunday’s backup, and then perform a log sequence recovery
D、restore all the data files from last Sunday’s backup, and then perform a cancelbased recovery
E、restore from last Sunday’s backup only data files that belong to the tablespace in which the table was stored, and then perform a complete recovery
调整心态的“三把钥匙”的第二把是()。
A、合作交流
B、进行政治和经济教育
C、以连为家——优化环境
D、经常性的思想教育
2月26日晚,第八十九届奥斯卡金像奖颁奖典礼在美国洛杉矶杜比剧院举行,24个奖项一一揭晓。今年呼声最高的歌舞喜剧片()一举夺得14项入围奖项中的6项,成为最大赢家。反映贫民区非洲裔男孩成长题材的小成本电影()赢得年度最佳影片。
使用向导创建演示文稿时,可以随时单击【上一步】按钮返回到前面的对话框修改相应的设置。
A、对
B、错