下列域名中,代表非营利组织的是()。
A、.org
B、.edu
C、.com
D、.net
将第二张幻灯片版式设置为“标题和内容”,把这张幻灯片移为第三张幻灯片;将第二张幻灯片的文本部分动画效果设置为“飞入”、“自底部”。
将第一张幻灯片副标题的动画效果设置为:“切入”、“自左侧”;将第二张幻灯片版式改变为“垂直排列标题与文本”;在演示文稿的最后插入一张版式设置为“仅标题”幻灯片,键入“细说生活得失”。
创建索引文件的命令是( )。
A、ORDER
B、INEDX
C、SET INDEX TO
D、SET ORDER TO
You can use Oracle Flashback to look at past activity in your database. What are two other characteristics of Oracle Flashback?()
AOracle Flashback uses undo information to construct consistent data.
BYou can use a cursor opened while using an Oracle Flashback image to perform DML once you deactivate Oracle Flashback in your session.
CYou can only use Oracle Flashback view of the data if the required records are still in the online redo log files.
DOracle Flashback lists the DML that was executed during the period you identify when initiating your session.
Two data files have been deleted at the operating system level by accident. Your database is running in ARCHIVELOG mode and online backups are taken nightly. One of the data files that has been deleted belongs to the USERS tablespace on the other belongs to the SYSTEM tablespace. How can you recover from this situation?()
A、Shut down the database, restore the two data files and then start up the database.
B、Take the system and users tablespace offline, restore the two data files, recover the two datafiles, and then bring the SYSTEM and USERS tablespaces online.
C、Shut down the database, restore the two data files, start up the database in MOUNT mode, recover the two data files, and then alter the database open.
D、Take the SYSTEM and USERS tablespaces offline, recover the two datafiles and then bring the SYSTEM and USERS tablespaces online.