Your database is in NOARCHIVELOG mode. The database has three online redo log groups， and each group contains three online redo log members. The online redo log members are stored across three hard disks， E， F， and G， respectively. Hard disk G crashed while the LGWR background process was writing redo information to the online redo log files. What effect will this crash have on the database？（） The database will operate normally without generating any redo.。 The database will hang， and you must shut down and restart the instance.。 The database will crash， and you must recover the database from the point of failure.。 The database will operate normally and will generate minimal redo for the tables created with the NOLOGGING clause.。
增长极理论
According to your backup strategy， you performed an incremental level 0 backup of yourdatabase. Which statement regarding this backup is true？（） The backup is similar to image copy.。 The backup contains all used data blocks.。 The backup contains only unused data blocks.。 The backup contains all data blocks changed since the last incremental level 1 backup.。
You are working on a new Oracle Database 11g server， where only the software is installed and nodatabase is created. You plan to create a database on this server using the Database Configuration Assistant （DBCA）. Some of the requirements set for your database creation task are： 1：Configure the database to operate in shared server mode. 2：Disable automatic maintenance tasks such as optimizer statistics collection. 3：Configure a naming method to help the remote user connect to the database instance. 4：Use Automatic Storage Management （ASM） for storing the database files. 5：Configure daily database backup to flash recovery area. 6：Configure Enterprise Manager Database Control to manage the database. Which of these requirements can be met while creating the database（） 4 and 6。 2，3，4，and 6。 1，2，4，5，and 6。 1，2，3，4，5，and 6。
双作用式压缩机，活塞在一个冲程内吸入和排出（）次气体。
下列资产中属于流动资产的是（）。
