What does the output on this report indicate？（） RMAN> report need backup； RMAN retention policy will be applied to the command RMAN retention policy is set to redundancy 1 Report of files with less than 1 redundant backups File #bkps Name 5 0 C：\ORACLE\ORADATA\ORCL\MY_DATA_01.DBF The my_data_01.dbf datafile is corrupted and needs to be restored.。 The my_data_01.dbf datafile has not yet been backed up. This report does not imply that the data in the datafile can not be recovered.。 The my_data_01.dbf datafile has not yet been backed up. This report implies that the data in the datafile can not be recovered.。 The my_data_01.dbf datafile no longer meets the retention criteria for backups.。 Datafile 5 is missing.。
以下医用卫生材料及敷料，需要检查吸水时间要求在10秒以内的是（） 医用绷带。 医用纱布。 创可贴。 医用橡皮膏。 医用棉花。
Which three statements are true regarding the logical structure of the Oracle database？（） Each segment contains one or more extents.。 Multiple tablespaces can share single data file.。 A data block is the smallest unit of I/O for data files.。 It is possible to have tablespaces of different block sizes in a database.。 Each data block in the database always corresponds to one OS block.。
监理实施细则是根据监理规划，由专业监理工程师编写，经总监理工程师批准，针对工程项目中某一专业或某―方面监理工作的（）文件。 A.指导性 。 B.实施性 。 C.操作性 。 D.技术性。
Which best describes an inline view? （） a schema object。 a subquery that can contain an ORDER BY clause。 another name for a view that contains group functions。 a subquery that is part of the FROM clause of another query。
A customer with an IBM Power System running AIX is using an IBM System Storage DS8100 inLocation A, and an IBM System Storage DS5100 in Location B. The distance between Location Aand Location B is 25 kilometers. The customer wants a redundant copy of the data inLocation Bfor disaster recovery. Which of the following solutions will best satisfy this requirement?（）
