在资产评估价值类型确定的情况下，资产评估方法选择具有（）。 多样性。 替代性。 唯一性。 随意性。 确定性。
出口中间继电器的起动电压（）。 无特殊要求。 必须不大于50%额定电压。 不得低于50%额定电压。
You have a large amount of historical data in an operating system file. Some analysts in your organization need to query this data. The file is too large to load into your current database. Which is the most effective method to accomplish the task？（） Upgrade the hardware/memory to accommodate the data.。 Load the data into your database by using the PARALLEL clause.。 Give analysts DBA privilege， so that they can query DBA_EXTERNAL_TABLES.。 Use an external table so you can have the metadata available in your database， but leave the data in the operating system files.。
承担工程检测业务的检测机构应具有（）颁发的资质证书。 水利部。 水行政主管部门。 国家发改委。 水利厅。
You have recovered your Oracle Database 10g by using the control file backup because all copies of the current control file have been lost due to a media failure. You open your database by using the following statement： SQL>ALTER DATABASE OPEN RESETLOGS； Which of the following options is true about using the RESETLOGS option？（） The log sequence is reset to 0.。 All the online redo logs are deleted.。 All the archived redo logs from a previous incarnation become useless.。 The full database backup taken from a previous incarnation can be used in future.。 Only the control file and online redo log files are updated with a new RESETLOGS SCN and time stamp.。
下列对于物流的有关说法，错误的是（）
