在一个“订单输入子系统”中,创建新订单和更新订单都需要核查用户账号是否正确。那么,用例“创建新订单”、“更新订单”与用例“核查客户账号”之间是(&;NBSP;)关系() 包含(INCLUDE.。 扩展(EXTEND.。 分类(CLASSIFICATION)。 聚集(AGGREGATION)。
What is the impact of the results of the output of the following command?() RMAN> report unrecoverable database; Report of files that need backup due to unrecoverable operations File Type of Backup Required Name 4 full or incremental C:\ORACLE\ORADATA\ORCL\USERS01.DBF There are no backup sets with any backups of the users01.dbf datafile.。 The users01.dbf datafile has had unrecoverable operations occur in it. It will need to be backed up or some data loss is possible during a recovery.。 The users01.dbf datafile is corrupted.。 The users01.dbf datafile backup exceeds the retention criteria.。 The last backup of the users01.dbf datafile failed and must be rerun.。
The IBM System Storage TS7650 ProtecTIER Deduplication Appliance supports emulation of up to how many of the following?() up to 18 virtual libraries, 64 virtual drives, and 55000 virtual cartridges。 up to 6 virtual libraries, 128 virtual drives, and 110000 virtual cartridges。 up to 12 virtual libraries, 256 virtual drives, and 128000 virtual cartridges。 up to 24 virtual libraries, 512 virtual drives, and 256000 virtual cartridge。
小章和小胡是中学的同班同学,又来自相邻的山村,还属表亲。高中毕业那年,两人几乎以同样优秀的成绩考进了同一所本科院校。进大学以后,小章的学业成绩仍然优秀,小胡在大一时却出现了多门不及格,在留级线上挣扎的现象。大学生的学习动机具有多元性、间接性、社会性和职业性等特点。在当前的高校情境中,()是青年大学生学习的主要动机。 自我提高内驱力。 交往内驱力。 认知内驱力。 附属内驱力。
Which two tasks can you perform using only the TO_CHAR function? () convert 10 to 'TEN'。 convert '10' to 10。 convert 10 to '10'。 convert 'TEN' to 10。 convert a date to a character expression。 convert a character expression to a date。
水银血压计与电子血压计的指示允许误差范围是()