You took the DATA1 tablespace offline at 10：00 A.M. At 12：30 P.M.， a schema of a user is dropped and purged from the Recycle Bin. You noticed this at 2：00 P.M. and decided to perform an incomplete recovery. Which datafiles will you recover？（） all the datafiles in the database。 the datafiles associated with the SYSTEM tablespace。 the datafiles associated with the DATA1 tablespace。 all the datafiles in the database except those associated with the DATA1 tablespace。
在工程上，压强单位的换算1kgf/c㎡约等于（）。 0.01Mpa；。 0.1Mpa；。 1Mpa；。 10MPa。
Given： What is the result？（） 1。 2。 12。 Compilation fails.。 No output is produced.。
Which two client requests are captured during database replay Capture?（） (Choose two) Flashback queries。 Shared server requests。 Login and logoff activities of sessions。 Direct path load of data from external files by using utilities such as SQL *loader。 Data definition language (DDL) and data manipulation language (DML) operatio。
力修复一已知错误运行了软件升级发布之后，哪个过程负责确保CMDB已准确地更新了相关信息（） 变换管理。 问题管理。 配置管理。 发布管理。
现场记录仪的记录纸是以下列时间的哪一个为周期，更换新记录纸？（）
