12c ocp 062新考题(之前没出现过)-1
1.One of your databases has archive logging enabled and RMAN backups are taken at regular intervals.
The data file for the users tablespace is corrupt.
SRE实战 互联网时代守护先锋,助力企业售后服务体系运筹帷幄!一键直达领取阿里云限量特价优惠。Which command must you execute before starting the recovery of this tablespace ?
A) SWITCH DATAFILE ALL;
B) ALTER TABLESPACE users OFFLINE TEMPORARY;
C) STARTUP FORCE
D) ALTER TABLESPACE users OFFLINE IMMEDIATE;
E) ALTER TABLESPACE users OFFLINE NORMAL;
Answer:D
(解析:由于数据文件损坏,所以表空间无法正常 offline,会报错,只能用 immediate 选项。
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