多做题,通过考试没问题!

Oracle认证考试

睦霖题库>其他计算机考试>Oracle认证考试

User SCOTT wants to back out the transactions on the REGIONS table in his schema. As a DBA, which commands must you execute to enable SCOTT to flash back the transactions?()

  • A、ALTER DATABASE FLASHBACK ON;
  • B、GRANT SELECT any transaction TO scott;
  • C、GRANT EXECUTE ON dbms_flashback TO scott;
  • D、ALTER DATABASE ADD SUPPLEMENTAL LOG DATA;
  • E、ALTER TABLESPACE undots1 RETENTION GUARANTEE;
  • F、ALTER DATABASE ADD SUPPLEMENTAL LOG DATA (PRIMARY KEY) COLUMNS;
正确答案:B,C,D,F
答案解析:
进入题库查看解析

微信扫一扫手机做题