试题详情
- 多项选择题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
- B,C,D,F
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