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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;
参考答案
更多 “ 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; ” 相关考题
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