OCP-1Z0-053-V12.02-669题
2013-10-08 14:09
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669.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? (Choose four.)
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;
Answer: BCDF
答案解析:
参考:/article/1629037.html
四个先决条件。
which commands must you execute to enable SCOTT to flash back the transactions? (Choose four.)
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;
Answer: BCDF
答案解析:
参考:/article/1629037.html
四个先决条件。
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