User SCOTT wants to back out the transactions on the REGIONS table in his schema. As a DBA, whichcommands 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

时间:2022-09-26 20:24:14 所属题库:1Z0-053题库

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