（单选题）
You are working on an online transaction processing （OLTP） system. You notice that a PL/SQL procedure got executed twice at 2） 00 p.m. This has incorrectly updated the EMP_SAL table. How would you revert the table to its state at 2） 00 p.m.？（）
APerform point-in-time recovery to 2： 00 p.m.
BUse Flashback Table feature to revert the changes.
CRestore the entire database from the recent backup and open it.
DIssue the rollback statement with system change number （SCN）.
正确答案
答案解析
略
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