多选题
A when the schema of the user， SCOTT， was deleted by mistake 15 minutes ago
B when the table EMP of the SCOTT schema was dropped by mistake 15 minutes ago
C when some rows of the table， EMP， in the SCOTT schema were deleted by mistake 15 minutes ago
D when some incorrect values were inserted in the EMP table in the user Scott’s schema during the last 15 minutes
E never， because FLASHBACK TABLE is not a valid command in Oracle 10g.
正确答案
答案解析
略
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