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我在Oracle 10g 上不小心删除了很多表的记录,而且我没有备份,noarchivelog 模式,没有打开闪回。是否可以恢复数据?如果是,我该怎么办?
多久前删除数据?例如,如果您在不到一个小时前删除了数据,您是否可以运行此查询并查看数据是否仍在 UNDO 中?
SELECT * FROM some_table AS OF TIMESTAMP systimestamp - INTERVAL '1' hour