本内容遵循CC 4.0 BY-SA版权协议 做数据库的人应该都遇到过这种场景：业务表几千万上亿行，每天按日期分区，到了月底要把这个月的数据从生产库导一份到测试库，或者要把清洗好的几百GB数据 ...
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