Periodic archiving of transaction data from a production CRM system is critical for:定期归档生产CRM系统中的事务数据对于以下方面至关重要::()?
（A）Training junior DBAs培训初级DBA
（B）Managing deleted customer records管理已删除的客户记录
（C）Providing alternate sources for reporting systems为报告系统提供备用来源
（D）Enabling the distribution of transaction data across the enterprise支持在整个企业中分发事务数据
（E）The maintenance of database performance数据库性能的维护 答案解析:
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