What quality process should be done first in order to measure information quality?为了测量信息质量，应该首先完成什么数据质量过程?:()?
（A）Database security数据库安全
（B）Re-engineer data重新设计数据
（C）Assess data definitions评估数据定义
（D）Cleanse data清理数据
（E）Measure information costs衡量信息成本 答案解析: 要测量信息质量，或者说要测试数据质量，需要先对数据质量的标准进行定义，因此选:Assess data definitions
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