复制在整个企业中创建冗余和不一致的数据源，并导致在整个企业中创建冗余和不一致的业务逻辑。
Replication creates redundant and inconsistent data sources across the enterprise, and causes the creation of redundant and inconsistent business logic throughout the enterprise.
信息质量：非集成的零散数据环境滋生了冗余和不一致的数据，从而导致信息质量问题。
Information quality: The non-integrated and fragmented data environment breeds redundant and inconsistent data that leads to information quality problems.
然而，众所周知，数据库中往往存在冗余数据、缺失数据、不确定数据和不一致数据等诸多情况，这些数据成了发现知识的一大障碍。
However, as well known, there are many issues in databases, such as redundant data, missing data, uncertain data, inconsistent data, and so on, they are the barriers to knowledge discovery.
在大量的数据当中，数据冗余和数据不一致现象普遍存在，它们分散、孤立的存在于各个系统中，而且这些数据也越来越难访问、管理和用于决策支持。
But among the data, inconsistent data usually exist, and they are separated, isolated as well as different in type. Even, it is hard to access or manage these data.
在大量的数据当中，数据冗余和数据不一致现象普遍存在，它们分散、孤立的存在于各个系统中，而且这些数据也越来越难访问、管理和用于决策支持。
But among the data, inconsistent data usually exist, and they are separated, isolated as well as different in type. Even, it is hard to access or manage these data.
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