Proper usage of data modeling tools helps to avoid re-factoring of the application at later stages.
正确使用数据建模工具有助于避免在后续阶段重构应用程序。
Many data modeling tools, such as ERwin, don't offer the same degree of integration offered by Rational data Architect.
很多数据建模工具，例如ERwin，都无法像Rational Data Architect一样提供高度集成。
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