The definition of a named Topic Diagram can be persisted so that the same query can be rerun at any time.
一个被命名的主题图的定义能够被保持,从而能够在任何时间都返回相同的查询。
Once you've rerun the test to ensure that it passes, it's time to tackle a slightly more tricky constraint: unique.
在重新运行测试以确保其通过时,可以解决一个稍微棘手一些的约束:unique。
C. Rerun recover database until cancel but type cancel at the prompt this time.
重新运行recover database until cancel,但这次在提示中键入cancel。
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