同时给出了查询代价视图选择问题的代价模型和实视图选择的过程。
In the meantime, the cost model of the query cost view selection problem and the process of materialized views selection are presented.
他当时也视图解决道德风险，以及逆向选择的问题。
He was dealing also with the moral hazard and adverse selection problem.
从Problems视图或者Tasks视图中选择一个问题，警告，或者任务，并右键点击它。
Select a problem, warning, or task from the Problems view or the Tasks view and right-click it.
我的问题是这个：当我选择一行时，我在堆栈上推另一个视图，以便我可以看到我的消息。
MY problem is this: When I select a row, I push another view on the stack, so that I can see my messages.
物化视图是提高数据仓库的查询响应能力以高效支持决策分析的重要手段，但物化视图集选选择是一个复杂问题。
Selecting a set of views to materialize is an important way to improving query performance for the purpose of efficiently supporting decision making and data analyzing.
物化视图是提高数据仓库的查询响应能力以高效支持决策分析的重要手段，但物化视图集选选择是一个复杂问题。
Selecting a set of views to materialize is an important way to improving query performance for the purpose of efficiently supporting decision making and data analyzing.
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