本文提出最小作用量原理之统计解释，将作用量等价于物理场背后潜在统计系统之自由能。
A statistic interpretation of action principle is proposed, in which the action of physics field is equal to the free energy of a statistic system hidden in background.
对于统计视图，ENABLE QUERY optimization子句将导致该视图以及与之相关联的统计信息被用于改进查询优化。
For statistical view, the ENABLE query optimization clause will cause the view, and its associated statistics to be used to improve the query optimization.
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