Apache Wink 1.0的设计目的是为了在一个servlet中运行，目前不支持嵌入式操作模式。
Apache Wink 1.0 was designed to run inside a servlet container and currently does not support an embedded mode of operation.
在使用MEDIUM模式的显式的UPDATE STATISTICS操作中，可以在resolution子句中使用新的SAMPLING SIZE选项为列分布抽样指定最小行数。
In explicit UPDATE STATISTICS operations in MEDIUM mode, a new SAMPLING SIZE option in the resolution clause specifies the minimum number of rows to sample for column distributions.
通过定义视图而不是显式的表，可以避免垂直模式的主要缺点，即许多查询要求它与本身进行联结，而这种操作是很昂贵的。
By making a view, rather than an explicit table, we avoid the main disadvantage of a vertical schema, namely that many queries require it to be joined with itself, which can be expensive.
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