VectorWise是一个由CWI研发的系统，它针对MonetDB的问题提出了一种新的执行模型——向量执行模型。这个模型在完全物质化中间结果和传统系统的高功能开销之间找到了平衡。VectorWise通过一次性处理一整块或一列数据，而不是逐行或逐列处理，提高了处理效率。
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Overview
Many problems of MonetDB were addressed by a new system, developed in the same research group at CWI, called VectorWise.
The main innocatio in VectorWise is its vectorized execution model which strikes a balance between full materialization of intermediate results in MonetDB and the high functional overhead of tuple-at-a-time iterators in tranditional systems.
VectorWise processes one block/vector of a column at a time as opposed to one column-at-a-time or one tuple-at-a-time.
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