Why SAP SQL view is not recommended to use in SQL ?

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Created by Wang, Jerry on Feb 03, 2017

我理解是在ABAP和Open SQL中不推荐使用CDS database view,而是用CDS entity。CDS Entity的限制是不能被用来定义其他ABAP Dictionary对象,比如as the row type of a table type.

from sap help
有一篇非官方的文档上说是因为性能问题:

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