删除元 meaning in English

delete component

To remove the metadata from the system databases , delete the instance of notification services
若要从系统数据库中删除元数据，请删除notification services实例。
You can create and drop the metadata for one of more full - text catalogs in a full - text enabled database
在启用全文索引的数据库中，可以为多个全文目录之一创建和删除元数据。
For the aggregate function median , the concept of a pseudo class is introduced to further reduce the size of the quotient cube
当从quotient数据立方体中删除元组的时候，有些等价类需要进行合并。