copy columns造句

• How to : copy columns from one table to another
  如何：将列从一个表复制到另一个表
• The copy column transformation is the source component only of the new columns
  复制列转换仅是新列的源组件。
• Copy column transformation
  复制列转换
• In contrast , a copy column transformation can pass through columns without changing them or can create new columns by copying input columns
  反之，复制列转换则可以不加更改地传递列，或者通过复制输入列来创建新列。
• Copy column , data conversion , and derived column transformations , for copying and modifying column values , and the aggregate transformation for summarizing data
  复制列转换、数据转换和派生列转换，用于复制和修改列值；聚合转换，用于汇总数据。