实现方法是创建一个压缩的符号字典，取代行级重复数据模式。

It does this by creating a compression dictionary of symbols which replace repeating data patterns at the row level.

youdao

实现方法是创建一个压缩的符号字典，取代行级重复数据模式。

It does this by creating a compression dictionary of symbols which replace repeating data patterns at the row level.

youdao