It probably isn't enough to break a table down into rows and columns-the record structure of a relational table might not capture some useful groupings.

将一个表分解为一些行和列也许还不够—一个关系表的记录结构也许不能捕获一些有用的组合。

youdao

It probably isn't enough to break a table down into rows and columns-the record structure of a relational table might not capture some useful groupings.

将一个表分解为一些行和列也许还不够—一个关系表的记录结构也许不能捕获一些有用的组合。

youdao