Each feature results in one database column.

每个特征都存储在一个数据库列中。

youdao

For the most part, each database column is an attribute on the model.

大多数情况下，每个数据库列都是具体某个模型上的一个属性。

youdao

This rule does have exceptions, such as in the case of uniqueness testing in a database column.

对于这条规则，确实有例外情况，例如在数据库列中进行惟一性测试时。

youdao

In combination with a column-based database it rocks.

FORBES: Kill Your Data Warehouse

In order to conduct the sort of statistical analysis Silver faults Noonan's column for lacking, you'd need a representative database of persons who are politically active and a method of coding their political activity by ideology and intensity.

WSJ: Best of the Web Today: The Dog Whistler