Usage Element (MiningModelColumn) (ASSL)
Applies To: SQL Server 2016 Preview
Describes how the associated column in the parent MiningStructure is used.
|Data type and length||String (enumeration)|
|Cardinality||0-1: Optional element that can occur once and only once.|
The value of this element is limited to one of the strings listed in the following table.
|Key||The column is a key column.|
|Input||The column is an input column.|
|Predict||The column is a prediction column.|
|PredictOnly||The column is a prediction column only.|
|None||The column is not used by the model.|
** Warning ** When the value of Usage is "None", Analysis Services does not send any value to the server by default; hence, the Usage attribute is not included in the request/response.
The enumeration that corresponds to the allowed values for Usage in the Analysis Management Objects (AMO) object model is MiningModelColumnUsages.