When adding a new dimension to an existing logical table, what is the significance of...

OBIEE - Grain (Level of summarization)

Grain definition in the context of OBIEE.

The following list describes the different grains in navigating a query:

* Aggregation grain. The grain of the aggregate source of from a level based metrics

* Query grain. The grain of the request.

* Time Series grain. The grain at which the time series function aggregation is requested.

* Storage grain. The query in the example can be computed from daily sales or from monthly sales, or from quarterly sales.

Note:

The aggregation grain is defined in the content tab of the logical table source.

When the query grain match the aggregation grain of a logical table source, this one is used to create the physical query.