`Aspose.Gis.Formats.Database.FromDefinition` namespace contains classes that implement the ability to retrieve geometric data using LINQ and store it.

## Classes

| Class | Description |
| --- | --- |
| [FromDefinitionDataSourceBuilder](./fromdefinitiondatasourcebuilder/) | Provides the ability to configure a data source object |
| [QueryableLayerExtension](./queryablelayerextension/) | Helper class that contains extension methods to directly run the database extraction process. |
## Interfaces

| Interface | Description |
| --- | --- |
| [IFromDefinitionDataSource](./ifromdefinitiondatasource/) | Provide the ability to read geospatial data from the database through LINQ and update them. |