# Data Enrichment ### Enrich a set of buffers using Quadbin indexes
CARTO DWBigQuerySnowflakeRedshiftPostgreSQLSnowflakeRedshiftPostgreSQLCARTO DW
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This example demonstrates how to use Workflows to generate buffers around a specific set of points; convert those buffers to a regular grid and then enrich the grid with socio-demographic data from CARTO Spatial Features. [**Download example**](https://storage.googleapis.com/carto-workflows-examples/files/buffer_enrich_quadbin.sql)
### Enrich trade areas using H3 indexes
CARTO DWBigQuerySnowflakeRedshiftPostgreSQLSnowflakeRedshiftPostgreSQLCARTO DW
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This example demonstrates how to use Workflows to generate trade areas around certain points of interest and enrich them with socio-demographic data using an H3 grid and the [CARTO Spatial Features](https://app.carto.com/catalog/dataset/cdb_spatial_fea_94e6b1f) dataset. [**Download example**](https://storage.googleapis.com/carto-workflows-examples/files/enrich_trade_areas_h3.sql)
### Enrich point data with a custom source
CARTO DWBigQuerySnowflakeRedshiftPostgreSQLSnowflakeRedshiftPostgreSQLCARTO DW
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This example demonstrates how to use Workflows to enrich a set of point targets with a custom data source. [**Download example**](https://storage.googleapis.com/carto-workflows-examples/files/enrich_points.sql)
### Enrich polygon data with a custom source
CARTO DWBigQuerySnowflakeRedshiftPostgreSQLSnowflakeRedshiftPostgreSQLCARTO DW
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This example demonstrates how to use Workflows to enrich a set of polygons targets with a custom data source. [**Download example**](https://storage.googleapis.com/carto-workflows-examples/files/enrich_polygon.sql)
### Enrich grid data with a custom source
CARTO DWBigQuerySnowflakeRedshiftPostgreSQLSnowflakeRedshiftPostgreSQLCARTO DW
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This example demonstrates how to use Workflows to enrich a spatial index grid with a custom data source. [**Download example**](https://storage.googleapis.com/carto-workflows-examples/files/enrich_grid.sql)