This function uses a source raster object to update a destination raster object.

Syntax

raster ST_Update(raster source, raster dest);

Parameters

Parameter Description
source The source raster object.
dest The destination raster object.

Examples

Update raster_table Set raster_obj=ST_Update(raster_obj, (Select raster_obj from raster_table where id=2)) where id = 1;