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    AnalyticDB:ST_NumBands

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    AnalyticDB:ST_NumBands

    Last Updated:Aug 24, 2026

    Returns the number of bands in a raster object.

    Syntax

    integer ST_NumBands(raster raster_obj);

    Parameters

    ParameterDescription
    raster_objThe raster object.

    Examples

    The following example queries the number of bands in each raster object stored in raster_table. In this case, the raster object has 3 bands.

    SELECT ST_NumBands(raster_obj) FROM raster_table;

    Output:

    3