Frequently asked question

What does the sderaster update operation do?

Last Published: October 1, 2025
The sderaster update operation replaces a target raster with a source raster.

For example, consider the following ArcSDE command:

Code:
sderaster -o update -l myrasterdb,raster -f roads.tif

This replaces the raster dataset myrasterdb with roads.tif. The original pixel data of myrasterdb is removed before the replacement occurs.

Note:
The update operation should not be confused with the mosaic operation, which replaces that part of the target raster overlapped by the source raster.

For example:

Code:
sderaster -o mosaic -f myrasterdb,raster roads.tif

This command replaces only that part of myrasterdb that is overlapped by the pixels of roads.tif. Other pixel data of myrasterdb remains unchanged.

Article ID: 000009043

Software:
  • Legacy Products

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