One of the ways to update features in a database is by using the FME format attribute
fme_db_operation. The attached workbench (fme_db_operation.fmwt) illustrates the use of this to update or delete features from a database.
The steps involved are:
The FME Format Attribute, fme_db_operation, is available on most of the database writers and a couple database readers (Smallworld and Enterprise Geodatabase). See the FME User Documentation for the database you're using.
The second sample workspace illustrates use of writer mode on the feature type - see DataBaseWriterMode.fmwt. Our recommendation is to use the fme_db_operation approach to database updates.
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