This node is part of the legacy database framework and will be deprecated at the end of 2022. For more information on how to migrate to the new database framework see the migration section of the database documentation.
Updates the data rows in the database with the data values from the input tables. All selected column names need to exactly match the column names from the database. The WHERE column values need to match the row to update; whereas the SET column values are replaced by the input row values.
The output table contains an additional column with the number of rows affected by the UPDATE statement. A number greater than or equal to zero -- indicates that the command was processed successfully and is an update count giving the number of rows in the database that were affected by the command's execution A value of -2 -- indicates that the command was processed successfully but that the number of rows affected is unknown.
If the optional input is connected the database connection information is taken from the port, otherwise you need to specify the connection information in the dialog.
Make sure you have your vendor-specific database driver registered in the KNIME preference page (section Database Driver).
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