DB Delete


Deletes data rows in the database based on the selected columns from the input table. All selected column names need to exactly match the column names inside the database. Only the rows matching the values of the selected column will be deleted.
The output table contains two additional columns if Append delete statuses checkbox is checked. The first extra columns is the number of rows affected by the DELETE 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. The second shows a warning message, if any.

Input Ports

  1. Type: Data
    Table with the data rows to be deleted from the database.
  2. Type: DB Session
    DB Connection

Output Ports

  1. Type: Data
    Input table with additional columns providing the number of affected rows in the database and warnings, if checked in the dialog.
  2. Type: DB Data
    DB Data referencing the selected table.


This node is part of the extension

KNIME Database


Short Link

Drag node into KNIME Analytics Platform