Change the database to KNIME type mapping configuration for subsequent nodes based column name and database type or only database type. The dialog allows you to add new or change existing type mapping rules. It does not allow you to delete existing mapping rules. All rules from the input DB Data port that are not changed in the node dialog and forwarded unaltered to subsequent nodes e.g. if one of thes mappings changes in a predecessor node these changes are propagated to all subsequent nodes of the DB Type Mapper node.