Node Connectivity
There are 2643 nodes that can be used as predessesor
for a node with an input port of type 
Generic Port.
DB Table Exists IF Switch (Flow Variable Output) Hidden
IF Switch node with active branch based on whether the database connection contains the specified table
DB To Empty Table Streamable
This node generates an empty KNIME table with the columns in a database query connection
DB To Variable
This node converts a database connection to a set of flow variables
Reference DB Table Exists IF Switch
IF Switch node with active branch based on whether the database connection contains the specified table
Database DISTINCT (Legacy)
This node performs a 'DISTINCT' operation on the selected column(s)
Database Extract Table Dimension (Legacy)
This node extracts the table dimension from a Database Query Connection
Database Insert Column Header (Legacy)
This node renames the output columns of a database connection based on the values in a reference table. The underlying database is not affected
Database List Catalogues (Legacy) Streamable
This node lists the catalogues for a database
Database List Foreign Keys (Legacy) Streamable
This node lists any foreign keys for a selected database table
Database List Primary Keys (Legacy) Streamable
This node lists any primary keys for a selected database table