Database Sampling

Manipulator

This node extracts a sample (a bunch of rows) from the input data of a database. The dialog enables you to specify the sample size. The following options are available in the dialog:

Input Ports

  1. Type: Database Query Table in database to apply database sampling

Output Ports

  1. Type: Database Query Table in the database with sampled rows

Find here

Database > Manipulation

Make sure to have this extension installed:

KNIME Core

Update site for KNIME Analytics Platform 3.7:
KNIME Analytics Platform 3.7 Update Site

How to install extensions