SQL script with multiple DB data outputs - KNIME Analytics

I have a complicated sql query script, which I want to execute on several dbs output. But sql executor can take only one db data. Can someone help me with this?

KNIME Analytics Platform Reviews, Prices & Ratings

Prediction Analysis using Knime

Data Access with KNIME, SQL and Co, by Dennis Ganzaroli, Low Code for Data Science

How KNIME Users Can Build Intelligent Workflows By Accessing AWS Services Through Boto3 SDK Integration

Interactive and reproducible data analysis with the open-source KNIME Analytics Platform

Connect to Salesforce from KNIME Analytics Using JDBC Driver

KNIME Database Extension Guide

KNIME Versus Alteryx

SQL Developer – A great tool and better ways to use it - Simple Talk