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?

Microsoft SQL Server Connector — NodePit

ICM User's Guide: ICM in KNIME

KNIME Versus Alteryx

Digital transformation strategies for applied science domains

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

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

To Write SQL or not to Write SQL? KNIME Gives You Both Options!, by Tosin Adekanye, Low Code for Data Science

KNIME Analytics Platform Reviews, Prices & Ratings

KNIME - Quick Guide

Knime vs Alteryx: Difference and Software Comparison