SQLPad is a self-hosted web app for writing and running SQL queries and visualizing the results. Its goal is to be a simple tool for exploratory data work and visualizations, ideal for anyone who’s practicing SQL or frequently testing SQL code snippets.
SQLPad has its own performance testing tools so you can track how your SQL code runs in real time. SQL code snippets can be organize into collections and used at later time. The install guide is pretty simple and you can find even more info on the link below.