��3 useful tools for working with SQL tables

SQL Fiddle - A tool for simple testing, debugging and sharing SQL fragments. Add text to the panel, and SQL Fiddle turns it into a script for creating the necessary table. Suitable for both working with databases and practicing SQL skills.

SQL Database Modeler - can create the structure of new tables and relationships between them, connect to existing databases and design changes to them. And all this in a nice graphical interface and with a link to GitHub.

SQLFlow - a simple tool for visualizing SQL queries and displaying dependencies. Allows you to track data lineage and transformations in data when executing queries.