SQuirreL SQL Client is a free and open source database management application for Windows, MacOS and Linux. It supports JDBC compliant databases like MySQL, PostgreSQL, MariaDB, and SQLite. Using this you can browse the data in database tables and run SQL commands. It is written in Java and released under the GNU Lesser General Public License. Some of the important features are build-in SQL editor with code completion, graph support, syntax highlighting and abbreviations, SQL Script and SQL bookmarks support. You can also extend its features using plugins.
Install SQuirreL SQL Client on Ubuntu Linux
SQuirreL SQL Client is available via flatpak package from flathub. First you need to install flatpak and flathub and restart your system after the installation . In terminal app (ctrl+alt+t) run below SQuirreL SQL Client flatpak installation command.
flatpak install flathub net.sourceforge.squirrel_sql
After the installation you can start it via
flatpak run net.sourceforge.squirrel_sql
You can also uninstall it via
sudo flatpak uninstall net.sourceforge.squirrel_sql