Install libqt5sql5-ibase by entering the following commands in the terminal:
sudo apt update sudo apt install libqt5sql5-ibase
Description:
Qt 5 Firebird database driver
This package contains the Firebird plugin for Qt 5. . Install it if you intend to use or write Qt programs that are to access a Firebird/InterBase DB.
Homepage: http://qt-project.org/
Version: 5.9.5+dfsg-0ubuntu1
Section: universe/libs