There is a wide range of tools that will enable developers to export their Oracle, MySQL, SQLite or PostgreSQL database information to other formats.
The main reason for exporting a database's data is to create backups, but one might also need to convert a database files to other formats.
One has to keep in mind that some applications can be used only for a certain type of database, therefore the appropriate utility needs to be selected.
There are a number of standalone tools dedicated to exporting database info, but this functionality may also be encountered within more complex database managers.