![]() PK (Primary Key): A field (or group of fields) that provides a unique identifier for the records in the table.If you try to add a record without providing a value for this field, it will be rejected. NN (Not Null): When this option is set, the field can’t be left empty.This contains the instructions necessary to re-create a database and insert its data into a database. Sometimes, you might be given or sent a database dump file in SQL format. We’re going to look at two ways you can import both data and database table definitions, as well as how you can create your own database. When DB4S starts, it doesn’t have a database loaded into it. On Manjaro, we use pacman: sudo pacman -Sy sqlitebrowser ![]() On Fedora, you type: sudo dnf install sqlitebrowser To install DB4S on Ubuntu, use the following command (again, note the installation still uses the old name): sudo apt-get install sqlitebrowser You can make sure the command does what you think it’s going to before you hard-code some SQL into your application. ![]()
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