C Useful
Database
A Basic Example Of MySQL Connection/Query/Results
(MySQL Library -> libmysqlclient Is Required)( https://dev.mysql.com/ )
A Basic Example Of PostgreSQL Connection/Query/Results
(PostgreSQL Library -> libpq Is Required)( https://www.postgresql.org/ )
A Basic Example Of SQLite3 Open/Query/Results
(SQLite3 Library -> libsqlite3 Is Required)( https://www.sqlite.org/ )