3. Example Codes:
   psql: This is the command-line tool used to interact with PostgreSQL databases.invalid command \N: This message indicates that psql encountered a line in your SQL dump file that it doesn't recognize as a valid command
4. MySQL: Securely Dumping Databases without Password Hassle
   mysql: This refers to the MySQL database management system.database: This is the collection of structured data you want to back up
5. Focusing on the Data: Dumping Methods in MySQL
   MySQL: A popular open-source relational database management system (RDBMS) used to store and manage data in a structured way