2. Understanding PostgreSQL Permission Errors and Example Code
   Here are some common causes and solutions:Incorrect User or Role:Check the user name or role: Ensure you're using the correct user or role that has the necessary privileges
3. Step-by-Step: Setting Up User Accounts and Permissions in MariaDB/MySQL
   MariaDB/MySQL: Relational database management systems (RDBMS) used for storing and managing data.Privileges: Permissions granted to users or accounts that control what actions they can perform on the database server and within specific databases