5. Database Pooling Explained
   Here's a breakdown of the key concepts involved in database pooling:Database: A collection of organized data that is stored electronically
6. List Active PostgreSQL Connections
   Understanding the pg_stat_activity View:Columns: It contains various columns that describe the session's details, such as the process ID
7. PostgreSQL Connection String Format
   Here's a breakdown of the typical format:database: The name of the database to connect to.port: The port number on which the PostgreSQL server is listening (default is 5432)
8. MySQL Access Denied
   What does it mean?This error message in MySQL indicates that the user named "root" is not allowed to access the database server from the local machine (localhost). Essentially
9. SQL Server Connection Error
   What does it mean?This error message indicates that your application (in Visual Studio) is unable to establish a connection to your SQL Server database