3. Postgres Size Management: Mastering Database and Table Dimensions
   The command to find the total size of a PostgreSQL database is:Here's a breakdown of what the command does:SELECT: This keyword initiates the retrieval of data
4. Example Codes for Dropping a PostgreSQL Database with Active Connections
   In PostgreSQL, you cannot drop a database if there are any active connections (sessions) using it. This prevents accidental data loss while users or applications are still working with the database
5. Understanding PostgreSQL Queries for Table Names
   PostgreSQL is a powerful open-source relational database management system (RDBMS) used for storing and managing data.It uses SQL (Structured Query Language) for interacting with the database