4. Understanding JOIN vs. Subquery with Example Code
   JOIN:Purpose: Combines rows from multiple tables based on a related column.Syntax: SELECT column1, column2, ... FROM table1
5. Example of Updating Table Rows in PostgreSQL Using Subquery
   Understanding Subqueries:A subquery is a query that is nested within another query. It can be used to provide data to the outer query
6. Understanding MySQL Error 1093: Example Codes
   Here's a breakdown of why this error occurs:Subquery in FROM clause: When you use a subquery in the FROM clause, it's essentially treated as a temporary table
7. Ordering Data in MySQL/MariaDB Subqueries: Understanding the Behavior
   A subquery is a nested query that acts as a single unit within a larger SQL statement. It's often used to filter or aggregate data based on specific conditions