Verify and Update the sql in the Validations Folder

[andreabringhurst]

• Apply a consistent style guide (e.g., indentation, capitalization).
• Align SQL clauses for readability.
• Simplify complex queries.
• Review the logic and flow of the queries.
• Check for consistent naming conventions.
• Ensure the code is easy to understand.
• Use parameterized queries to prevent SQL injection.
• Optimize queries for performance.