### Q1: What is the primary difference between SQL and NoSQL databases, and how does it influence the choice for a fintech application?  
### Q2: In what scenarios would using PostgreSQL provide advantages over MySQL in a fintech context?  
### Q3: How would the flexibility of MongoDB affect the development process of a fintech startup focused on user analytics?  
### Q4: How can a developer determine the best database management system for a new fintech application based on its requirements?  
### Q5: Can you provide an example where Firebase could enhance a mobile payment application, specifically regarding real-time data synchronization?  
### Q6: What specific advantages does MySQL offer for tracking transactions in a banking application compared to NoSQL options?  
### Q7: What communication strategies would be effective when explaining the benefits of PostgreSQL to a non-technical stakeholder in a fintech project?  
### Q8: How would you articulate the differences between MySQL and MongoDB to a team member unfamiliar with database management systems?  
### Q9: In what ways can effective communication skills impact the successful implementation of a chosen database management system in a fintech application?