Research the best practices for utilizing transactions to ensure data integrity in e-commerce systems and address the following questions in your discussion post:
What are the primary challenges organizations encounter when implementing transaction management in e-commerce, and how do these challenges affect data integrity?
Can you provide an example of a transaction failure in an e-commerce scenario that led to negative outcomes, and what were the lessons learned?
What approaches can be taken to improve exception handling during transactions to enhance the overall user experience?
How does effective transaction management contribute to building customer trust and maintaining operational efficiency in online businesses?