It is highly uncommon for companies to keep their enterprise data in just one database or to maintain information in a single format. Most of the time business data is scattered across several data stores, perhaps in heterogeneous repositories.
Likewise, businesses commonly have more than just a single application to process their data in day-to-day operations. Accessing enterprise data from multiple applications requires concurrent access. Concurrency brings the question of data integrity, preserving it which is a fundamental objective of transactional ...
