Second, you need to consider the scenario where the application accesses the transactional data concurrently.
其次，您需要考虑应用程序同时访问事务数据的情况。
The application requires transactional access to multiple data sources.
应用程序需要对多个数据源进行事务性访问。
The application requires transactional access to multiple data sources.
应用程序需要对多个数据源进行事务性访问。
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