With optimistic concurrency control, the database manager releases the row or page locks immediately after a read operation.
通过使用乐观并发控制，数据库管理器在完成读操作之后可以立即释放行或页锁。
The EJB container, persistence manager and the relational resource adapter and database work together to control the concurrency.
ejb容器、持久性管理程序、相关资源适配器和数据库将联合起来对并发性(concurrency)进行控制。
The EJB container, persistence manager and the relational resource adapter and database work together to control the concurrency.
ejb容器、持久性管理程序、相关资源适配器和数据库将联合起来对并发性(concurrency)进行控制。
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