Database write locks are needed only at transaction commit time to ensure that the modified items are updated atomically without interference from concurrent updaters.

只有在事务提交时才需要数据库写入锁，以确保原子地更新已修改的项，而不受到并发更新的干扰。

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Experiment results show that this scheme provides significant improvement in the database performance and transaction throughput in concurrent environment.

实验表明，在并发环境下这种方案能较大的提高数据库性能和事务的吞吐量。

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By applying carefully the database functions of transaction handling and concurrent access, the platform guarantees data reliability and data integrity in multi user network environment.

该系统还利用了数据库自身的事务处理与并发控制功能，解决了在多用户网络环境下的数据完整性和可靠性问题。

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