concurrent transaction [计] 并发事务 ; 并行事务
concurrent database transaction 并行数据库事项处理 ; [计] 并行数据库事务处理
concurrent transaction logic 并发事务逻辑
The transaction support in JDBC 2 gave developers control over concurrent access to their data, thereby ensuring that persisted data is always in a consistent state.
JDBC 2中的事务支持让开发人员可以控制对数据的并发访问，从而保证持续数据总是保持一致的状态。
Given maximum transaction throughput, determine how many concurrent users can be served by the system.
已知最大事务吞吐量，确定系统可以为多少当前用户提供服务。
Databases are not good at executing lots of concurrent transactions with a small number of records per transaction.
数据库并不擅于执行大量处理少量记录的并发事务。
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