Note: in Listing 14, the SALES_FACT table is populated in a single transaction, which will require a large amount of disk space for logging.
注意:在清单14中,sales_fact表是通过单独一个事务填充完成的,这需要占用大量的磁盘空间来记录日志。
Note 1: an alternative design for the MDC dimension on the Transactions history table is to define Transaction date at a smaller granularity, such as by week or by day.
注1:对于Transactions历史表上的mdc维,另一种设计方案是以更细的粒度定义Transaction日期,例如每周或每天。
Listing 2 is a sample of how a business method can be implemented in case of a bean-managed transaction (note that exceptions handling is omitted for simplicity)?
清单2示例展示了业务方法在bean管理事务的情况下是如何实现的(注意,为简化起见省略了异常处理)?
Note that I've already opted to let the CustomerSession bean control the transaction boundaries for all the operations.
请注意,我倾向于由 CustomerSessionbean 负责为所有所操作控制事务边界。
For a transaction-safe storage engine, the InnoDB backup ibbackup is preferred. However, do take note of the compatibility issues listed as follows.
对于事务安全的存储引擎,In nodb备份工具ibbackup是首选的。
Note: for more information on the EJB Transaction Model, see the Resources section at the end of this article.
注意:有关EJB事务模型的详细信息,请参阅本文结尾处的参考资料部分。
Note: for more information on the EJB Transaction Model, see the Resources section at the end of this article.
注意:有关EJB事务模型的详细信息,请参阅本文结尾处的参考资料部分。
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