The cost per transaction for EDI has come way down and many customers want to keep EDI in place because it works.

EDI中每个事务的成本已经下降，许多客户仍然希望保留EDI，因为它仍然能够工作。

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The J2EE specification describes two models for transaction demarcation: programmatic and declarative. Table 1 breaks down the two models.

J2EE规范描述了两种事务界定的模型：编程序(programmatic)和声明式(declarative)。

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If you are constantly reversing your database update operations, your system will slow down and probably perform more slowly overall than if you were to use one of the other transaction strategies.

如果经常反转数据库更新操作，系统速度会减慢而且与使用其他事务策略相比，这个策略可能会导致整体性能下降。

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To help the property sector, minimum down-payments have been reduced from 30-40% of a home's value to 20%, the transaction tax has been waived for properties held for at least two years, and more public housing is to be built.

ECONOMIST: China's flagging economy: Strong as an ox? | The

Federal Reserve Chairman Ben Bernanke has proposed a 12-cent per transaction cap on debit interchange fees, down from an average of 44 cents, for all but the smallest banks and credit unions.

FORBES: New Bill Creates Obstacle for Durbin Amendment

In December, the Federal Reserve proposed as part of an overhaul mandated by the Dodd-Frank law capping debt-transaction fees for large banks at 12 cents, down from an average of 44 cents.

WSJ: Banks Look to Replace Lost Debit-Card Fees