...对象代理数据库 [gap=1091]Key words: microbiology information service system; object deputy model; object deputy database ...
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首先,您通常要具有一个映射到对应数据库表主键的(代理)对象标识符。
First, you usually want to have a (surrogate) object identifier that maps to the primary key of the corresponding database table.
业务代理又可能会依赖于一个dao对象,而后者又依赖于一个数据库查询或OR映射查询,这样可以对CD进行有效的查询。
The business delegate may in turn rely on a DAO object that in turn relies on a database query or an or mapping query that sorts the CDs very efficiently.
中间件分数据库、远程过程调用、面向消息、对象请求代理、事务处理管程(TPM)或专用(PM)等类。
The middleware is divided into some classes, such as database, remote procedure call (RPC), oriented message, object request agent, transaction processing management (TPM) or special PM.
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