On Line Transaction Processing?
在线事务处理OLTP ？
Because they are based on OLTP (On-line transaction processing), the existed DSS have limited functions.
但由于已有系统基本上都是基于联机事务处理(OLTP)的，功能有限。
Unlike on-line transaction processing databases, data warehouses do not contain the most current information.
与联机事务处理数据库不同，数据仓库不包含最近的信息。
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