There are other avenues to access mainframe data and transactions from applications running on Linux, UNIX, and Windows systems.

对于运行在Linux、UNIX和Windows系统上的应用程序，还有其他方法可以访问大型主机数据和事务。

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Just a few years ago it would have been very difficult to get DB2 experience on your own if you did not have access to a corporate server or mainframe.

在几年前，如果您从未接触过企业服务器或大型机，那么很难靠自身获得DB 2经验。

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Most mainframe shops are not very receptive to ad-hoc access from say, Microsoft Excel to a production IMS database through an ODBC driver for IMS.

大多数大型主机运营者都不大愿意接受借助用于 IMS 的 ODBC 驱动程序从 Microsoft Excel 到生产 IMS 数据库之类的即席（ad hoc）访问。

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Companies whose core is running on a mainframe may have difficulty providing mobile access to users, he said.

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The hardware progression has been from the mainframe to the personal computer to more powerful clustered servers, with cost and access moving back and forth between large enterprises and corporations to small businesses and individuals.

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