The new data services design wizard enables new users to build and test services with relational data sources.
新的数据服务设计向导使用户可以用关系数据源构建并测试服务。
MapReduce clusters are reused by replacing the functors and providing new data sources without having to build, test, and deploy a complete application every time.
MapReduce簇可以通过替换函数子和提供新的数据源来重新使用，而无需每次都对整个应用进行编译，测试和部署。
Mac OS X comes with a command-line utility called iodbctest you can use to test odbc drivers and data sources.
Mac OS X附带一个名为iodbctest的命令行实用程序，可以使用它测试odbc驱动程序和数据源。
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