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README.md

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+# spark-cdm-connector
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+A preview release of a connector that allows Spark dataframes to read and write entities in a CDM folder.  For more information and a list of known issues see the provisional user guide in the documentation folder. 
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+The library available here is in an early limited preview and is not intended for or supported for use in production applications.
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+For more information about CDM see: https://docs.microsoft.com/en-us/common-data-model/