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The computing power of SQL for mass structured data is complete, that is to say, it is impossible to find anything that SQL cannot compute. But its support layer is too low, which can lead to over-elaborate operation in practical application.…
ContinueAdded by Jessica May on July 27, 2014 at 9:30pm — No Comments
Both esProc and R language are typical data processing and analysis languages with two-dimension…
ContinueAdded by Jessica May on July 21, 2014 at 1:36am — No Comments
Text files often brings headache for data analysts, are there any more convenient way for text files process? I prepare a case on how esProc deal with it, including import various text files; process big text files; visit text files of hdfs; as well as general operations, such as, file moving, deleting and checking whether a file exists. The following will illustrate these functions through examples. …
ContinueAdded by Jessica May on July 14, 2014 at 1:30am — No Comments
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