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Jessica May's Blog – July 2014 Archive (3)

Some Cases illustrating drawbacks of SQL in data computing and analytics

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.…

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Added by Jessica May on July 27, 2014 at 9:30pm — No Comments

The difference Between esProc’s Sequence Table Object and R’s Data Frame on data processing

Both esProc and R language are typical data processing and analysis languages with two-dimension…

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Added by Jessica May on July 21, 2014 at 1:36am — No Comments

How to Process Text Files in the Data Analytics

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. …

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Added by Jessica May on July 14, 2014 at 1:30am — No Comments

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