Tag Archives: PDW

Problem unsolvable for Data Lake Analytics

One of the tasks of Database Forensics is to detect events (or categories of events) that began too frequent. From programming perspective, this means that for each date there should be searches categories appearing more than certain number of times … Continue reading

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SQL or NoSQL: that is the question.

Relational database management system (RDBMS) have been a primary data storage mechanism for decades. NoSQL databases have existed since the 1960s, but have been recently gaining traction and the business faces a challenge of their efficient adoption. There are many tutorials … Continue reading

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Azure PDW is generally available

Microsoft released Azure SQL Data Warehouse accompanying  with a bouquet of impressive distinct capabilities that can be found in the press-release. An item attracted my attention was the next:

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PolyBase: A Superior Alternative To Process And Query Data

Recently I was literally stunned when loading bulky data into PDW got result a magnitude faster than expected. Load of 20Gb file into Azure Blob Storage from local machine takes 15 minutes, copying from Blob Storage into Data Lake (ie from one … Continue reading

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SHARK on SPARK – business capability increment or just another ICT extension?

The media provides generous buzz in regards to every particular emerging technology. No surprise the promising technology Spark contributes a lot to this stream. However it’s not always easy to separate out technical features descriptions and get pure understanding of how the technology can contribute … Continue reading

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Big Data ad-hoc querying with Power BI?

It has been a long time since Coudera introduced Impala as an alternative to slow MapReduce-based Hive. And has positioned new product as ad-hoc querying supporting tool (I recall Mr Isotov expressed interest in this – now I can state that only … Continue reading

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