Recently there have been a spate of postings regarding job trends for distributed data management technologies including Hadoop and the various NoSQL databases.
One thing you rarely see on these job trends charts is comparison with an incumbent technology, for context. There’s a reason for that, as this comparison of database-related jobs from Indeed.com illustrates:
Although there has been a recent increase in job postings related to Hadoop and MongoDB, both are dwarfed, in absolute terms, by the number of job postings involving SQL Server and MySQL.
So why all the fuss about Hadoop and NoSQL, from a corporate perspective? This chart, showing the relative growth for the same data management technologies, says it all:
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