SQL Server book demand now double that of Oracle
Most database professionals know that the computer book market is
driven by demands from the industry and nobody know this better than
Tim O'Reilly, founder of the world's most popular computer book
Tim downloads data from the point-of-sale database (bookscan) and
loads it into a MySQL data mart for detailed trend analysis:
If we assume that people are buying books because of a market
demand, we see Oracle is steep decline and SQL Server book sales up
83%, followed closely by PostgreSQL. We saw this exact same
trend in 1992-1995 when Oracle books started to dominate the
database book market, displacing DB2 and IDMS/R books.
As a whole, the big news is that database book sales are way-down
with the exception of PostgreSQL and SQL Server books, which are up
83% and are now double the size of the Oracle market:
Other emerging technologies:
The biggest increases are in the areas of web design and
development (up 25%) and digital media applications (up 14%.)
Books on consumer operating systems are off by 5%, with books on
Windows XP off by a full 17%. Core software development
technologies are up 4%. But even there, the gains are not evenly
distributed. Java, Perl and C++ are down, C#, Python, and Ruby
are up. Red Hat is down, and other Linux distributions are up.
driven by the new interest in AJAX. (We don't yet track Ajax as
a separate category, choosing instead to include it with
As previously noted, ASP is up 60%. With the latest version,
Microsoft has clearly found their stride in the web application
development space. PHP is up only 4%, Cold Fusion up 9%, and JSP
off 16%. Ruby on Rails shows in the treemap as flat, up 0%.
Also, O'Reilly notes a clear seasonal trend for computer book
As you can see, there's a clear seasonal pattern, with
the graphs for each year closely mirroring the year before,
with remarkably consistent weekly ups and downs.