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Wednesday, April 27, 2016

Economics of Reuse -- the ULA Vulcan vs the SpaceX Falcon 9

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Before getting into the meat of this post... I should note that this blog is not generally about spacecraft. Normally it contains posts rel...
Tuesday, March 15, 2016

Nine new mobile apps to prep for Oracle certification tests

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On January 31st, I announced the release of two flash card mobile apps for the Oracle SQL Fundamentals certification exams 1Z0-051 and 1...
Thursday, February 11, 2016

Free Oracle certification practice quizzes -- the sequel

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In June of last year, I provided a set of six practice quizzes to GoCertify that corresponded to the Oracle Certification Prep practice ...
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Sunday, January 31, 2016

A new study resource for Oracle certification exams

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Four years ago I published the first of the Oracle Certification Prep study guides -- largely because I felt that Oracle certification cand...
Tuesday, December 8, 2015

Practice for your Oracle DBA Certification Exams

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 In late November, I published a blog post announcing the release of four new Oracle Certification Prep practice tests for the Oracle 11g...
Saturday, November 21, 2015

A Tetrad of New Oracle Upgrade Practice Tests

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In October, Oracle announced they were offering exam vouchers at a 35% discount for their DBA upgrade exams through March 1, 2016. The ...
Monday, October 19, 2015

How many certifications is too many?

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This afternoon, a reader sent me a thank you note for creating my study guide for the 1Z0-060 exam (Upgrade to Oracle Database 12c). I s...