Data Modeling & Design
epub |eng | 2012-03-04 | Author:Schwartz, Baron, Tkachenko, Vadim, Zaitsev, Peter & Peter Zaitsev & Vadim Tkachenko [Baron Schwartz]

When Should You Use Flash? The most obvious use case for solid-state storage is any workload that has a lot of random I/O. Random I/O is usually caused by the ...
( Category: Performance Optimization April 6,2014 )
epub |eng | 2011-03-02 | Author:Teetor, Paul [Paul Teetor]

9.12. Forming a Confidence Interval for a Proportion Problem You have a sample of values from a population consisting of successes and failures. Based on the sample data, you want ...
( Category: Software Development April 5,2014 )
epub |eng | 2012-05-08 | Author:Jonathan Gray, Lucy Chambers & Liliana Bounegru [Jonathan Gray, Lucy Chambers, and Liliana Bounegru]

Browse Data Sites and Services Over the last few years, a number of dedicated data portals, data hubs, and other data sites have appeared on the web. These are a ...
( Category: Data Processing March 26,2014 )
epub |eng | 2008-11-20 | Author:Kevin Kline [Kevin Kline]

EXP_FULL_DATABASE and IMP_FULL_DATABASE Grant members of these roles the privilege to execute the import and export utilities. AQ_USER_ROLE and AC_ADMINISTRATOR_ROLE Grant members of these roles the privilege to use or ...
( Category: SQL March 26,2014 )
epub, pdf |eng | 2012-11-25 | Author:Donald Miner & Adam Shook [Donald Miner and Adam Shook]

Caution Be considerate of follow on data parsing to ensure proper field delimiters. Outputting an empty text object is actually unwise. A record that contains the proper structure but with ...
( Category: Software Development March 26,2014 )
epub, pdf |eng | 2009-04-10 | Author:Alan Beaulieu [Alan Beaulieu]

In some cases, the all operator is a bit more natural. The next example uses all to find accounts having an available balance smaller than all of Frank Tucker’s accounts: ...
( Category: Data Warehousing March 26,2014 )
epub, mobi, pdf |eng | 2013-03-10 | Author:Scott Murray

Figure 7-3. Scatterplot with y scale inverted Yes, now a smaller input to yScale will produce a larger output value, thereby pushing those circles and text elements down, closer to ...
( Category: Software Development March 26,2014 )
epub, pdf |eng | | Author:Clare Churcher

Now we see that student and course will not be a suitable key. As soon as the student tries to enroll in the course again, we will have another row ...
( Category: Software Development March 26,2014 )
epub, pdf |eng | 2012-12-05 | Author:Winston Chang [Winston Chang]

axis.title.x X-axis label appearance element_text() axis.title.y Y-axis label appearance element_text() axis.text Appearance of tick labels on both axes element_text() axis.text.x X-axis tick label appearance element_text() axis.text.y Y-axis tick label appearance ...
( Category: Data Modeling & Design March 26,2014 )
epub, mobi, pdf |eng | 2012-10-07 | Author:Wes McKinney [Wes McKinney]

Example: Group Weighted Average and Correlation Under the split-apply-combine paradigm of groupby, operations between columns in a DataFrame or two Series, such a group weighted average, become a routine affair. ...
( Category: Data Processing March 26,2014 )
mobi, epub, pdf |eng | 2011-07-04 | Author:Allen B. Downey

Example 6-3. The Internal Revenue Service of the United States (IRS) provides data about income taxes, and other statistics, at http://irs.gov/taxstats. If you did Example 36, you have already worked ...
( Category: Probability & Statistics March 25,2014 )