TSQL Challenge 82 - Find elements that uniquely make up a group
The challenge is to find the Tax Code based on Price. Each sales amount is uniquely made up by the sum of one or more prices. Based on this you should assign the tax code to each price.
The challenge is to find the Tax Code based on Price. Each sales amount is uniquely made up by the sum of one or more prices. Based on this you should assign the tax code to each price.
When the Cloud was new, it was often presented as an 'all or nothing' solution. Nowadays, the canny Systems Architect will exploit the best advantages of 'cloud' distributed computing in the right place, and use in-house services where most appropriate. So what are the issues that govern these architectural decisions?
Come join Grant Fritchey, Steve Jones and others for a free day of training in New York City on Sept 28, 2012.
This Friday Steve Jones wants to know if your career is also helping your wardrobe. (This editorial was originally published on Aug 23, 2007. It is being re-run as Steve is on vacation.)
SQL in the City is a free, full day training and networking event for database professionals. After the success of last year’s event, Red Gate has expanded the event to cover six cities from sea to shining sea, including: New York, Austin, San Francisco, Chicago, Boston, and Seattle.
Another in our series of articles to help you fill in the cracks in your knowledge with SQL Spackle. MVP Jeff Moden shows us how IsNumeric works and how you should use it.
This white paper provides practical guidance to help BI professionals and decision makers decide whether SQL Server 2012 Analysis Services tabular or multidimensional modeling provides the best fit for your next BI solution.
Faster CPUs allow us to perform more complex modeling and analysis of variables, and hopefully come up with better decisions. However that more complex analysis means more data.
When you're getting spikes of high CPU, it's quite likely it's a rogue query. But how do you find out which query? Grant Fritchey explains, using SQL Monitor.
The open-source Unit Test framework tSQLt is a great way of writing unit tests in the same language as the one being tested. In retrospect, after using tSQLt for a while, what are the 'gotchas'; those things that you'd have been better off knowing about before you get started? David Green lists a few tips he wished he'd read beforehand.
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When thinking of the Identity property for auto incrementing columns and sequences for the same action, which are explicitly linked to increment a number in a table when a new row is added?
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