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Database ArchitectsA blog by and for database architects.
http://databasearchitects.blogspot.com/
A blog by and for database architects.
http://databasearchitects.blogspot.com/
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Database Architects | databasearchitects.blogspot.com Reviews
https://databasearchitects.blogspot.com
A blog by and for database architects.
databasearchitects.blogspot.com
Database Architects: Type Inference in SQL
http://www.databasearchitects.blogspot.com/2015/02/type-inference-in-sql.html
A blog by and for database architects. Friday, February 20, 2015. Type Inference in SQL. What drives me nuts about SQL is the type system, or rather, the lack of well specified type inference. In principle, SQL is a strongly typed language, which means that every expression has a well defined data type that is known at compile time. In practice however, while the underlying database system might know the type, the human as no idea. To illustrate that, consider the following very simple C fragment. And th...
Database Architects: September 2014
http://www.databasearchitects.blogspot.com/2014_09_01_archive.html
A blog by and for database architects. Monday, September 8, 2014. Experiments Hurt the Review Process. Experimentally validating (or falsifying) a theory is one of the fundamental aspects of science. As such I have always put a lot of emphasize on experiments, and of course empirical evidence are essential when designing systems. To pick a simple example: merge sort has better asymptotic behavior than quick sort, but in practice quick sort is usually faster. Wall clock is what matters. The first problem ...
Database Architects: May 2014
http://www.databasearchitects.blogspot.com/2014_05_01_archive.html
A blog by and for database architects. Friday, May 23, 2014. Vortex: Vectorwise goes Hadoop. Like Thomas in his first blog, where he announced his super-cool research system Hyper being available for download. I will also start my first blog post with a systems announcement. For this one, there is no download just yet, but by the end of next month, Actian. Will have available a new product that allows to use the Actian Vector system. In San Jose, California. So please come and attend! Method, which gives...
Database Architects: August 2014
http://www.databasearchitects.blogspot.com/2014_08_01_archive.html
A blog by and for database architects. Thursday, August 7, 2014. TPC-DS with Vector Hadoop Edition. My kick-off blog entry for Database Architects contained the first announcement of a product my friends over at the Vectorwise group of Actian in Amsterdam have been working on in the past years: the Hadoop version of what is now called Actian Vector. In this post, I will go behind the scenes of this system, which I think is currently the fastest SQL-on-Hadoop. In San Jose (see the video. I started to writ...
Database Architects: July 2015
http://www.databasearchitects.blogspot.com/2015_07_01_archive.html
A blog by and for database architects. Thursday, July 2, 2015. We are sometimes contacted by people who would like to inspect the behavior of HyPer. HyPer itself is currently not open source, but it is still possible to look at the source code of queries (which is all that matters for query performance). Compiler in the search path, more precisely a binary called clang-3.5. Then, we can start the server daemon with a debug flag like that:. As that will pretty-print the mangled names. With the compiled co...
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C Mythbusters: Counting up vs. down · Henrik Mühe
http://www.muehe.org/posts/c-mythbusters-counting-up-and-down
Personal blog and website. C Mythbusters: Counting up vs. down. A while ago, I stumbled upon a guide to writing optimized C code. I had read a few of the ideas before and previously discounted them as “something the optimizer should really do for you”. In this and the next few posts I will take individual pieces of advice and fact check whether rewriting your code as suggested actually helps or not. Let’s start with a simple proposition: Counting down to zero is cheaper than counting up. Perf stat -r 100.
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Database Designer, Custom Business Software and Online Shop Designer
Clients - Past and Present. Products Close to Ready to Go. Grails on Elastic Beanstalk. AWS http to https redirection. Grails - Stripe for Online Payments. Get Grails 3 Support in Netbeans. Grails 3 Multi Project. Ruby on Rails Authentication. What is a database? All About Online Shops. Google's War on SEO. What Web Crawlers See. Take the repetitive drudgery out of your business. Let custom software do it all in a small fraction of the time. No software to install, ever. It goes further than just many em...
databasearc.osservatorioantitrust.eu
Database ARC
Richiedi una nuova password. Benvenuti nel database Giurisprudenza ARC. Prof Gian Antonio Benacchio, Università di Trento. Dott Massimo Scuffi, Corte Suprema di Cassazione. Dottssa Marina Tavassi, Corte Suprema di Cassazione. Avv Gennaro d’Andria, Studio Legale d'Andria, Roma. Prof Aldo Frignani, Univesrità di Torino. Dottssa Luisa Napolitano, Consiglio Superiore della Magistratura, Roma. Prof Roberto Pardolesi, LUISS, Roma. Avv Enrico Adriano Raffaelli, Studio legale Rucellai and Raffaelli, Milano.
databasearchitect.blogspot.com
A Data Architect's Blog - Design for the present with the future in mind...
A Data Architect's Blog - Design for the present with the future in mind. Friday, November 20, 2009. Google OS. One more great product from Google. Google today unveiled more details of Chrome OS, a lightweight, browser-based operating system for netbooks. With a strong focus on speed, the Chrome OS promises nearly instant boot times of about 7 seconds for users to login to their computers. All the applications will be web-based, meaning users won't have to install apps, manage updates or even backup the...
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databasearchitects.blogspot.com
Database Architects
A blog by and for database architects. Thursday, July 2, 2015. We are sometimes contacted by people who would like to inspect the behavior of HyPer. HyPer itself is currently not open source, but it is still possible to look at the source code of queries (which is all that matters for query performance). Compiler in the search path, more precisely a binary called clang-3.5. Then, we can start the server daemon with a debug flag like that:. As that will pretty-print the mangled names. With the compiled co...
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Database Archiving
Database Marketing Services form the basis for all marketing campaigns nowadays. These services include enhancing and analyzing both customer and prospect data to uncover trends and market segments to leverage cross-sell and up-sell opportunities. Pros and Cons of DVD Database Software. If you've been looking at DVD database software, you're not alone But as with so many purchases, it can be difficult to make up your mind when you're poring over web pages of advice and possibilities. Non-profit organizat...
