One of Nielsen's best known creations is the Nielsen ratings, an Audience measurement system that measures television, radio and newspaper audiences in their respective media markets. In 1950 they acq ...
Each UPC-A barcode consists of a scannable strip of black bars and white spaces, above a sequence of 12 numerical digits. No letters, characters, or other content of any kind may appear on a standard ...
Data mart: A data mart is a simple form of a data warehouse that is focused on a single subject (or functional area), such as sales, finance or marketing. Data marts are often built and controlled by ...
Open API (often referred to as OpenAPI new technology) is a word used to describe sets of technologies that enable websites to interact with each other by using REST, SOAP, JavaScript and other web te ...
Main article: History of the web browserThe first web browser was invented in 1990 by Sir Tim Berners-Lee. It was called WorldWideWeb and was later renamed Nexus. The first commonly available web brow ...
Cloud computing relies on sharing of resources to achieve coherence and economies of scale, similar to a utility (like the electricity grid) over a network. At the foundation of cloud computing is the ...
There are two primary methods to run a database on the cloud:Virtual machine Image - cloud platforms allow users to purchase virtual machine instances for a limited time. It is possible to run a datab ...
Below follows a series of descriptions of how some popular DBMS support triggers.Oracle In addition to triggers that fire when data is modified, Oracle 9i supports triggers that fire when schema level ...
An active database is a database that includes an event-driven architecture (often in the form of ECA rules) which can respond to conditions both inside and outside the database. Possible uses include ...
Venues Year City Country Link2016 -TBA- India 2015 Hawaii USA http://vldb.org/2015/2014 Hangzhou China http://www.vldb.org/2014/2013 Riva del Garda Italy http://www.vldb.org/2013/2012 Istanbul Turkey ...
ACID support See also: Atomicity, consistency, isolation, durabilityIn their simplest form, main memory databases store data on volatile memory devices. These devices lose all stored information when ...
The ACM Symposium on Principles of Database Systems (PODS) is an international research conference on database theory, and has been held yearly since 1982. It is sponsored by three Association for Com ...
Venues of SIGMOD conferences Year Place Link2014 Snowbird 2013 New York 2012 Scottsdale 2011 Athens 2010 Indianapolis 2009 Providence 2008 Vancouver 2007 Beijing 2006 Chicago 2005 Baltimore 2004 Paris ...
ACM is organized into over 170 local chapters and 35 Special Interest Groups (SIGs), through which it conducts most of its activities. Additionally, there are over 500 college and university chapters. ...
Conferences are usually composed of various presentations. They tend to be short and concise, with a time span of about 10 to 30 minutes; presentations are usually followed by a discussion. The work m ...
