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A common source of problems in ETL is a big number of dependencies among ETL jobs. For example, job "B" cannot start while job "A" is not finished. One can usually achieve better performance by visualizing all processes on a graph, and trying to reduce the graph making maximum use of parallelism , and making "chains" of consecutive processing ...
Since Lady Gaga's "Bad Romance" in 2009, every video that has reached the top of the "most-viewed YouTube videos" list has been a music video. In November 2005, a Nike advertisement featuring Brazilian football player Ronaldinho became the first video to reach 1,000,000 views. [1] The billion-view mark was first passed by Gangnam Style in ...
Extraterrestrial Live is the third live album by American rock band Blue Öyster Cult, released in 1982 by Columbia Records.It primarily documents the band's 1981 tour in support of Fire of Unknown Origin, but also includes two tracks recorded in 1980 during the Mirrors Tour and the North American leg of Black Sabbath's Heaven & Hell Tour (dubbed The Black and Blue Tour).
Spatial extract, transform, load (spatial ETL), also known as geospatial transformation and load (GTL), is a process for managing and manipulating geospatial data, for example map data. It is a type of extract, transform, load (ETL) process, with software tools and libraries specialised for geographical information.
Title screen of YouTube Originals. YouTube Premium, formerly known as YouTube Red, is a subscription service that provides advertising-free streaming of all videos hosted by YouTube, offline play and background playback of videos on mobile devices, access to advertising-free music streaming through YouTube Music, and access to "YouTube Original" series and films.
An operational data store (ODS) is used for operational reporting and as a source of data for the enterprise data warehouse (EDW). It is a complementary element to an EDW in a decision support environment, and is used for operational reporting, controls, and decision making, as opposed to the EDW, which is used for tactical and strategic decision support.
Within the ETL process, all key data from tasks is logged on execution. This includes start time, end time, CPU seconds used, disk reads, disk writes, and rows processed. When troubleshooting the ETL or query process, this sort of data becomes valuable. Process metadata is the fact measurement when building and using a DW/BI system.
Data vault modeling was originally conceived by Dan Linstedt in the 1990s and was released in 2000 as a public domain modeling method. In a series of five articles in The Data Administration Newsletter the basic rules of the Data Vault method are expanded and explained.