Search results
Results from the WOW.Com Content Network
Another way that companies use ETL is to move information to another application permanently. For instance, the new application might use another database vendor and most likely a very different database schema. ETL can be used to transform the data into a format suitable for the new application to use.
Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more
EDSAC, on which the book was based, was the first computer in the world to provide a practical computing service for researchers. [2] Demand for the book was so limited initially that it took six years to sell out the first edition. [7] As computers became more common in the 1950s, the book became the standard textbook on programming for a time ...
William Stallings is an American author. He has written computer science textbooks on operating systems , computer networks , computer organization , and cryptography . Early life
An internetwork is the connection of multiple different types of computer networks to form a single computer network using higher-layer network protocols and connecting them together using routers. The Internet is the largest example of internetwork. It is a global system of interconnected governmental, academic, corporate, public, and private ...
William H. Inmon (born 1945) is an American computer scientist, recognized by many as the father of the data warehouse. [ 1 ] [ 2 ] Inmon wrote the first book, held the first conference (with Arnie Barnett ), wrote the first column in a magazine and was the first to offer classes in data warehousing.
Extract, load, transform (ELT) is an alternative to extract, transform, load (ETL) used with data lake implementations. In contrast to ETL, in ELT models the data is not transformed on entry to the data lake, but stored in its original raw format. This enables faster loading times.
A Watermark for data synchronization describes an object of a predefined format which provides a point of reference value for two systems/datasets attempting to establish delta/incremental synchronization; any object in the queried data source which was created, modified, or deleted after the watermark's value will be qualified as "above watermark" and should be returned to the client ...