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A database administrator (DBA) manages computer databases. [1] The role may include capacity planning , installation , configuration , database design , migration , performance monitoring, security , troubleshooting , as well as backup and data recovery .
It is not a case of “if” but a case of “when” a database suffers a failure, ranging from a simple failure to a full catastrophic failure. The failure may be data corruption, media failure, or user induced errors. In either situation the DBA must have the skills to recover the database to a given point in time to prevent a loss of data.
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Oracle Corporation is an American multinational computer technology company headquartered in Austin, Texas. [5] Co-founded in 1977 in Santa Clara, California, by Larry Ellison, who remains executive chairman, Oracle was the third-largest software company in the world in 2020 by revenue and market capitalization. [6]
The channel was launched on September 7, 2001 as a Canadian version of Court TV, by Learning and Skills Television of Alberta Ltd., which was then owned by CHUM Limited, although the U.S. Court TV channel became available in Canada through cable and satellite providers as a foreign channel approved by the Canadian Radio-television and ...
A range query is a common database operation that retrieves all records where some value is between an upper and lower boundary. [1] For example, list all employees with 3 to 5 years' experience. Range queries are unusual because it is not generally known in advance how many entries a range query will return, or if it will return any at all.
The channel was launched on September 7, 2001 under the ownership of Alliance Atlantis and the U.S.-based National Geographic Channel. Previous logo used from 2002 to 2016. On December 19, 2006, Alliance Atlantis launched a high definition simulcast of National Geographic Channel. [2] It is available through all major TV providers in Canada.
This is an accepted version of this page This is the latest accepted revision, reviewed on 13 January 2025. Canadian premium TV network Television channel HBO Country Canada Broadcast area Nationwide Headquarters Toronto, Ontario, Canada Programming Language(s) English Picture format 1080i HDTV (downscaled to letterboxed 480i for the SDTV feed) Timeshift service HBO Canada 1 (in-region feed ...