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There are three types of DBAs: Systems DBAs (also referred to as physical DBAs, operations DBAs or production Support DBAs): focus on the physical aspects of database administration such as DBMS installation, configuration, patching, upgrades, backups, restores, refreshes, performance optimization, maintenance and disaster recovery.
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 .
Development of average annual wages 2000–2023 (USD PPP) [2] Country 2000 2010 2020 2023 Luxembourg * 67,932 75,124 78,977 85,526 Iceland * 61,066 58,131 75,022 ...
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In 2024 the Canada's General government gross debt-to-GDP ratio was 106%, [7] compared to the United States at 121 %. [ 8 ] According to the IMF's 2018 annual Article IV Mission to Canada, compared to all the G7 countries, including the United States, Canada's "total government net debt-to-GDP ratio ", is the lowest. [ 9 ]
SQL was initially developed at IBM by Donald D. Chamberlin and Raymond F. Boyce after learning about the relational model from Edgar F. Codd [12] in the early 1970s. [13] This version, initially called SEQUEL (Structured English Query Language), was designed to manipulate and retrieve data stored in IBM's original quasirelational database management system, System R, which a group at IBM San ...
The SQL specification defines what an "SQL schema" is; however, databases implement it differently. To compound this confusion the functionality can overlap with that of a parent database. An SQL schema is simply a namespace within a database; things within this namespace are addressed using the member operator dot ".". This seems to be a ...
Canada: The minimum wage in Canada is set federally and by each province and territory; ranges from CA$13 to CA$16 (US$9.69 to US$11.93) per hour. The minimum wage calculated here is a weighted average based on the relative population in each province. [10] [58] [59] 24,128: 22,176. 40 11.6: 10.66. 49.5 % 1 June 2022