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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 .
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 degree to which the administration of a database is automated dictates the skills and personnel required to manage databases. On one end of the spectrum, a system with minimal automation will require significant experienced resources to manage; perhaps 5-10 databases per DBA.
The average wage is a measure of total income after taxes divided by total number of employees employed. In this article, the average wage is adjusted for living expenses "purchasing power parity" (PPP).
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The longest running DBA program is the DBA program of Business School Lausanne (BSL), a private business school located in Lausanne, Switzerland, that was launched in 1987. [ 9 ] [ 10 ] The longest running DBA program in the USA is the DBA program of Weatherhead School of Management , a private business school of Case Western Reserve University ...
[12] New Brunswick: 15.30 April 1, 2024 Expected indexation based on formula: $15.65 on April 1, 2025 Each April 1, based on New Brunswick CPI for the previous calendar year. The minimum wage was lifted to $12.75 on April 1, 2022, and there was an additional increase of $1.00 on October 1, 2022. [13] Newfoundland and Labrador: 15.60 April 1, 2024
In computing, the star schema or star model is the simplest style of data mart schema and is the approach most widely used to develop data warehouses and dimensional data marts. [1] The star schema consists of one or more fact tables referencing any number of dimension tables .