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Define DBA database administrator?
DBA: A database administrator (DBA) is a person who is responsible for the environmental aspects of a database. In common, these involves:
Recoverability - Creating and testing Backups Integrity - Verifying or helping to verify data integrity Security - Defining and/or implementing access controls to the data Availability - Ensuring maximum uptime Performance - Ensuring maximum performance Development and testing support - Helping programmers and engineers to economically utilize the database
What is meant by mean time to failure? The mean time to failure is the amount of time that the system could run continuously without failure.
What is a function group? A function group is a collection of logically related modules that share global data with every other. All the modules in the group are contained in
How many types of Views are there? There are Four types of views:- Database View Help View Projection View Maintenance View
explain the level architectures of the database management system
The cross-section of twisted pair The cross-section of each and every strand of the twisted pair is π/4 square mm. A 10-km length of this type of material, with two strands per
Explain the Object-oriented decomposition Object-oriented decomposition targets at identifying individual sovereign objects that encapsulate both a state and certain behavio
as a customer service employee, explain five measures you would recommend a displeased student to patronise a school canteen
The physical location of a record is determined by which mathematical formula that transforms a file key into a record location? The physical location of a record is determined
You have a friend that runs a motor bike club that holds racing events at various venues on weekends, on a monthly basis. Some venues are private race tracks and some are dirt trac
Define a table in SQL known as Client that is used to store information about the clients. Define CLIENT_NO as the primary key whose first letter must begin with ‘C'. Also ensure t
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