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What is authorization graph? Passing of authorization from single user to another can be shown by an authorization graph.
Explain briefly concurrent task by taking an example. Concurrent Task- The concurrent occurrence of more than one event is called concurrent task. Operating systems can handl
Ask questioYou are the database administrator in a university. You have been tasked to come up with a new database for the University. Using the stages in Database Life Cycle come
Aggregate functions Some of these functions are min, count, max, and avg. These functions help in getting consolidated information from a set of tuples. Example:
how to solve the C type problems?
What are composite attributes? Composite attributes can be separated in to sub parts.
tell me the functionality,advantages and disadvantages of student database
What are the types of storage devices? Primary storage Secondary storage Tertiary storage Volatile storage Nonvolatile storage
FDs in Entities : Student entity : Enrolment number → Student name, Address Course Entity :
Describe logical data independence ? Logical Data Independence - It is the capacity to modify the conceptual schema without having to change external schemas or application p
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