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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 handle concurrent tasks capably. The Air Traffic Control system (ATC) for examples, can manage simultaneous tasks in fractions of a second.
Deletion Anomalies: Loss of important Information: In some cases, useful information may be lost when a tuple is deleted. For instance, if we delete the tuple corresponding to stu
What is Derived and stored Attribute? Derived and Stored Attribute - In a few cases, two or more attribute values are associated, for example, Age and BirthDate attributes of a
what is bogus empowerment. And what is genuine empowerment
external view of DBMS in healthcare department?
I have a small project that contains 3 deliverable s. I have done the first one and I would like you to help me with second one
Q. Explain data aggregatio n and discuss different design constraints. Sol. Aggregation One limitation of the E-R model is that it cannot express relationships amon
What is Normalization? Database normalization is a data design and organization method applied to data structures based on rules that help building relational databases. In rel
Normalize the given relation to 3NF, justifying each step
Clustering Indexes It may be an excellent idea to keep data of the students in the order of the programme they have registered as most of the data file accesses may need studen
In an E-R diagram how attributes are represented ? In an E-R diagram attributes are represented in a ellipse.
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