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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.
Explain the Cascadeless Schedule A cascadeless schedule is one in which for every pair of transactions Ti and Tj like that Tj reads a data item before written by Ti, the commit
I need help with data warehousing and business intelligence course project about designing a data warehouse for a jewelry company that does not have one
how many hourse have been spent on a certain project
What is Specialization? Specialization: Specialization permits you to describe new types of information (new structural types or latest domains of information), although reusin
What is the meaning of Data independence? Data independence means a programs that are not dependent on the physical attributes of data and a programs that are not dependent on
For the relations R and S given below: R S A B C 1 4 7 2 5 8 3 6 9
Explain weak and strong entity type ? Weak and Strong entity type: An entity set which does not have a primary key is referred to as a weak entity set. The existence of a wea
What is the main advantage of the object model? What are its different components? The object model focuses on the logical data structures. Each object model comprises of many
deffine class&object
Construct a clean ans concise ER diagram for the database indicating the cardinality mapping for Employee management syatem
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