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State The position of object at any moment is called state. An object can have many states depend upon time. After receiving some input instructions, the object can change its
Derived horizontal fragmentation: Some applications may include a join of two or more relations. If the relations are stored at dissimilar locations, there may be a major overhead
Association as a cache This association must be updated when any new element is added to it, but testing for overlap using association is more efficient. Figure:
How to create values of structured type? Constructor functions are used to make values of structured types. A function with the similar name as a structured type is a construct
The users who use easy-to-use menu are called ? The users who use easy to use menu are called as Naïve users.
a project based on normalization with first, second and third normalization. There need to be a diagram also
Although how will the system recover The selection of REDO or UNDO for a transaction for the recovery is completed on the basis of the state of the transactions. This state is
Question 1 What is data mining? Write Data Mining applications Question 2 What is OLAP? Write the benefits of OLAP Question 3 What is Business Intelligence? Explai
Fifth Normal Form (5NF) These relations still have a difficulty. While defining the 4NF we mentioned that all the attributes depend upon each other. Whereas creating the two ta
Shared lock or Read Lock It is requested by a transaction that needs to just read the value of data item. A shared lock on a data item does not permit an exclusive lock
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