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The data of a view is not physically stored, but derived from one or more tables. True the data of a view is not physically stored
a set of possible data value of an attribute is called??
composite attribute
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
how oracle can be used
Vertical Fragmentation- Vertical fragmentation groups together only those attributes in a relation that are used jointly by various important transactions. A vertical fragment is d
What is trigger? Triggers are statements that are executed automatically by the system as the side effect of a modification to the database.
State the meaning of Object Representation The term object representation means "to represent object with the help of objects model symbols". Implementing objects is too simp
There are many simple and complex approaches to implement. These reports are based on some views or certain query. The following number of reports can be built. 1. The averag
Prepare a data flow diagram for computing the volume and surface area of a cylinder. Inputs are the height and radius of the cylinder. Outputs are the volume and surface area of th
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