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OLAP can process difficult queries and give the output in less than 0.1 seconds, for it to achieve like performance OLAP uses aggregations. Aggregations are built by aggregating and changing the data with the dimensions. Possible combination of aggregations can be determined by the combination possibilities of dimension granularities.
Define external layer? The external layer is the plane at which the user sees and interacts with the data, that is, the data format in the user interface. This data format is
What are the advantages of using structure in C Program Declaring a struct is a two-stage process. The first stage defines a new data type that has the required structure which
(a) What do you meant by an Expert System (ES) and explain briefly the essential differences between a Decision Support system and ES. (b) What are decision tables and what are
Explain Busy tone in strowger telephony. Busy tone pattern is demonstrated in figure. This is a bursty 400 Hz signal with silence era in between. The burst and silence durati
Q. What is Functions of Input - Output Interface? An I/O interface is bridge between processor and I/O devices. It controls data exchange between external devices and main mem
what is cardinality ratio?
What is dynamic memory allocation? The mechanism of allocating needs amount of memory at run time is known as dynamic allocation of memory. Sometimes it is needed to allocate m
What is Branch prediction logic Branch prediction logic in Pentium: Pentium microprocessor uses branch prediction logic to decrease the time needed for a branch caused by in
Q. Why are binary, octal and hexadecimal used for computer applications? Q. Perform the following: (189.3) 10 = (?) 2
Write the truth table for a clocked J-K flip-flop that is triggered by the positive-going edge of the clock signal. Explain the operation of this flip-flop for the following condit
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