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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.
What are different normalization forms? 1NF: Eliminate Repeating Groups Make a separate table for every set of related attributes, and give each table a primary key. Each fie
What are the properties of electronic cash? Properties: 1. Monetary Value: Monetary value should be backed by bank certified cashier’s cheque or cash, bank authorized cred
Q. Computational Fluid Dynamics? Computational Fluid Dynamics: CFD was a FORTRAN like language developed in the early 70s at "Computational Fluid Dynamics Branch of Ames Resear
what is the basic diff between mbr and mdr
And-Introduction: In generally English says that "if we know that a lot of things are true, so we know that the conjunction of all of them is true", then we can introduce conj
What is an interpreted languages In interpreted languages, the instructions are implemented immediately after parsing. Both tasks are done by the interpreter. The code is sav
In LDB what determines hierarchy of the tables? Structure
explan volage triper and voltage quadrupler.
When can a user program execution be interrupted? It won't be desirable to interrupt a program when an instruction is being executed and is in a state such as instruction decod
5-pin DIN connector: It is the connector of conventional keyboard which have 5 pins (2 IN, 2 OUT and one ground pin) used for transfer and synchronization.
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