Uses of data cube
Briefly describe the employed of data cube?
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Data cube is a multi-dimensional structure. Data cube is a data pensiveness to view aggregated data from a numeral of viewpoints. The dimensions are aggregated as the ‘measure’ attribute, as the residual dimensions are named as the ‘feature’ attributes.
Data is viewed on a cube in a multi-dimensional style. The summarized and aggregated facts of variables or attributes can be viewed. This is the prerequisite where OLAP performs a role.
Name the methods that are available in storing sequential files?
hatcher also created the accompanying Level 1 data flow diagram for this process. Unfortunately, this DFD has numerous syntax and semantic errors. Identify the errors. Redraw the DFD to more correctly represent the receive supplier shipments process.
define types of transaction failures and also what is meant by catastrophic failure?
Specify the types of the tracing level?
Which technique is used in the BCA?
Write down the snapshot with reference to data warehouse?
Write out the disadvantages of using the Alias?
Write down the importance for using repository connectivity?
Explain about the Active and Passive Stage?
Explain the Hash file and the Sequential File?
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