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.
Give a brief introduction of the term non-additive facts?
Illustrate the term data mart. What do you mean by it?
Describe briefly the four JDBC driver types which Sun defines?
Explain the term Job parameters?
Illustrates the term normalization?
What are the catches?
What is significance of “ * ” ?
What are true statements regarding implicit cursors?
What the difference between sequential file stage and hashed file stage is in relates to DataStage Server?
Write a brief note on the differences between a data warehouse and data mart?
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