What a static and local variable?
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Explain in detail abt measure objects? And what is the use of it? How to create it?
explain the ROLLUP, CUBE, RANK AND DENSE_RANK FUNCTIONS OF ORACLE 8I
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What is data analysis? Where it will be used?
Explain grouped cross tab?
Explain er diagram?
explain about balanced dimension,
What is the difference between olap and oltp?
Explain a mapping, session, worklet, workflow, mapplet?
What are the different types of fact tables used in data warehousing?
Explain piconet?
What is data merging, data cleansing and sampling?
What is the limit to the number of sources and targets you can have in a mapping?