Explain what is the metadata extension?
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wht is degenerated dimension ?it's uses?
Which kind of index is preferred in DWH?
What is surrogate key? Where we use it?
What is MODEL is Data mining world?
What is drilling across?
What is Cognos script editor?
How to allow a dynamic selection of a column for a measure in a chart,without using variable?
If I have table T1 and table T2 T1 has 250 cols and 10,000 rows T2 has 2 billion rows and 10 cols Which one would be Fact table and which one would be Dimension table and why ?
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What are the different types of scd's used in data warehousing?
What is a source qualifier?
How can we acheive correlated sub-query in designer?can anyone help me in this regard?
What is core dimension?