Explain what are the methodologies of data warehousing?
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what is Materialized Views?
What are data modeling and data mining? Where it will be used?
Suppose you are filtering the rows using a filter transformation only the rows meet the condition pass to the target. Tell me where the rows will go that does not meet the condition 333 after we create a scd table, can we use that particular dimension as a dimension table for star schema?
Explain hybrid slowly changing dimension?
a perceptron has two inputs x1,x2 wih weights w1,w2and bias weight of w0. the activation function of perceptron is h(x).the output of perceptron
How to design file watch jobs?
What is the difference between OLAP, ROLAP, MOLAP and HOLAP?
How can you set the client management?
What is the difference between er modeling and dimensional modeling?
Difference between ODS and Staging
Explain where do we use semi and non additive facts?
How to improve session performance in aggregator transformation?