What is the difference between mapping parameter & mapping variable in data warehousing?
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What is factless fact schema?
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
Explain difference between e-r modeling and dimentional modeling?
What are the difference between snow flake and star schema?
What is hybrid slowly changing dimension?
What are the different types of schemas used in data warehousing?
Explain what is the limit to the number of sources and targets you can have in a mapping?
Explain what is metadata reporter?
Give some difference between oltp and olap.
What are the main steps to build the data warehouse?
Explain what are conformed dimensions?
Start a batches with in a batch?