What is the data type of the surrogate key?
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After the complete generation of a report who will test the report and who will analyze it?
Suppose if a session fails after loading of 10,000 records in to the target.how can you load the records from 10001 the record when you run the session next time?
Explain functional dependency?
What is factless fact tables?
Explain datawarehousing?
What is metadata in context of a datawarehouse and how it is important?
Suppose we have some 10,000 odd records in source system and when load them into target.how do we ensure that all 10,000 records that are loaded to target doesnt contain any garbage values?
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
Which are the olap tools available that are supported by oracle?
What is an er diagram?
What is a real-time data warehouse? How is it different from near to real-time data warehouse?
What is the very basic difference between data warehouse and operational databases?