How to join 3 database like flat file, oracle, db2 in informatrica?
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Suppose date is 05sep2005; I want the output like 05sep2005:00:00:00 ; how it will come?
What are the difference between snow flake and star schema? What are situations where snow flake schema is better than star schema to use and when the oppositeis true?
Whether dimension table can have numeric value?
What is hash partition?
What are data modeling and data mining? Where it will be used?
Where do we use semi and non additive facts?
Tell me what is degree of a relation?
What is hybrid slowly changing dimension?
1.WHAT IS DATA MART ?
How do you setup Lo-cockpit?
Explain er diagram?
suppose data are coming from different locations and those data will not change . is there any need to use surrogate key ?