Explain what are the basic needs to join two sources in a source qualifier?
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What are the advantages and disadvantages of reporting directly against the database?
What are situations where snowflake schema is better than star schema when the opposite is true?
What is data analysis? Where it will be used?
how do you use commit frequencies? how does it affect loading performance?
What is a Data Cube?
Which columns go to the fact table and which columns go the dimension table?
What is the advantages data mining over traditional approaches?
What are the mapping paramaters and maping variables?
Why null values are mapped as 0 in fact tables?
what is difference between Independent Data Mart Dependent Data Mart 1- 1- 2- 2- 3- 3- 4- 4-
What are templates in which way it is help full?
Explain multivalued dependency?