Explain what are the vaious etl tools in the market?
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What is source qualifier?
What are data modeling and data mining?
Explain the difference between keylokup and joiner?
Are facts same as metrics and dimensions same as measures? If not , please tell the difference?
What are data modeling and data mining? Where it will be used?
What is power play plug in?
How to create diff. Types of templates?
What are situations where snowflake schema is better than star schema when the opposite is true?
What is called dimensional modelling?
Why null values are mapped as 0 in fact tables?
How to calculate fact table granularity?
How to join 3 database like flat file, oracle, db2 in informatrica?