explain the methodology of Data Warehousing?(Polaries)
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What are the different etl testing categories as per their function?
What is the difference between Data Warehousing and Data Mining?
what is the difference between normal & bulk loading? and which one is recommended ? why?
what is different between sequential batch and concurrent batch and which is recommended and why?
What is full load & incremental or refresh load?
In informatica, I have 10 records in my source system. I need to load 2 records to target for each run. How do I do this?
how to join two tables without using joiner transformation .advantages of joiner over lookup and vice versa.
how do u really know that paging to disk is happening while u are using a lookup transform?
what is the difference between shortcut of an object and copy of an object? compare them?
What are the names of the layers in etl?
what is session partitioning?
Can there be sub steps of etl steps?