Explain reference cursor?
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Explain what is difference between query studio and report studio?
Can we start and stop single session in concurent bstch?
What is data warehosuing hierarchy?
How to handle multi value dimensions?
What is source qualifier?
What are CUBES?
if we increase the number of dimensions will the rows in fact table increase or decrease??
Explain what is data validation strategies for data mart validation after loading process?
Advantages of de normalized data?
What is the main difference between schema in rdbms and schemas in datawarehouse?
Explain differences between star and snowflake schemas?
Name a few sectors which use data warehousing?