Explain difference between e-r modeling and dimentional modeling?
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Which one among Star and snowflake schemas will occupy more space?
What is partitioning? What are the types of partitioning?
what is query optimizer? what are different types of optimizer s supported by oracle ?
What is conformed fact?
How can we determine what records to extract?
Explain the definition of normalized and denormalized view?
Explain some of modeling tools available in the market?
what are the major three types of modeling used?
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What is recovering sessions?
What is ETL process in Data warehousing?
What is the difference between Datawarehouse and OLAP?
What is a Data Cube?