What is data cleaning? How can we do that?
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What is the difference between narmal load and bulk load?
Explain what are non-additive facts in detail?
Explain is olap databases are called decision support system true/false?
What are the advantages and disadvantages of reporting directly against the database?
What is a real-time data warehouse? How is it different from near to real-time data warehouse?
what is the difference between etl tool and olap tools
What is a fact table?
In general, how many Fact & Dimension tables are present in a Banking Data warehouse project ?
What is the difference between snowflake and star schema? What are situations where snowflake schema is better than star schema when the opposite is true?
Explain the definition of normalized and denormalized view and what are the differences between them?
Explain what are the steps to build the data warehouse?
What are different stages of ?Data mining??