How can we do data cleaning?
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What is vldb(very large databases)?
What is difference between a connected look up and unconnected look up?
Where the applications and where
Explain what is type 2 version dimension?
Which one among Star and snowflake schemas will occupy more space?
Is it possible to have more than one row on the same table with the same foreign key?
What is an OLAP (On-line Analytical processing) system?
Tell me what is degree of a relation?
for data loading in oracle, what are conventional loading , what are conventional loading and direct-path loading?
What is Time Series algorithm in data mining?
In a star schema, are foreign key constraints between facts and dimensions neccessary?
What function should we use to display the value entered or selected by a user in response to a prompt?