TCS Interview Questions: what is view in SQL and dense and dense rank

Asked inTCS,Data Engineer

what is view in SQL and dense and dense rank

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View is a virtual table created from a SQL query. Dense rank assigns a unique rank to each row in a result set.

A view is a saved SQL query that can be used as a table
Dense rank assigns a unique rank t...read more

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what is view in SQL and dense and dense rank

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