Reasons to randomly sample records from a sql table, Other Subject

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Reasons to randomly sample records from a sql table

Question:

From a SQL table or query, randomly select 10% of the rows. Hint: Most SQL implementations have a random() function that provides a uniform random number between 0 and 1.

Discuss possible reasons to randomly sample records from a SQL table.

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Other Subject: Reasons to randomly sample records from a sql table

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