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what is a candidate row in SQL?

What is a candidate row when talking about Oracle and SQL? Using it in a sentence 开发者_StackOverflow中文版would be as such:

"The candidate row is fetched from the table specified in the outer query."


A candidate row is a row from a table or subquery that could potentially be returned in the result set. To actually be returned it must satisfiy the WHERE and JOIN conditions.

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