row operatorsthe row operators return or, PL-SQL Programming

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row operatorsthe row operators return or

Row Operators

The Row operators return or reference the particular rows. ALL retains the duplicate rows in the result of a query or in an aggregate expression. The DISTINCT eliminate duplicate the rows from the result of a query or from an aggregate expression. The PRIOR refers to the parent row of the present row returned by a tree-structured query.

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