teradata analytic functions

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Oracle Analytic functions

. No groupingExplain:Sequencing has continuity: Dense_rank () Over (Order by column), for example: 1, 2, 2, 3, 3, 3, 4Sort without continuity: rank () Over (Order by column), for example: 1, 2, 2, 4, 4, 4, 4, 8Query a subject for all student grades, from high to Low: note: The order by default is sorted in ascending order, and Desc is descending from high to lowDense_rank () Over (Order by column):Select Over (orderbydesc) Ranknum,s.studentid,s.score from S_score S where = ' A ';  Rank () Over

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