sql 有关如何使用row_number和rank的示例

Posted 2021-05-13

SELECT
  ROW_NUMBER() OVER (ORDER BY ct_id) AS row_num,
  ROW_NUMBER() OVER (PARTITION BY source_id ORDER BY ct_id) AS partitioned_row_num,
  RANK() OVER (ORDER BY ct_id) AS row_num,
  RANK() OVER (PARTITION BY source_id ORDER BY ct_id) AS partitioned_row_num
FROM
  ct_pstor