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Version: current [25.0.x]

DENSE_RANK

Categories: Window

DENSE_RANK

Returns the rank of the current row within its partition and ordering. Rows that are equal will have the same rank.

Syntax​

DENSE_RANK() OVER ( [PARTITION BY partition_expression][ORDER BY order_expression]) → bigint​

  • partition_expression (optional): An expression that groups rows into partitions.
  • order_expression: An expression that specifies the order of the rows within each partition.

Examples

DENSE_RANK example
SELECT "Category", 
  "Descript", 
  "DayOfWeek",
  DENSE_RANK() 
    OVER (
      PARTITION BY "Category" 
      ORDER BY "DayOfWeek")
FROM Samples."samples.dremio.com"."SF_incidents2016.json"
-- Category, Descript, DayOfWeek, EXPR$3
-- ARSON, ARSON, Friday, 1
-- ARSON, ARSON, Monday, 2