Returns the rank of the current row within its partition and ordering. Rows that are equal will have the same rank.
DENSE_RANK() OVER ( [PARTITION BY partition_expression][ORDER BY order_expression]) → bigint
- partition_expression (optional): An optional expression that groups rows into partitions.
- order_expression: An optional expression that specifies the order of the rows within each partition.
PARTITION BY "Category"
ORDER BY "DayOfWeek")
-- Category, Descript, DayOfWeek, EXPR$3
-- ARSON, ARSON, Friday, 1
-- ARSON, ARSON, Monday, 2