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CUME_DIST
Applies to ✅ Open Source Edition ✅ Express Edition ✅ Professional Edition ✅ Enterprise Edition
The CUME_DIST() hypothetical set function calculates the cumulative distribution of the hypothetical value, i.e. the relative rank from 1/N to 1 (PERCENT_RANK produces values from 0 to 1)
SELECT cume_dist(0) WITHIN GROUP (ORDER BY ID), cume_dist(2) WITHIN GROUP (ORDER BY ID), cume_dist(4) WITHIN GROUP (ORDER BY ID) FROM BOOK
create.select(
cumeDist(val(0)).withinGroupOrderBy(BOOK.ID),
cumeDist(val(2)).withinGroupOrderBy(BOOK.ID),
cumeDist(val(4)).withinGroupOrderBy(BOOK.ID))
.from(BOOK)
Producing:
+--------------+--------------+--------------+ | cume_dist(0) | cume_dist(2) | cume_dist(4) | +--------------+--------------+--------------+ | 0.2 | 0.6 | 1.0 | +--------------+--------------+--------------+
Dialect support
This example using jOOQ:
cumeDist(val(0)).withinGroupOrderBy(BOOK.ID)
Translates to the following dialect specific expressions:
Aurora Postgres, H2, Oracle, Postgres, YugabyteDB
cume_dist(0) WITHIN GROUP (ORDER BY BOOK.ID)
ASE, Access, Aurora MySQL, BigQuery, ClickHouse, CockroachDB, DB2, Derby, DuckDB, Exasol, Firebird, HSQLDB, Hana, Informix, MariaDB, MemSQL, MySQL, Redshift, SQLDataWarehouse, SQLServer, SQLite, Snowflake, Sybase, Teradata, Trino, Vertica
/* UNSUPPORTED */
Generated with jOOQ 3.20. Translate your own SQL on our website
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