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ROW_NUMBER
Applies to ✅ Open Source Edition ✅ Express Edition ✅ Professional Edition ✅ Enterprise Edition
ROW_NUMBER assigns a series of unique, consecutive numbers to each row in the partition.
SELECT LANGUAGE_ID, row_number() OVER (ORDER BY LANGUAGE_ID) FROM BOOK;
create.select(
BOOK.LANGUAGE_ID,
rowNumber().over(orderBy(BOOK.LANGUAGE_ID)))
.from(BOOK)
.fetch();
Producing:
+-------------+------------+ | language_id | row_number | +-------------+------------+ | 1 | 1 | | 1 | 2 | | 2 | 3 | | 4 | 4 | +-------------+------------+
See this article for a comparison betweenROW_NUMBER,RANK, andDENSE_RANK
Dialect support
This example using jOOQ:
rowNumber().over(orderBy(BOOK.ID))
Translates to the following dialect specific expressions:
Aurora Postgres, BigQuery, ClickHouse, CockroachDB, DB2, DuckDB, Exasol, Firebird, H2, Hana, Informix, MariaDB, MemSQL, MySQL, Oracle, Postgres, Redshift, SQLDataWarehouse, SQLServer, SQLite, Snowflake, Sybase, Teradata, Trino, Vertica, YugabyteDB
row_number() OVER (ORDER BY BOOK.ID)
ASE, Access, Aurora MySQL, Derby, HSQLDB
/* UNSUPPORTED */
Generated with jOOQ 3.20. Translate your own SQL on our website
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