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ROUND

Applies to ✅ Open Source Edition   ✅ Express Edition   ✅ Professional Edition   ✅ Enterprise Edition

The ROUND() function rounds a numeric value to its nearest integer, or optionally, to the nearest decimal precision.

SELECT
  round(1.7),
  round(-1.7);
create.select(
  round(1.7),
  round(-1.7)).fetch();

The result being

+-------+-------+
| round | round |
+-------+-------+
|     2 |    -2 |
+-------+-------+

Dialect support

This example using jOOQ:

round(1.7)

Translates to the following dialect specific expressions:

Access, Aurora MySQL, Aurora Postgres, BigQuery, DB2, DuckDB, Exasol, Firebird, HSQLDB, Hana, Informix, MariaDB, MemSQL, MySQL, Oracle, Postgres, Redshift, SQLite, Snowflake, Teradata, Trino, Vertica, YugabyteDB

round(1.7E0)

ASE, SQLDataWarehouse, SQLServer, Sybase

round(1.7E0, 0)

CockroachDB

round(CAST(CAST(1.7E0 AS double precision) AS numeric))

Derby

CASE
  WHEN (1.7E0 - floor(1.7E0)) < 5E-1 THEN floor(1.7E0)
  ELSE ceil(1.7E0)
END

H2

round(CAST(1.7E0 AS double))

(These are currently generated with jOOQ 3.20, see #10141), or translate your own on our website

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