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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, CUBRID, DB2, FIREBIRD, H2, HANA, HSQLDB, INFORMIX, MARIADB, MEMSQL, MYSQL, ORACLE, 
-- POSTGRES, REDSHIFT, SQLITE, TERADATA, VERTICA
round(1.7)

-- ASE, INGRES, SQLDATAWAREHOUSE, SQLSERVER, SYBASE
round(1.7, 0)

-- COCKROACHDB
round(CAST(1.7 AS numeric))

-- DERBY
CASE WHEN (1.7 - floor(1.7)) < 0.5 THEN floor(1.7) ELSE ceil(1.7) END

(These are currently generated with jOOQ 3.15, see #10141)

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