GREATEST
Syntax
GREATEST( value_1, value_2, value_3 [ , ... ] )
Description
Returns the greatest value.
See also LEAST.
Depending on the specified data type, it returns:
- The greatest number.
- The last string in alphabetical order.
- The latest date.
TRUE
when selecting betweenTRUE
andFALSE
for Boolean type.
Argument types:
value_1
—Boolean | Date | Datetime | Fractional number | Integer | String
value_2
—Boolean | Date | Datetime | Fractional number | Integer | String
value_3
—Boolean | Date | Datetime | Fractional number | Integer | String
Return type: Same type as (value_1
, value_2
, value_3
)
Note
Arguments (value_1
, value_2
, value_3
) must be of the same type.
Examples
GREATEST(3.4, 2.6) = 3.4
GREATEST("3.4", "2.6") = "3.4"
GREATEST(#2019-01-02#, #2019-01-17#) = #2019-01-17#
GREATEST(#2019-01-02 04:03:02#, #2019-01-17 03:02:01#) = #2019-01-17 03:02:01#
GREATEST(TRUE, FALSE) = TRUE
GREATEST(34, 5, 7, 3, 99, 1, 2, 2, 56) = 99
GREATEST(5.6, 1.2, 7.8, 3.4) = 7.8
GREATEST(#2019-01-02#, #2019-01-17#, #2019-01-10#) = #2019-01-17#
Data source support
ClickHouse 21.8
, Microsoft SQL Server 2017 (14.0)
, MySQL 5.7
, Oracle Database 12c (12.1)
, PostgreSQL 9.3
, YDB
.