In article <[EMAIL PROTECTED]>,
Henry Chang <[EMAIL PROTECTED]> writes:
> Hello everyone,
> I have a table where measurement values are collected in mulitple columns.
> Table Schema
> ==
> ID, measurement_01, measurement_02, measurement_03
> ===
select max(greatest(measurement_01, measurement_02, measurement_03))
from table
select min(least(measurement_01, measurement_02, measurement_03)) from table
Henry Chang wrote:
Hello everyone,
I have a table where measurement values are collected in mulitple columns.
Table Schema
==
Henry,
>My question is that for each row, what's the sql query that determine the
>max value and the min value from all the columns??
SELECT ...
GREATEST(col1,col2,...),
///
PB
-
Henry Chang wrote:
Hello everyone,
I have a table where measurement values are collected in mulitple c
Hello everyone,
I have a table where measurement values are collected in mulitple columns.
Table Schema
==
ID, measurement_01, measurement_02, measurement_03
==
1, 300, 350, 325(max is 350, min is 300)
2, 225, 275