+------------+---------+
| name       | value   |
+------------+---------+
| parameter1 | 53.8462 |
| parameter2 | 7.6923  |
| parameter3 | 23.0769 |
| parameter4 | 15.3846 |
+------------+---------+

WITH OrderedRows AS
(
    SELECT name, value,
    ROW_NUMBER() OVER (ORDER BY name) AS 'RowNumber'
    FROM table
)
SELECT sum(value)
FROM OrderedRows
WHERE RowNumber > 1;

SELECT SUM(value) tot
FROM table
WHERE name='parameter2' OR name='parameter3' OR name='parameter4'

SELECT SUM(value) tot
FROM table
WHERE name<>'parameter1'

select sum(value) from values where name!='parameter1';

SELECT SUM(value) tot
FROM table
WHERE name<>'parameter1'

SELECT SUM(coalesce(value, 0)) your_total
FROM table
WHERE coalesce(name, '') <> 'parameter1'